G.W. Prescott -- Iowa Algae
Taxa in italics are ones not reported for Iowa by Prescott. Names of authors follow, where possible, Brummit & Powell 1992 and later addenda to that database. The original printing of corrected information is given in square brackets.
Acanthosphaera zachariasi Lemmerm. p. 57 Pl. XI, fig. 7
Actinastrum gracillimum G.M.Sm. p. 70 Pl. XIII, fig. 18-19
Actinastrum hantzschii Lagerh. p. 70 Pl. XIII, fig. 14
Actinastrum hantzschii var. fluviatile Lemmerm. p. 70
Anabaena affinis Lemmerm. p. 36
Anabaena augustumalis Schmidle p. 36
Anabaena augustumalis var. marchia Lemmerm. p. 36 Pl. IV, fig. 4-5
Anabaena bornetiana Collins p. 37
Anabaena circinalis Rabenh. p. 37 Pl. IV, fig. 6
Anabaena cycadeae Reinke p. 37 Pl. V, fig. 7
Anabaena flos-aquae (Lyngb.) Bréb. Pl. IV, fig. 7, 12
Anabaena flos-aquae var. treleasii Bornet & Flahault p. 37
Anabaena hallensis Jancz. p. 37
Anabaena inaequalis (Kütz.) Bornet & Flahault p. 37
Anabaena lemmermanni P.G.Richt. p. 37
Anabaena levanderi Lemmerm. p. 37
Anabaena limnetica G.M.Sm. p. 38
Anabaena oscillatorioides Bory p. 38
Anabaena planctonica Brunnth. p. 38
Anabaena spiroides Kleb. p. 38
Anabaena spiroides var. crassa Lemmerm. p. 38 Pl. IV, fig. 8
Anabaena torulosa (Carmich.) Lagerh. p. 38
Anabaena (?) variabilis Kütz. p. 38
Anisonema acinus Dujard. p. 148
Anisonema ludibundum S. K. p. 148
Anisonema truncatum F.Stein p. 148
Ankistrodesmus convolutus Corda [epithet given as convoluta] p. 70
Ankistrodemus falcatus (Corda) Ralfs p. 70
Ankistrodemus falcatus var. acicularis (A.Braun) G.S.West p. 70 Pl. XV, fig. 8
Ankistrodemus falcatus var. mirabilis (West & G.S.West) G.S.West p. 70 Pl. XV, fig. 4
Ankistrodemus falcatus var. spirilliformis G.S.West p. 70
Ankistrodesmus setigerus (Schröd.) G.S.West = Schroederia setigera (Schröd.) Lemmerm. p. 78
Ankistrodemus spiralis (W.B.Turner) Lemmerm. p. 71 Pl. XV, fig. 6-7
Aphanizomenon flos-aquae (L.) Ralfs p. 38 Pl. V, fig. 1
Aphanocapsa delicatissima West & G.S.West p. 24 Pl. I, fig. 1
Aphanocapsa elachista West & G.S.West p. 24 Pl. I, fig. 2
Aphanocapsa elachista var. conferta West & G.S.West p. 24
Aphanocapsa elachista var. planctonica G.M.Sm. p. 24
Aphanocapsa grevillei (Hassall) Rabenh. p. 24
Aphanocapsa rivularis (Carmich.) Rabenh. p. 25 Pl. I, fig. 3
Aphanocapsa zanardinii (Hauck) Hansg. p. 25 Pl. I, fig. 4
Aphanochaete hyalothecae (Hansg.) Schmidle [epithet given as hyalotheca in plate caption] p. 87 Pl. XXI, fig. 2
Aphanochaete repens A.Braun [author given as Berthold] p. 87 Pl. XXI, fig. 1
Aphanochaete vermiculoides Wolle p. 87 Pl. XXI, fig. 3
Aphanothece clathrata West & G.S.West p. 25 Pl. I, fig. 6
Aphanothece pallida (Kütz.) Rabenh. p. 25 Pl. I., fig. 5
Apiocystis brauniana Nägeli p. 51 Pl. VIII, fig. 9
Arthrodesmus convergens Ehrenb. p. 113 Pl. XXXI, fig. 4
Arthrodesmus incus (Bréb.) Hassall p. 113
Arthrodesmus incus var. extensus O.F.Andersson p. 113 Pl. XXXI, fig. 5, 5a
Arthrodesmus octocornis Ehrenb. p. 114 Pl. XXXI, fig. 6
Arthrodesmus triangularis Lagerh. p. 114
Arthrodesmus triangularis var. inflatus West & G.S.West p. 114 Pl. XXXI, fig. 7
Arthrospira jenneri Stizenb. p. 30 Pl. II, fig. 8
Astasia tricophora Ehrenb. [epithet given as trichophora] p. 149
Binuclearia tatrana Wittr. p. 80 Pl. XVII, fig. 15-17
Botrydium granulatum (L.) Grev. p. 48 Pl. VIII, fig. 8
Botryococcus braunii Kütz. p. 47 Pl. VII, fig. 1
Bulbochaete congener Hirn p. 94 Pl. XXIX, fig. 21
Bulbochaete gigantea Pringsh. p. 94 Pl. XXIX, fig. 20
Bulbochaete intermedia de Bary p. 94 Pl. XXIX, fig. 18
Bulbochaete intermedia var. depressa Wittr. p. 94
Bulbochaete minor A.Braun p. 94
Bulbochaete varians Wittr. p. 95
Bulbochaete varians var. subsimplex (Wittr.) Hirn p. 95 Pl. XXIX, fig. 19
Calothrix braunii Bornet & Flahault p. 41 Pl. V, fig. 8
Calothrix parietina (Nägeli) Thur. p. 41
Cerasterias irregularis G.M.Sm. p. 57 Pl. XI, fig. 8
Ceratium hirundinella O.F.Müll. p. 149
Ceratium hirundinella forma carinthiacum (Zederb.) A.J.Schill. p. 150
Ceratium hirundinella forma robustum (Amberg) A.J.Schill. p. 150
Chaetomorpha chelonum Collins p. 89 Pl. XXII, fig. 7-8
Chaetopeltis americana (J.Snow) Collins [author given as J.Snow alone] p. 84 Pl. XIX, fig. 1-2
Chaetophora elegans (Roth) C.Agardh p. 84 Pl. XIX, fig. 3-5
Chaetophora incrassata (Huds.) Hazen p. 84 Pl. XIX, fig. 6
Chaetophora monilifera Kütz. p. 84
Chaetophora pisciformis (Roth) C.Agardh p. 84
Chaetosphaeridium globosum (Nordst.) Kleb. p. 85 Pl. XIX, fig. 7
Chamaesiphon incrustans Grunow p. 29 Pl. II, fig. 7
Chara braunii C.C.Gmel. p. 141
Chara contraria A.Braun p. 141
Chara formosa C.B.Rob. p. 141
Chara fragilis Desv. p. 141
Chara inconnexa Allen p. 141 Pl. XXXVII (all figures)
Chara longifolia C.B.Rob. p. 141
Chara vulgaris L. p. 141
Characiopsis naegelii (A.Braun) Lemmerm. p. 46 Pl. IX, fig. 6
Characiopsis tuba Lemmerm. p. 46 Pl. IX, fig. 9
Characium braunii Brügger p. 53 Pl. IX, fig. 4
Characium curvatum G.M.Sm. p. 53 Pl. IX, fig. 10
Characium gracilipes F.D.Lamb. [epithet misspelled gracillipes] p. 53 Pl. IX, fig. 5
Characium limneticum Lemmerm. (?) p. 53 Pl. IX, fig. 8
Characium naegeli A.Braun = Characiopsis naegeli (A.Braun) Lemmerm. p. 46
Characium pringsheimii A.Braun p. 53 Pl. IX, fig. 7
Characium stipitatum (H.Bachm.) Wille [combining author given in error as Wolle] p. 53
Characium tuba J.Herm. = Characiopsis tuba Lemmerm. p. 46
Chilomonas paramaecium Ehrenb. p. 142
Chlamydomonas anglica Pascher p. 50
Chlamydomonas debaryana Gorozh. p. 50
Chlamydomonas dinobryoni G.M.Sm. [epithet given as dinobryonii] p. 50
Chlamydomonas ehrenbergii Gorozh. p. 50
Chlamydomonas globosa J.Snow p. 50
Chlamydomonas snowii Printz p. 50
Chlorochytrium lemnae Cohn p. 54 Pl. IX, fig. 11-12
Chlorococcum humicola (Nägeli) Rabenh. p. 54 Pl. VIII, fig. 14
Chroococcus dispersus (Keissl.) Lemmerm. p. 25
Chroococcus limneticus Lemmerm. p. 25 Pl. I, fig. 7
Chroococcus minor (Kütz.) Nägeli p. 25 Pl. I, fig. 8
Chroococcus refractus H.C.Wood p. 26 Pl. I, fig. 9
Chroococcus turgidus (Kütz.) Nägeli p. 26 Pl. I, fig. 10
Chroococcus varius A.Braun in Rabenh. p. 26
Cladophora canalicularis (Roth) Kütz. p. 89 Pl. XXIII, fig. 1
Cladophora crispata (Roth) Kütz. p. 89
Cladophora fracta (Dillwyn) Kütz. p. 89 Pl. XXIII, fig. 2
Cladophora fracta var. gossypina (Kütz.) Rabenh. p. 89
Cladophora fracta forma rigidula (Kütz.) Rabenh. p. 90 (check name)
Cladophora glomerata (L.) Kütz. p. 90 Pl. XXIII, fig. 3 [not 3-4]
Cladophora glomerata sub-forma kuetzingiana Heering p. 90
Cladophora glomerata var. pumila Bailey p. 90
Cladophora glomerata forma rivularis Rabenh. p. 90 Pl. XXIII, fig. 4 [per plate caption]
Cladophora oligoclona Kütz. p. 90
Cladophora sp. [stylized] Pl. XXIV, fig. 1-2
Closteriopsis longissima Lemmerm. [epithet given as longissimum] p. 71
Closteriopsis longissima var. acicularis (Chodat) G.M.Sm. p. 71 Pl. XV, fig. 10
Closterium abruptum West p. 114
Closterium acerosum (Schrank) Ehrenb. p. 114
Closterium acerosum var. elongatum Bréb. p. 114 Pl. XXXVI, fig. 1-2
Closterium acerosum var. minus Hantzsch p. 114 Pl. XXXVI, fig. 4
Closterium calosporum Wittr. p. 114
Closterium calosporum var. brasiliense Borge p. 114
Closterium cornu Ehrenb. p. 114
Closterium costatum Corda p. 115 Pl. XXXVI, fig. 6, 6a, 6b
Closterium decorum Bréb. p. 115
Closterium dianae Ehrenb. p. 115 Pl. XXXVI, fig. 3
Closterium eboracense W.B.Turner p. 115 Pl. XXXVI, fig. 5
Closterium ehrenbergii Menegh. p. 115
Closterium gracile Bréb. p. 115 Pl. XXXVI, fig. 13
Closterium intervalicola Cushman [epithet misspelled intervolicola] p. 115
Closterium jenneri Ralfs p. 115 Pl. XXXVI, fig. 7
Closterium juncidum Ralfs p. 115
Closterium juncidum var. brevior Ralfs p. 115 Pl. XXXVI, fig. 12, 12a
Closterium kuetzingii Bréb. p. 116 Pl. XXXVI, , fig. 8, 8a
Closterium lanceolatum Kütz. p. 116
Closterium lanceolatum var. parvum West & G.S.West p. 116 Pl. XXXVI, fig. 16, 16a
Closterium laterale Nordst. p. 116 Pl. XXXVI, fig. 17
Closterium leibleinii Kütz. p. 116
Closterium lineatum Ehrenb. p. 116 Pl. XXXVI, fig. 18, 18a
Closterium lunula (O.F.Müll.) Nitzsch p. 116
Closterium lunula var. minor West & G.S.West p. 116
Closterium macilentum Bréb. p. 116
Closterium malinvernianum De Not. p. 116
Closterium moniliferum (Bory) Ehrenb. p. 117
Closterium parvulum Nägeli p. 117
Closterium parvulum var. angustum West & G.S.West p. 117
Closterium pritchardianum W.Archer p. 117 Pl. XXXVI, fig. 19, 19a
Closterium ralfsii Bréb. p. 117
Closterium ralfsii var. hybridum Rabenh. p. 117
Closterium regulare Bréb. p. 117
Closterium rostratum Ehrenb. p. 117
Closterium rostratum var. brevirostratum West p. 117
Closterium siliqua West & G.S.West p. 117
Closterium strigosum Bréb. p. 117
Closterium striolatum Ehrenb. p. 118
Closterium toxon West p. 118
Closterium venus Kütz. p. 118 Pl. XXXVI, fig. 10
Coelastrum cambricum W.Archer p. 71 Pl. XV, fig. 9
Coelastrum cornutum A.Lem. p. 71 Pl. XV, fig. 11
Coelastrum microporum Nägeli p. 71 Pl. XV, fig. 12
Coelastrum proboscideum Bohlin p. 71 Pl. XV, fig. 13
Coelastrum reticulatum (P.A.Dang.) Senn p. 72
Coelastrum sphaericum Nägeli p. 72
Coelosphaerium kuetzingianum Nägeli p. 26 Pl. I, fig. 11-12
Coelosphaerium naegelianum Unger p. 26 Pl. I, fig. 13
Coleochaete divergens Pringsh. p. 87
Coleochaete divergens var. minor Hansg. p. 87 Pl. XXI, fig. 4
Coleochaete irregularis Pringsh. p. 88 Pl. XXI, fig. 5
Coleochaete nitellarum Jost p. 88 Pl. XXI, fig. 6-7; Pl. XXII, fig. 1-2
Coleochaete orbicularis E.G.Pringsh. p. 88 Pl. XXII, fig. 3
Coleochaete pulvinata A.Braun p. 88 Pl. XXII, fig. 4
Coleochaete scutata Bréb. p. 88 Pl. XXII, fig. 5
Coleochaete soluta (Bréb.) Pringsh. p. 88 Pl. XXII, fig. 9
Cosmarium abreviatum Racib. p. 118 Pl. XXXI, fig. 8
Cosmarium amoenum Bréb. p. 118 Pl. XXXI, fig. 9
Cosmarium biretum Bréb. p. 118 Pl. XXXI, fig. 10
Cosmarium biretum var. floridense Wolle p. 118
Cosmarium biretum var. minus Hansg. p. 118
Cosmarium blyttii Wille [epithet given as blytii in plate caption] p. 118 Pl. XXXI, fig. 11
Cosmarium boeckii Wille p. 118 Pl. XXXI, fig. 12
Cosmarium botrytis Menegh. p. 119
Cosmarium botrytis var. subtumidum Wittr. p. 119 Pl. XXXI, fig. 13
Cosmarium broomei Thwaites p. 119 Pl. XXXI, fig. 14
Cosmarium circulare Reinsch p. 119 Pl. XXXI, fig. 20
Cosmarium contractum Kirchn. p. 119
Cosmarium contractum var. ellipsoideum (Elfving) West & G.S.West p. 119 Pl. XXXI, fig. 16
Cosmarium contractum var. jacobensii (R.Roy) West & G.S.West p. 119 Pl. XXXI, fig. 17
Cosmarium cucumis Corda [author given as Bréb.] p. 119 Pl. XXXI, fig. 18
Cosmarium cucurbita Bréb. p. 119 Pl. XXXI, fig. 19
Cosmarium cyathiforme West & G.S.West p. 119 Pl. XXXI, fig. 21
Cosmarium decachondrum J.Roy and Bisset p. 120
Cosmarium decachondrum var. ornatum G.S.West p. 120 Pl. XXXI, fig. 22, 22a
Cosmarium didymochondrum Nordst. p. 120 Pl. XXXII, fig. 1
Cosmarium didymoprotupsum West & G.S.West [epithet given as didymoprotusum in plate caption] p. 120 Pl. XXXII, fig. 2
Cosmarium formulosum W.E.Hoffm. p. 120
Cosmarium formulosum var. nathorstii (Boldt) West & G.S.West p. 120 Pl. XXXII, fig. 3
Cosmarium garrolense J.Roy and Bisset p. 120 Pl. XXXII, fig. 4
Cosmarium globosum Bulnh. p. 120 Pl. XXXI, fig. 15
Cosmarium granatum Bréb. p. 120 Pl. XXXII, fig. 5
Cosmarium granatum var. elongatum Nordst. p. 120
Cosmarium granatum var. subgranatum Nordst. p. 120 Pl. XXXI, fig. 23
Cosmarium hammeri Reinsch p. 121
Cosmarium hammeri var. protuberans West & G.S.West p. 121 Pl. XXXI, fig. 24, 24a
Cosmarium jenisejense Boldt p. 121
Cosmarium laeve Rabenh. p. 121
Cosmarium lundellii Delponte p. 121 Pl. XXXI, fig. 26
Cosmarium margeritiferum Menegh. p. 121
Cosmarium meneghinii Bréb. p. 121
Cosmarium meneghinii var. concinum Rabenh. p. 121
Cosmarium moniliforme (Turpin) Ralfs p. 121 Pl. XXXII, fig. 8
Cosmarium nitidulum De Not. p. 121 Pl. XXXI, fig. 25
Cosmarium norimbergense Reinsch p. 122
Cosmarium norimbergense forma depressa West & G.S.West p. 122 Pl. XXXII, fig. 6, 6a
Cosmarium notabile Bréb. p. 122 Pl. XXXII, fig. 7
Cosmarium novae-semliae Wille [epithet spelled novae-semilae] p. 122
Cosmarium novae-semliae var. sibericum Boldt p. 122 Pl. XXXII, fig. 13
Cosmarium obtusatum Schmidle p. 122 Pl. XXXII, fig. 9
Cosmarium ornatum Ralfs p. 122 Pl. XXXII, fig. 10
Cosmarium ovale Ralfs p. 122 Pl. XXXII, fig. 17
Cosmarium pachydermum P.Lundell p. 122
Cosmarium pachydermum var. aethiopicum West & G.S.West p. 122
Cosmarium polygonum (Nägeli) W.Archer p. 123 Pl. XXXII, fig. 29-30
Cosmarium portianum W.Archer p. 123 Pl. XXXII, fig. 12
Cosmarium portianum var. nephroideum Wittr. p. 123
Cosmarium protractum (Nägeli) de Bary p. 123 Pl. XXXII, fig. 14
Cosmarium protuberans P.Lundell p. 123
Cosmarium protuberans var. granulatum Wolle p. 123
Cosmarium pseudobroomei Wolle p. 123
Cosmarium punctatulum Bréb. p. 123
Cosmarium punctatulum var. subpunctulatum (Nordst.) Børgesen p. 123
Cosmarium quinarium P.Lundell p. 123
Cosmarium rectangulare Grunow p. 124
Cosmarium rectangulare var. hexagonum (Elfving) West & G.S.West p. 124 Pl. XXXII, fig. 11
Cosmarium regnesii Reinsch p. 124 Pl. XXXII, fig. 25
Cosmarium reniforme (Ralfs) W.Archer p. 124 Pl. XXXII, fig. 16
Cosmarium reniforme var. apertum West & G.S.West p. 124
Cosmarium reniforme var. compressum Nordst. p. 124
Cosmarium reniforme var. elevatum West & G.S.West p. 124
Cosmarium sexangulare P.Lundell p. 124 Pl. XXXII, fig. 15
Cosmarium smolandicum P.Lundell p. 124 Pl. XXXII, fig. 18
Cosmarium speciosum P.Lundell p. 124
Cosmarium speciosum var. rostafinskii (Gutw.) West & G.S.West p. 124
Cosmarium sphagnicolum West & G.S.West p. 125 Pl. XXXII, fig. 26
Cosmarium subcostatum Nordst. p. 125
Cosmarium subcucumis Schmidle p. 125 Pl. XXXII, fig. 24
Cosmarium subnudiceps West & G.S.West p. 125
Cosmarium subprotumidum Nordst. p. 125
Cosmarium subretusiforme West & G.S.West p. 125 Pl. XXXII, fig. 28
Cosmarium subtumidum Nordst. p. 125 Pl. XXXII, fig. 19
Cosmarium taxichondrum P.Lundell p. 125 Pl. XXXII, fig. 23
Cosmarium thwaitesii Ralfs p. 125
Cosmarium thwaitesii var. penoides G.A.Klebs p. 125
Cosmarium trachypleurum P.Lundell p. 126
Cosmarium trachypleurum var. minus Racib. p. 126 Pl. XXXII, fig. 22
Cosmarium trilobulatum Reinsch p. 126
Cosmarium turpinii Bréb. p. 126 Pl. XXXII, fig. 21
Cosmarium turpinii var. exinum West & G.S.West p. 126
Cosmarium turpinii var. podolicum Gutw. p. 126
Cosmarium undulatum Corda p. 126 Pl. XXXII, fig. 20
Cosmarium undulatum var. crenulatum (Nägeli) Wittr. p. 126
Cosmarium undulatum var. minutum Wittr. p. 126
Cosmarium venustum (Bréb.) W.Archer p. 126
Cosmarium venustum forma minor Wille p. 126 Pl. XXXII, fig. 27
Cosmarium vexatum West p. 127
Cosmocladium pusillum Hilse p. 127
Cosmocladium saxonicum de Bary p. 127 Pl. XXXIII, fig. 1
Crucigenia alternans G.M.Sm. p. 72 Pl. XV, fig. 15
Crucigenia apiculata (Lemmerm.) Schmidle [author given as Schmidle alone] p. 72 Pl. XV, fig. 14
Crucigenia divergens G.M.Sm. p. 72 Pl. XV, fig. 16
Crucigenia fenestrata G.M.Sm. p. 72
Crucigenia fenestrata var. mucronata G.M.Sm. p. 72 Pl. XV, fig. 17
Crucigenia irregularis Wille p. 72 Pl. XV, fig. 18
Crucigenia lauterbornei Schmidle p. 72 Pl. XV, fig. 20
Crucigenia quadrata C.Morren p. 73 Pl. XV, fig. 19
Crucigenia rectangularis (Nägeli) F.Gay p. 73 Pl. XV, fig. 21
Crucigenia tetrapedia (Kirchn.) West & G.S.West p. 73 Pl. XV, fig. 22
Crucigenia truncata G.M.Sm. p. 73
Cryptoglena pigra Ehrenb. p. 148
Cryptomonas erosa Ehrenb. p. 141
Cryptomonas ovata Ehrenb. p. 142
Cylindrocapsa conferta West p. 83 Pl. XVIII, fig. 7
Cylindrocapsa geminella Wolle p. 83 Pl. XVIII, fig. 8-9
Cylindrocapsa geminella var. minor Hansg. p. 83
Cylindrocystis crassa de Bary p. 112
Cylindrospermum catenatum Ralfs p. 39 Pl. IV, fig. 9-11
Cylindrospermum comatum H.C.Wood p. 39
Cylindrospermum licheniforme (Bory) Kütz. p. 39
Cylindrospermum limnicola Kütz. = Cylindrospermum minutum H.C.Wood p. 39
Cylindrospermum macrospermum Kütz. = Cylindrospermum stagnale (Kütz.) Bornet & Flahault p. 39
Cylindrospermum minutum H.C.Wood p. 39
Cylindrospermum stagnale (Kütz.) Bornet & Flahault p. 39
Debarya decussata Transeau p. 104
Desmidium aptogonum Bréb. p. 127 Pl. XXXIII, fig. 2, 2a
Desmidium baileyi (Ralfs) Nordst. p. 127
Desmidium cylindricum Grev. p. 127
Desmidium occidentale West & G.S.West p. 127 Pl. XXXIII, fig. 3, 3a
Desmidium swartzii C.Agardh p. 127
Dichotomosiphon tuberosus (A.Braun) A.Ernst [epithet given as tuberosum] p. 92 Pl. XXV, fig. 6-7
Dictyosphaerium ehrenbergianum Nägeli p. 73 Pl. XV, fig. 23
Dictyosphaerium pulchellum H.C.Wood p. 73 Pl. XV, fig. 24
Dimorphococcus cordatus Wolle p. 73 Pl. XV, fig. 25
Dimorphococcus lunatus A.Braun p. 74
Dinobryon calyciforme H.Bachm. p. 44
Dinobryon divergens O.E.Imhof p. 44
Dinobryon sertularia Ehrenb. p. 44
Dinobryon sociale Ehrenb. p. 44
Dinobryon stipitatum F.Stein p. 44
Distigma proteus Ehrenb. p. 149
Docidium baculum Bréb. p. 128 Pl. XXXIII, fig. 4
Draparnaldia glomerata (Vaucher) C.Agardh p. 85
Draparnaldia plumosa (Vaucher) C.Agardh p. 85 Pl. XIX, fig. 8, 11
Endoderma pithophorae G.S.West p. 85 Pl. XIX, fig. 9
Entosiphon sulcatum (Dujard.) F.Stein p. 148
Eremosphaera viridis de Bary p. 58 Pl. XI, fig. 9
Errerella bornhemiensis W.Conrad [epithet misspelled bornheimiensis] p. 58 Pl. XI, fig. 13
Euastrum bidentatum Nägeli p. 128 Pl. XXXIII, fig. 13
Euastrum binale (Turpin) Ehrenb. p. 128
Euastrum binale forma hians West p. 128 Pl. XXXIII, fig. 5
Euastrum crassicolle P.Lundell p. 128 Pl. XXXIII, fig. 6
Euastrum denticulatum (Kirchn.) F.Gay p. 128 Pl. XXXIII, fig. 11
Euastrum dubium Nägeli p. 128
Euastrum insulare (Wittr.) J.Roy p. 128
Euastrum veruccosum Ehrenb. p. 129 Pl. XXXIII, fig. 12
Euastrum veruccosum var. alatum Wolle p. 129
Euastrum veruccosum var. coarctatum Delponte p. 129
Euastrum veruccosum var. reductum Nordst. p. 129
Eudorina elegans Ehrenb. p. 48
Eudorina illinoisensis (Kof.) Pascher = Pleodorina illinoisensis Kof. p. 49
Euglena acus Ehrenb. p. 142
Euglena acutissima Lemmerm. p. 142
Euglena deses Ehrenb. p. 142
Euglena elongata Schew. p. 143
Euglena pisciformis G.A.Klebs p. 143
Euglena proxima P.A.Dang. p. 143
Euglena sanguinea Ehrenb. p. 143
Euglena spirogyra Ehrenb. p. 143
Euglena spiroides Lemmerm. p. 143
Euglena viridis (O.F.Müll.) Ehrenb. [author given as Ehrenb. alone] p. 143
Franceia ovalis (Francé) Lemmerm. p. 58 Pl. XI, fig. 14
Franceia tuberculata G.M.Sm. p. 58 Pl. XI, fig. 12
Geminella minor (Nägeli) Heering p. 80
Geminella ordinata (West & G.S.West) Heering [author given as G.S.West alone] p. 80 Pl. XVII, fig. 17a
Gloeoactinium limneticum G.M.Sm. p. 58 Pl. XI, fig. 10
Gloeocapsa aeruginosa (Carmich.) Kütz. p. 26 Pl. I, fig. 14
Gloeocapsa arenaria (Hassall) Rabenh. p. 26 Pl. I, fig. 15
Gloeocapsa conglomerata Kütz. p. 27 Pl. I, fig. 16-17
Gloeocapsa magma (Bréb.) Kütz. p. 27 [printed as G. magna] Pl. I, fig. 18
Gloeochaete wittrockiana Lagerh. p. 27
Gloeocystis gigas (Kütz.) Lagerh. [author given as (Kütz.) Lemmerm.] p. 51 Pl. VIII, fig. 10
Gloeocystis vesiculosa Nägeli p. 52 Pl. VIII, fig. 11
Gloeocystopsis limneticus G.M.Sm. p. 58 Pl. XI, fig. 11
Gloeotaenium loitelsbergerianum Hansg. [epithet misspelled loitlesbergerianum] p. 59 Pl. XI, fig. 15-17
Gloeotrichia echinulata (Sm.) P.G.Richt. p. 41 Pl. V, fig. 9
Gloeotrichia natans (Hedw.) Rabenh. p. 42
Gloeotrichia pisum (C.Agardh) Thuret p. 42
Golenkinia radiata Chodat p. 59 Pl. XI, fig. 18-19
Golenkinia radiata var. longispina G.M.Sm. [varietal epithet given as longispinum] p. 59 Pl. XI, fig. 20
Gomphosphaeria aponina Kütz. p. 27
Gomphosphaeria aponina var. cordiformis Wolle p. 27
Gomphosphaeria lacustris Chodat p. 27
Gonium pectorale O.F.Müll. p. 48
Gonium sociale (Dujard.) Warm. p. 49
Gonyaulax palustris Lemmerm. p. 150
Gymnodinium palustre A.J.Schill. p. 151
Gymnodinium vorticella F.Stein p. 151
Gymnozya moniliformis Ehrenb. p. 129
Hemidinium nasutum F.Stein p. 151
Herposteiron confervicola Nägeli = Aphanochaete repens A.Braun p. 87
Heteronema acus (Ehrenb.) F.Stein p. 148
Heteronema spirale G.A.Klebs p. 148
Hormidium nitens Menegh. p. 80 Pl. XVII, fig. 18-19
Hormotila mucigena Borzí p. 52 Pl. VIII, fig. 12
Hyalotheca dissiliens (Sm.) Bréb. p. 129
Hyalotheca mucosa (Dillwyn) Ehrenb. [author given as (Mert.) Ehrenb.] p. 129
Hydrocoleum glutinosus (C.Agardh) Gomont [genus spelled as Hydrocoleus] p. 30
Hydrodictyon reticulatum (L.) Lagerh. p. 54 Pl. IX, fig. 13
Kirchneriella contorta (Schmidle) Bohlin p. 59 Pl. XII, fig. 1
Kirchneriella elongata G.M.Sm. p. 59 Pl. XII, fig. 2
Kirchneriella lunaris (Kirchn.) K.Möbius p. 59 Pl. XII, fig. 3
Kirchneriella lunaris var. irregularis G.M.Sm. p. 59
Kirchneriella obesa (West) Schmidle p. 60 Pl. XII, fig. 4
Kirchneriella obesa var. aperta (Teiling) Brunnth. p. 60
Kirchneriella subsolitaria G.S.West [epithet given as subsolitarius] p. 60 Pl. XII, fig. 5-7
Lagerheimia chodatii C.Bernard p. 60 Pl. XII, fig. 11-13
Lagerheimia ciliata (Lagerh.) Chodat p. 60 Pl. XII, fig. 14
Lagerheimia cingula G.M.Sm. p. 60 Pl. XII, fig. 15
Lagerheimia citriformis (J.Snow) G.M.Sm. p. 60 Pl. XII, fig. 16
Lagerheimia droescheri (Lemmerm.) Printz p. 60 Pl. XII, fig. 17
Lagerheimia genevense Chodat p. 61
Lagerheimia genevense var. subglobosa (Lemmerm.) Chodat p. 61 Pl. XII, fig. 18
Lagerheimia longiseta (Lemmerm.) Printz p. 61 Pl. XII, fig. 19
Lagerheimia quadriseta (Lemmerm.) G.M.Sm. p. 61 Pl. XII, fig. 20-21
Lagerheimia subsalsa Lemmerm. p. 61 Pl. XII, fig. 8-9
Lagerheimia wratislaviensis Schröd. [epithet given in text as wratislawiensis] p. 61 Pl. XII, fig. 10
Lagerheimia wratislaviensis var. trisetigera G.M.Sm. p. 61
Lepocinclis fusiformis (H.J.Carter) Lemmerm. p. 144
Lepocinclis ovum (Ehrenb.) Lemmerm. p. 144
Lepocinclis ovum var. globula (Perty) Lemmerm. p. 144
Lyngbya aerugineo-caerulea (Kütz.) Gomont p. 30 Pl. II, fig. 9
Lyngbya aestuarii (Mert.) Liebm. p. 30
Lyngbya birgei G.M.Sm. p. 30 Pl. II, fig. 10
Lyngbya cataracta (Rabenh.) Wolle = Phormidium corium (C.Agardh) Gomont p. 35
Lyngbya contorta Lemmerm. p. 31
Lyngbya distincta (Nordst.) Schmidle p. 31
Lyngbya lagerheimii (K.Möbius) Gomont [epithet given as lagerheimia in plate caption] p. 31 Pl. II, fig. 11-12
Lyngbya major Menegh. p. 31 Pl. II, fig. 13
Lyngbya majuscula (Dillwyn) Harv. p. 31
Lyngbya martensiana Menegh. p. 31
Lyngbya obscura Kütz. = Lyngbya aestuarii (Mert.) Liebm. p. 30
Lyngbya ochracea (Kütz.) Thur. p. 31
Lyngbya subtorulosa (Bréb.) Wolle = Microcoleus subtorulosus (Kütz.) Gomont p. 32
Lyngbya vulgaris (Kütz.) Kirchn. = Phormidium autumnale (C.Agardh) Gomont p. 34
Mastigonema elongatum H.C.Wood p. 41
Merismopedia aeruginea Bréb. [epithet given as aerugineum in plate caption] p. 28 Pl. II, fig. 1
Merismopedia convoluta Bréb. [epithet given as convolutum in plate caption] p. 28 Pl. II, fig. 2-3
Merismopedia elegans A.Braun p. 28 Pl. II, fig. 4
Merismopedia glauca (Ehrenb.) Nägeli p. 28
Merismopedia minima Beck p. 28 Pl. II, fig. 5
Merismopedia punctata Meyen p. 28
Merismopedia tenuissima Lemmerm. p. 28
Micractinium pusillum Fresen. p. 61 Pl. XIII, fig. 10
Micractinium pusillum var. elegans G.M.Sm. p. 61 Pl. XIII, fig. 15
Micractinium quadrisetum (Lemmerm.) G.M.Sm. p. 62 Pl. XIII, fig. 20
Micrasterias americana (Ehrenb.) Ralfs p. 129 Pl. XXXVI, fig. 9
Micrasterias apiculata (Ehrenb.) Menegh. p. 130
Micrasterias apiculata var. fimbriata (Ralfs) Nordst. p. 130 Pl. XXXVI, fig. 11
Micrasterias crux-melitensis (Ehrenb.) Hassall p. 130
Micrasterias papillifera Bréb. p. 130
Micrasterias papillifera var. glabra Nordst. p. 130
Micrasterias pinnatifida (Kütz.) Ralfs p. 130 Pl. XXXVI, fig. 15
Micrasterias rabenhorstii Kirchn. p. 130 Pl. XXXVI, fig. 14
Micrasterias radiata Hassall p. 130 Pl. XXXVI, fig. 20
Micrasterias radiosa Ralfs p. 130
Micrasterias radiosa var. ornata Nordst. p. 130
Micrasterias truncata (Corda) Bréb. p. 130
Microcoleus lacustris (Rabenh.) Farl. p. 31
Microcoleus paludosus (Kütz.) Gomont p. 32 Pl. II, fig. 14-15
Microcoleus subtorulosus (Kütz.) Gomont p. 32
Microcoleus vaginatus (Vaucher) Gomont p. 32
Microcystis aeruginosa Kütz. p. 29
Microcystis aeruginosa var. major (Wittr.) G.M.Sm. p. 29
Microcystis flos-aquae (Wittr.) Kirchn. p. 29 Pl. II, fig. 6
Microcystis incerta Lemmerm. p. 29
Microcystis marginata (Menegh.) Kütz. p. 29
Microcystis pulverea var. incerta (Lemmerm.) Crow = Microcystis incerta Lemmerm. p. 29
Microspora amoena (Kütz.) Rabenh. p. 81
Microspora floccosa (Vaucher) Thur. p. 82
Microspora pachyderma (Wille) Lagerh. p. 82 Pl. XVIII, fig. 3
Microspora stagnorum (Kütz.) Lagerh. p. 82
Microspora tumidula Hazen p. 82 Pl. XVIII, fig. 4
Microspora willeana Lagerh. p. 82
Microthamnion kuetzingianum Nägeli p. 85 Pl. XIX, fig. 10
Mischococcus confervicola Nägeli p. 45 Pl. VII, fig. 4-5
Mougeotia elegantula Wittr. p. 105
Mougeotia genuflexa (Dillwyn) C.Agardh p. 105
Mougeotia nummuloides (Hassall) De Toni p. 105
Mougeotia parvula Hassall p. 105
Mougeotia robusta (de Bary) Wittr. p. 105
Mougeotia robusta var. biornata Wittr. p. 105
Mougeotia scalaris Hassall p. 105
Mougeotia sphaerocarpa Wolle p. 105
Mougeotia tenuis (Cleve.) Wittr. p. 105
Mougeotia tumidula Transeau p. 106
Nephrocytium agardhianum Nägeli p. 62 Pl. XI, fig. 21
Nephroselmis olivacea F.Stein p. 142
Netrium digitus (Ehrenb.) Itzigs. p. 112 Pl. XXXI, fig. 1
Netrium nagelii (Bréb.) West & G.S. West p. 112
Nitella opaca C.Agardh p. 140 Pl. XXXVIII (all figures)
Nodularia spumigena Mert. p. 40
Nostoc coeruleum Lyngb. p. 40 Pl. V, fig. 3
Nostoc comminutum Kütz. p. 41
Nostoc commune Vaucher p. 40 Pl. V, fig. 4-5
Nostoc cuticulare (Bréb.) Bornet & Flahault p. 40 Pl. V, fig. 6
Nostoc linckia (Roth) Bornet & Thur.[author given in error as (Roth) Bornet & Flahault] p. 40 Pl. V, fig. 2
Nostoc muscorum C.Agardh p. 40
Nostoc piscinale Kütz. p. 40
Nostoc pruniforme C.Agardh [author given in error as (L.) C.Agardh] p. 41
Nostoc punctiforme (Kütz.) Har. = Anabaena cycadeae Reinke p. 37
Nostoc sphaericum Vaucher p. 41
Notosolenus apocamptus A.Stokes [epithet given as apocamptum] p. 149
Oedogonium acrosporum de Bary p. 95 Pl. XXVIII, fig. 2
Oedogonium anomalum Hirn p. 95
Oedogonium areolatum Lagerh. p. 95 Pl. XXVIII, fig. 7
Oedogonium autumnale Wittr. p. 95
Oedogonium bohemicum Hirn p. 95
Oedogonium borisianum (Le Clerc) Wittr. p. 95 Pl. XXVIII, fig. 3
Oedogonium boscii (Le Clerc) Wittr. p. 96
Oedogonium braunii Kütz. p. 96
Oedogonium capillare (L.) Kütz. p. 96
Oedogonium capilliforme Kütz. p. 96
Oedogonium capilliforme forma debaryanum (V.Chmiel.) Hirn p. 96
Oedogonium capilliforme var. australe Wittr. p. 96
Oedogonium capilliforme var. australe forma uberosporum Hirn p. 96
Oedogonium cardiacum (Hassall) Wittr. p. 96
Oedogonium cardiacum var. carbonicum Wittr. p. 96
Oedogonium cardiacum var. minor Lemmerm. p. 96
Oedogonium cataractum Wolle p. 97
Oedogonium ciliatum (Hassall) Pringsh. p. 97
Oedogonium concatenatum (Hassall) Wittr. p. 97
Oedogonium concatenatum forma hutchinsiae (Wittr.) Hirn p. 97
Oedogonium crassiusculum Wittr. p. 97
Oedogonium crassiusculum var. idioandrosporum Nordst. and Wittr. p. 97 Pl. XXVIII, fig. 4
Oedogonium crassum (Hassall) Wittr. p. 97
Oedogonium crenulatocostatum Wittr. p. 97
Oedogonium crenulatocostatum var. aureum Tilden [specific epithet spelled crenulato-costatum in plate caption] p. 97 Pl. XXIX, fig. 22
Oedogonium crispum (Hassall) Wittr. p. 97
Oedogonium crispum var. gracilescens Wittr. p. 97
Oedogonium cryptoporum Wittr. p. 98
Oedogonium curvum Pringsh. p. 98
Oedogonium cyathigerum Wittr. p. 98
Oedogonium decipiens Wittr. p. 98
Oedogonium dictyosporum Wittr. p. 98
Oedogonium exocostatum Tiffany p. 98
Oedogonium exospirale Tiffany p. 98
Oedogonium flavescens (Hassall) Wittr. p. 98
Oedogonium fonticola A.Braun p. 98
Oedogonium fragile Wittr. p. 98
Oedogonium franklinianum Wittr. p. 99
Oedogonium giganteum Kütz. p. 99
Oedogonium globosum Nordst. p. 99
Oedogonium gracillimum Wittr. and P.Lundell p. 99 Pl. XXIX, fig. 15-17
Oedogonium grande Kütz. p. 99
Oedogonium grande var. robustum (Hirn) Tiffany p. 99
Oedogonium hians Nordst. & Hirn p. 99 Pl. XXVIII, fig. 1
Oedogonium hirnii Gutw. p. 99
Oedogonium hirnii var. africanum G.S.West p. 99
Oedogonium hystricinum Transeau and Tiffany p. 99 Pl. XXVIII, fig. 5
Oedogonium inaequale H.C.Wood p. 100
Oedogonium infimum Tiffany p. 100
Oedogonium intermedium Wittr. p. 100 Pl. XXIX, fig. 14
Oedogonium inversum Wittr. p. 100
Oedogonium inversum forma subclusum (Wittr.) Hirn p. 100
Oedogonium iowense Tiffany p. 100
Oedogonium landsboroughii (Hassall) Wittr. [epithet printed landsborough] p. 100
Oedogonium landsboroughii var. norvegicum Wittr. p. 100
Oedogonium latiusculum Tiffany p. 100
Oedogonium longatum Kütz. p. 100
Oedogonium macrandrium Wittr. p. 100
Oedogonium macrospermum West & G.S.West p. 101
Oedogonium martinicense Hirn p. 101 Pl. XXIX, fig. 11-13
Oedogonium nanum Wittr. p. 101
Oedogonium oblongum Wittr. p. 101
Oedogonium oryzae Wittr. p. 101
Oedogonium oryzae var. seriosporum (Lagerh.) Hassall p. 101 Pl. XXVIII, fig. 6
Oedogonium oviforme (M.Lewin) Hirn p. 101
Oedogonium paucocostatum Transeau p. 101
Oedogonium paucocostatum var. gracilis Tiffany p. 101 Pl XXVIII, fig. 8
Oedogonium pisanum Wittr. p. 102
Oedogonium pisanum var. gracilis Transeau and Tiffany p. 102 Pl. XXIX, fig. 9-10
Oedogonium plagiostomum Wittr. p. 102
Oedogonium plagiostomum var. gracilius Wittr. p. 102
Oedogonium pratense Transeau p. 102
Oedogonium praticolum Transeau p. 102
Oedogonium pringsheimii C.E.Cramer p. 102
Oedogonium pringsheimii var. nordstedtii Wittr. p. 102
Oedogonium pusillum Kirchn. p. 102
Oedogonium reinschii J.Roy p. 103 Pl. XXIX, fig. 8
Oedogonium rivulare (Le Clerc) A.Braun p. 103
Oedogonium rufescens Wittr. p. 103 Pl. XXIX, fig. 6-7
Oedogonium rugulosum Nordst. p. 103
Oedogonium suecicum Wittr. p. 103
Oedogonium supremum Tiffany p. 103
Oedogonium tapeinosporum Wittr. p. 103
Oedogonium tyrolicum Wittr. p. 103
Oedogonium undulatum (Bréb.) A.Braun [author given as Bréb. alone] p. 103 Pl. XXIX, fig. 4-5
Oedogonium varians Wittr. and P.Lundell p. 103 Pl. XXIX, fig. 2-3
Oedogonium vaucherii (Le Clerc) A.Braun p. 104 Pl. XXVIII, fig. 11-12
Oedogonium victoriense G.S.West p. 104 Pl. XXIX, fig. 1
Oedogonium welwitschii West & G.S. West p. 104
Oedogonium wolleanum Wittr. [epithet given as wolleana in plate caption] p. 104 Pl. XXVIII, fig. 9
Oedogonium wyliei Tiffany p. 104 Pl. XXVIII, fig. 10
Onychonema filiforme (Ehrenb.) J.Roy and Bisset p. 131 Pl. XXXIII, fig. 8
Onychonema laeve Nordst. p. 131 Pl. XXXIII, fig. 10
Oocystis borgei J.Snow p. 62 Pl. XII, fig. 23
Oocystis crassa Wittr. p. 62 Pl. XII, fig. 22
Oocystis elliptica West p. 62 Pl. XII, fig. 24
Oocystis eremosphaeria G.M.Sm. [epithet given as eremosphaera in plate caption] p. 62 Pl. XII, fig. 27
Oocystis lacustris Chodat p. 63 Pl. XII, fig. 26
Oocystis parva West & G.S.West p. 63 Pl. XII, fig. 25
Oocystis pusilla Hansg. p. 63 Pl. XII , fig. 28-29
Oocystis solitaria Wittr. p. 63 Pl. XII , fig. 30
Oocystis submarina Lagerh. p. 63 Pl. XII, fig. 31-32
Ophiocytium arbuscula (A.Braun) Rabenh. p. 46 Pl. VIII, fig. 1
Ophiocytium capitatum Wolle p. 46 Pl. VIII, fig. 2-3
Ophiocytium capitatum var. longispinum (K.Möbius) Lemmerm. p. 46
Ophiocytium cochleare (Eichw.) A. Braun p. 47 Pl. VIII, fig. 4-5
Ophiocytium parvulum (Perty) A. Braun p. 47 Pl. VIII, fig. 6-7
Oscillatoria agardhii Gomont p. 32
Oscillatoria amoena (Kütz.) Gomont [author given as (Kütz.) Tilden] p. 32 Pl. III, fig. 11-12
Oscillatoria amphibia C.Agardh p. 32 Pl. III, fig. 1-3
Oscillatoria anguina Bory p. 32 Pl. III, fig. 4-5
Oscillatoria angustissima West & G.S.West p. 33
Oscillatoria brevis Kütz. p. 33 Pl. III, fig. 6
Oscillatoria chalybea Mert. in Jürg. p. 33
Oscillatoria chlorina Kütz. p. 33
Oscillatoria cruenta Grunow p. 34
Oscillatoria curviceps C.Agardh p. 33 Pl. III, fig. 7-8
Oscillatoria formosa Bory p. 33 Pl. III, fig. 9
Oscillatoria froelichii Kütz. = Oscillatoria limosa C.Agardh p. 33
Oscillatoria froelichii var. fusca Kirchn. = Oscillatoria limosa var. fusca (Kirchn.) Prescott p. 33
Oscillatoria imperator H.C.Wood = Oscillatoria princeps Vaucher p. 34
Oscillatoria limosa (Dillwyn) C.Agardh [author given as Agardh alone] p. 33
Oscillatoria limosa var. fusca (Kirchner) Prescott p. 33
Oscillatoria major Vaucher p. 34
Oscillatoria nigra Vaucher = Oscillatoria limosa (Dillwyn) C.Agardh p. 33
Oscillatoria princeps Vaucher p. 34 Pl. III, fig. 10
Oscillatoria sancta Kütz. p. 34
Oscillatoria subtilissima Kütz. p. 34
Oscillatoria tenerrima Kütz. = Oscillatoria amphibia C.Agardh p. 32
Oscillatoria tenuis C.Agardh p. 34
Palmella mucosa Kütz. p. 52
Palmellococcus miniatus (Kütz.) Chodat [author given as (Leiblein) Chodat] p. 63 Pl. XI, fig. 22
Pandorina morum (O.F.Müll.) Bory [author given as Bory alone] p. 49
Pediastrum biradiatum Meyen p. 55
Pediastrum biradiatum var. emarginatum A.Braun p. 55 Pl. X, fig. 1
Pediastrum boryanum (Turpin) Menegh. p. 55 Pl. X, fig. 2-3
Pediastrum boryanum var. longicorne Racib. p. 55 Pl. X, fig. 4
Pediastrum duplex Meyen p. 55 Pl. X, fig. 5
Pediastrum duplex var. clathratum (A.Braun) Lagerh. p. 55
Pediastrum duplex var. gracillimum West & G.S.West p. 55
Pediastrum duplex var. reticulatum Lagerh. p. 55
Pediastrum duplex var. rotundatum Lucks p. 55
Pediastrum integrum Nägeli p. 56 Pl. X, fig. 7
Pediastrum integrum var. priva Kütz. p. 56 Pl. X, fig. 8
Pediastrum kawraiskyi Schmidle p. 56 Pl. X, fig. 9
Pediastrum ovatum (Ehrenb.) A.Braun p. 56
Pediastrum simplex (Meyen) Lemmerm. p. 56 Pl. X, fig. 10-11
Pediastrum simplex var. duodenarium (Bailey) Rabenh. p. 56 Pl. X, fig. 6; Pl. XI, fig. 1
Pediastrum tetras (Ehrenb.) Ralfs p. 56 Pl. XI, fig. 2
Pediastrum tetras var. tetraodon (Corda) Hansg. p. 56
Pediastrum tricornutum Borge p. 56
Pediastrum tricornutum forma evoluta Schmidle p. 56 Pl. XI, fig. 3-4
Penium libellula (Focke) Nordst. p. 131
Penium margeritaceum (Ehrenb.) Bréb. p. 131
Peridinium cinctum (O.F.Müll.) Ehrenb. [author given as Ehrenb. alone] p. 150
Peridinium marssonii Lemmerm. p. 150
Peridinium pusillum (Penard) Lemmerm. p. 150
Peridinium quadridens F.Stein p. 150
Peridinium tabulatum (Ehrenb.) Clap. &. J.Lachm. p. 150
Peridinium westii Lemmerm. p. 150
Peridinium willei Huitf.-Kaas p. 150
Peroniella hyalotheca Gobi p. 45 Pl. VII, fig. 6
Petalomonas mediocanellata F.Stein p. 149
Phacotus lenticularis (Ehrenb.) F.Stein p. 50
Phacus acuminata A.Stokes p. 144
Phacus brevicaudata (G.A.Klebs) Lemmerm. p. 144
Phacus longicauda (Ehrenb.) Dujard. p. 144
Phacus longicauda var. torta Lemmerm. p. 144
Phacus pleuronectes (O.F.Müll.) Dujard. p. 144
Phacus pyrum (Ehrenb.) F.Stein p. 145
Phacus suecica Lemmerm. p. 145
Phacus suecica var. nov. (?) p. 145 Pl. XXX, fig. 13
Phormidium autumnale (C.Agardh) Gomont p. 34
Phormidium corium (C.Agardh) Gomont p. 35 Pl. III, fig. 13-14
Phormidium retzii (C.Agardh) Gomont p. 35
Phormidium uncinatum (C.Agardh)Gomont p. 35
Pithophora aequalis Wittr. p. 90
Pithophora aequalis var. floridensis Wolle p. 90 Pl. XXIV, fig. 3-4
Pithophora oedogonia (Mont.) Wittr. p. 91 Pl. XXIV, fig. 5-6
Pithophora varia Wille p. 91 Pl. XXIV, fig. 7-8
Planktosphaeria gelatinosa G.M.Sm. p. 63 Pl. XIII, fig. 1
Platydorina caudata Kof. [epithet given as caudatum] p. 49
Pleodorina californica W.Shaw p. 49
Pleodorina illinoisensis Kof. p. 49
Pleurococcus vulgaris Menegh. p. 54
Pleurotaenium coronatum (Bréb.) Rabenh. p. 131
Pleurotaenium coronatum var. nodulosum (Bréb.) West p. 131
Pleurotaenium coronatum var. robustum West p. 131
Pleurotaenium ehrenbergii (Bréb.) de Bary p. 131
Pleurotaenium trabecula (Ehrenb.) Nägeli p. 132
Pleurotaenium trabecula var. rectum (Delponte) West & G.S.West p. 132
Pleurotaenium truncatum (Bréb.) Nägeli p. 132
Pleurotaenium truncatum var. granulatum West p. 132
Polyedriopsis quadrispina G.M.Sm. p. 64 Pl. XIII, fig. 7-8
Polyedriopsis spinulosa Schmidle p. 64 Pl. XIII, fig. 2
Polyedriopsis spinulosa var. excavata (Playfair) G.M.Sm. [author given as Playfair alone] p. 64 Pl. XIII, fig. 3-4
Porphyridium cruentum (C.Agardh) Nägeli p. 44 Pl. VI, fig. 7
Prasiola calophylla (Spreng.) Menegh. p. 83 Pl. XVIII, fig. 6
Protoderma viride Kütz. p. 82 Pl. XVIII, fig. 5
Pseudotetraëdron neglectum Pascher p. 45 Pl. VII, fig. 2-3
Pteromonas aculeata Lemmerm. p. 51
Pteromonas angulosa Lemmerm. p. 51
Pyramimonas inconstans Hodgetts [genus misspelled Pyramidomonas] p. 51
Quadrigula pfitzeri (Schröd.) G.M.Sm. p. 74 Pl. XVI, fig. 1
Rhizoclonium crassipelitum West & G.S.West p. 91
Rhizoclonium crassipelitum var. robustum G.S.West p. 91 Pl. XXV, fig. 1
Rhizoclonium crispum Kütz. p. 91 Pl. XXV, fig. 2
Rhizoclonium fontanum Kütz. p. 91 Pl. XXV, fig. 3
Rhizoclonium hieroglyphicum (C.Agardh) Kütz. [epithet printed in error as heiroglyphicum in plate caption] p. 91 Pl. XXV, fig. 4
Rhizoclonium hookeri Kütz. p. 91 Pl. XXV, fig. 5
Rivularia compacta Collins p. 42 Pl. VI, fig. 1
Rivularia minutula (Kütz.) Bornet & Flahault p. 42
Rivularia natans (Hedwig) Welw. = Gloeotrichia natans (Hedwig) Rabenh. p. 42
Rivularia pisum C.Agardh = Gloeotrichia pisum (C.Agardh) Thur. p. 42
Roya obtusa (Bréb.) West & G.S.West p. 112
Roya obtusa var. montana West & G.S.West p. 112 Pl. XXXI, fig. 2
Scenedesmus abundans (Kirchn.) Chodat p. 74 Pl. XVI, fig. 2
Scenedesmus abundans var. brevicauda G.M.Sm. p. 74 Pl. XVI, fig. 3
Scenedesmus abundans var. longicauda G.M.Sm. p. 74
Scenedesmus acuminatus (Lagerh.) Chodat p. 74 Pl. XVI, fig. 4-5
Scenedesmus acuminatus var. elongatus G.M.Sm. p. 74 Pl. XVI, fig. 6
Scenedesmus arcuatus Lemmerm. p. 75 Pl. XVI, fig. 7-8
Scenedesmus arcuatus var. capitatus G.M.Sm. p. 75 Pl. XVI, fig. 9
Scenedesmus arcuatus var. platydiscus G.M.Sm. p. 75 Pl. XVI, fig. 10
Scenedesmus armatus (Chodat) G.M.Sm. p. 75
Scenedesmus armatus var. major G.M.Sm. p. 75 Pl. XVI, fig. 11
Scenedesmus bernardii G.M.Sm. p. 75 Pl. XVI, fig. 12
Scenedesmus bijuga (Turp.) Lagerh. p. 75 Pl. XVI, fig. 13-14
Scenedesmus bijuga var. alternans (Reinsch) Borge p. 75
Scenedesmus bijuga var. alternans forma irregularis G.M.Sm. p. 75 Pl. XVI, fig. 15
Scenedesmus bijuga var. flexuosus Lemmerm. [varietal epithet given as flexulosus in plate caption] p. 75 Pl. XVI, fig. 16
Scenedesmus bijuga var. radiatus Hansg. p. 76 Pl. XVI, fig. 17
Scenedesmus brasiliensis Bohlin [epithet given as braziliensis in plate caption] p. 76 Pl. XVI, fig. 18
Scenedesmus carinatus (Lemmerm.) Chodat p. 76 Pl. XVI, fig. 19
Scenedesmus denticulatus Lagerh. p. 76 Pl. XVI, fig. 20
Scenedesmus denticulatus var. linearis Hansg. p. 76
Scenedesmus denticulatus var. lunatus G.M.Sm. p. 76 Pl. XVI, fig. 21
Scenedesmus dimorphus (Turpin) Kütz. p. 76 Pl. XVI, fig. 22-23
Scenedesmus dimorphus forma tortus G.M.Sm. p. 76
Scenedesmus incrassatulus Bohlin p. 76
Scenedesmus incrassatulus var. mononae G.M.Sm. p. 76 Pl. XVI, fig. 24
Scenedesmus longus Meyen p. 77
Scenedesmus longus var. naegelii (Bréb.) G.M.Sm. p. 77 Pl. XVI, fig. 25
Scenedesmus obliquus (Turpin) Kütz. p. 77 Pl. XVI, fig. 26
Scenedesmus obliquus var. dimorphus Rabenh. = Scenedesmus dimorphus (Turpin) Kütz. p. 76
Scenedesmus opoliensis P.G.Richt. p. 77 Pl. XVII, fig. 1
Scenedesmus perforatus Lemmerm. p. 77
Scenedesmus quadricauda (Turpin) Bréb. p. 77 Pl. XVI, fig. 27
Scenedesmus quadricauda var. abundans (Kirchn.) Lagerh. = Scenedesmus abundans (Kirchn.) Chodat p. 74
Scenedesmus quadricauda var. alternans G.M.Sm. p. 77 Pl. XVI, fig. 28
Scenedesmus quadricauda var. longispina (Chodat) G.M.Sm. p. 77
Scenedesmus quadricauda var. maximus West & G.S.West p. 77
Scenedesmus quadricauda var. quadrispina (Chodat) G.M.Sm. p. 77 Pl. XVII, fig. 2
Scenedesmus quadricauda var. westii G.M.Sm. p. 78 Pl. XVII, fig. 3
Scenedesmus reniforme G.M.Sm. p. 78
Schizomeris leibleinii Kütz. p. 81 Pl. XVIII, fig. 1-2
Schizothrix purpurascens (Kütz.) Gomont p.35 Pl. III, fig. 15-16
Schroederia judayi G.M.Sm. p. 78 Pl. XVII, fig. 4-5
Schroederia setigera (Schröder) Lemmerm. p. 78 Pl. XV, fig. 5; Pl. XVII, fig. 6
Schroederia setigera var. ancora G.M.Sm. p. 78
Scytonema cincinnatum (Kütz.) Thur. [author given as Thur. alone] p. 42 Pl. VI, fig. 2
Scytonema crispum (C.Agardh) Bornet = Scytonema cincinnatum (Kütz.) Thur. p. 42
Scytonema figuratum C.Agardh p. 42 Pl. VI, fig. 3
Scytonema mirabile (Dillwyn) Bornet = Scytonema figuratum C.Agardh p. 42
Scytonema myochrous (Dillwyn) C.Agardh p. 43
Scytonema tomentosum Kütz. = Scytonema myochrous (Dillwyn) C.Agardh p. 43
Selenastrum bibrainum Reinsch p. 78
Selenastrum gracile Reinsch p. 79 Pl. XVII, fig. 7
Selenastrum westii G.M.Sm. p. 79 Pl. XVII, fig. 8
Sorastrum americanum (Bohlin) Schmidle p. 57
Sorastrum americanum var. undulatum G.M.Sm. p. 57 Pl. XI, fig. 5
Sorastrum spinulosum Nägeli p. 57 Pl. XI, fig. 6
Sphaerocystis schroeteri Chodat p. 52 Pl. VIII, fig. 13
Sphaerozosma aubertianum West p. 132
Sphaerozosma aubertianum var. archeri (Gutw.) West & G.S.West p. 132 Pl. XXXV, fig. 20
Sphaerozosma granulatum J.Roy and Bisset p. 132 Pl. XXXIII, fig. 9
Sphaerozosma vertebratum (Bréb.) Ralfs p. 132 Pl. XXXV, fig. 15
Sphaerozosma vertebratum forma minor West p. 132 Pl. XXXV, fig. 14
Sphaerozyga polysperma Rabenh. = Anabaena (?) variabilis Kütz. p. 38
Spirogyra adnata Kütz. p. 106
Spirogyra angolensis Welw. p. 106
Spirogyra borgeana Transeau p. 106
Spirogyra borysthenica Kasan. & Smirn. p. 106
Spirogyra borysthenica var. echinospora Kasan. & Smirn. p. 106
Spirogyra brasiliensis (Nordst.) Transeau p. 106
Spirogyra catenaeformis (Hassall) Kütz. p. 106
Spirogyra catenaeformis var. parvula Transeau p. 106
Spirogyra circumlineata Transeau p. 106
Spirogyra communis (Hassall) Kütz. p. 107 Pl. XXX, fig. 5-6
Spirogyra crassa Kütz. p. 107
Spirogyra daedalea Lagerh. p. 107
Spirogyra decimina (O.F.Müll.) Kütz. p. 107 Pl. XXX, fig. 7
Spirogyra decimina var. inflata Fritsch p. 107
Spirogyra decimina var. plena West & G.S.West p. 107
Spirogyra dubia Kütz. p. 107
Spirogyra echinata Tiffany p. 107
Spirogyra ellipsospora Transeau p. 107
Spirogyra ellipsospora var. crassoidea Transeau p. 107
Spirogyra farlowii Transeau p. 108
Spirogyra fluviatilis Hilse in Rabenh. p. 108
Spirogyra grevilleana (Hassall) Kütz. p. 108
Spirogyra hassallii (Jenner) P.Petit p. 108
Spirogyra hyalina Cleve p. 108
Spirogyra inflata (Vaucher) Kütz. p. 108
Spirogyra insignis (Hassall) Kütz. p. 108
Spirogyra intermedia Rabenh. p. 108
Spirogyra juergensii Kütz. p. 108
Spirogyra jugalis (Dillwyn) Kütz. p. 108 Pl. XXX, fig. 8-9
Spirogyra laxa Kütz. p. 109
Spirogyra longata (Vaucher) Kütz. p. 109
Spirogyra majuscula Kütz. p. 109
Spirogyra maxima (Hassall) Wittr. p. 109
Spirogyra mirabilis (Hassall) Kütz. p. 109
Spirogyra nitida (Dillwyn) Link p. 109
Spirogyra novae-angliae Transeau p. 109
Spirogyra pellucida (Hassall) Kütz. p. 109
Spirogyra porticalis (O.F.Müll.) Cleve p. 109
Spirogyra porticalis var. alpina Brügger. p. 109
Spirogyra pratensis Transeau p. 110
Spirogyra protecta H.C.Wood p. 110
Spirogyra punctata Cleve p. 110
Spirogyra punctiformis Transeau p. 110
Spirogyra quadrata (Hassall) P.Petit p. 110
Spirogyra reticulata Nordst. p. 110
Spirogyra rivularis (Hassall) Rabenh. p. 110
Spirogyra setiformis (Roth) Kütz. p. 110
Spirogyra spreeiana Rabenh. p. 110
Spirogyra stictica (Sm.) Wille p. 110 Pl. XXX, fig. 10
Spirogyra subreticulata F.E.Fritsch p. 110 Pl. XXX, fig. 1-4
Spirogyra tenuissima (Hassall) Kütz. p. 111
Spirogyra varians (Hassall) Kütz. p. 111
Spirogyra varians var. gracilis Borge p. 111
Spirogyra varians var. minor Teodor. p. 111
Spirogyra velata Nordst. p. 111
Spirogyra velata var. occidentalis Transeau p. 111
Spirogyra weberi Kütz. p. 111
Spirotaenia condensata Bréb. p. 113 Pl. XXXI, fig. 3
Spirotaenia condensata var. nov. (?) p. 113
Spirotaenia obscura Ralfs p. 113
Spirulina major Kütz. p. 35 Pl. IV, fig. 1
Spirulina princeps West & G.S.West p. 36
Spirulina subtilissima Kütz. p. 36 Pl. IV, fig. 2
Spirulina versicolor Cohn p. 36
Spondylosium pulchellum W.Archer p. 133 Pl. XXXIII, fig. 7
Staurastrum alternans Bréb. p. 133 Pl. XXXV, fig. 4, 4a
Staurastrum americanum (West & G.S.West) G.M.Sm. = Staurastrum grallatorium var. americanum West & G.S.West p. 136
Staurastrum apiculatum Bréb. p. 133 Pl. XXXV, fig. 6, 6a
Staurastrum arcuatum Nordst. [epithet given as articulatum in plate caption] p. 133 Pl. XXXV, fig. 18
Staurastrum avicula Bréb. p. 133 Pl. XXXV, fig. 12, 12a
Staurastrum botrophilum Wolle p. 133
Staurastrum breviculeatum G.M.Sm. p. 133 Pl. XXXIV, fig. 12, 12a
Staurastrum brevispinum Bréb. p. 133 Pl. XXXV, fig. 9, 9a
Staurastrum chaetoceros (Schröd.) G.M.Sm. p. 134 Pl. XXXV, fig. 13
Staurastrum connatum (Lund.) J.Roy and Bisset p. 134 Pl. XXXV, fig. 8
Staurastrum controversum Bréb. p. 134 Pl. XXXV, fig. 7
Staurastrum crenulatum (Nägeli) Delponte p. 134 Pl. XXXV, fig. 3, 3a
Staurastrum dejectum Bréb. p. 134 Pl. XXXV, fig. 2
Staurastrum denticulatum (Nägeli) W.Archer p. 134 Pl. XXXV, fig. 1, 1a
Staurastrum dickiei Ralfs p. 134 Pl. XXXIV, fig. 16, 16a
Staurastrum dickiei var. circulare W.B.Turner p. 134
Staurastrum dickiei var. maximum West & G.S.West p. 134
Staurastrum dickiei var. rhomboideum West & G.S.West p. 134
Staurastrum erostellum West & G.S.West p. 135 Pl. XXXIV, fig. 17
Staurastrum floriferum West & G.S.West p. 135 Pl. XXXIV, fig. 15, 15a
Staurastrum furcatum (Ehrenb.) Bréb. p. 135
Staurastrum furcigerum Bréb. p. 135
Staurastrum furcigerum var. armigerum (Bréb.) Nordst. [varietal epithet given as armigera] p. 135
Staurastrum furcigerum var. eustephanum (Ehrenb.) Nordst. [varietal epithet given as eustephana] p. 135 Pl. XXXIV, fig. 14, 14a
Staurastrum glabrum (Ehrenb.) Ralfs p. 135 Pl. XXXIV, fig. 13
Staurastrum gladiosum W.B.Turner p. 135
Staurastrum gracile Ralfs p. 135
Staurastrum gracile var. nanum Wille p. 135 Pl. XXXIV, fig. 11, 11a
Staurastrum grallatorium Nordst. p. 135
Staurastrum grallatorium var. americanum West & G.S.West p. 135 Pl. XXXIV, fig. 10, 10a
Staurastrum haaboeliense Wille [epithet given in text as haabolliense] p. 136 Pl. XXXIV, fig. 8, 8a
Staurastrum hexacerum (Ehrenb.) Wittr. p. 136 Pl. XXXIV, fig. 7, 7a
Staurastrum hexacerum var. (?) aversum West & G.S.West p. 136
Staurastrum irregulare West p. 136 Pl. XXXIV, fig. 5
Staurastrum laeve Ralfs p. 136 Pl. XXXIV, fig. 6
Staurastrum leptocladum Nordst. p. 136
Staurastrum leptocladum var. insigne West. & G.S.West p. 136 Pl. XXXIV, fig. 9
Staurastrum longiradiatum West & G.S.West p. 136 Pl. XXXIV, fig. 4, 4a
Staurastrum lunatum Ralfs p. 136
Staurastrum margaritaceum (Ehrenb.) Menegh. p. 137
Staurastrum muticum Bréb. p. 137 Pl. XXXIV, fig. 1, 1a
Staurastrum orbiculare Ralfs p. 137
Staurastrum orbiculare var. hibernicum West & G.S.West p. 137
Staurastrum orbiculare var. ralfsii West & G.S.West p. 137 Pl. XXXIV, fig. 3
Staurastrum paradoxum Meyen p. 137
Staurastrum paradoxum var. longipes Nordst. p. 137 Pl. XXXIV, fig. 2
Staurastrum paradoxum var. parvum West p. 137
Staurastrum pilosum (Nägeli) W.Archer p. 137
Staurastrum polymorphum Bréb. p. 138 Pl. XXXIII, fig. 20, 20a
Staurastrum polytrichum (Perty) Rabenh. p. 137
Staurastrum pseudosebaldi Wille p. 138
Staurastrum pseudosebaldi var. simplicius West p. 138 Pl. XXXIII, fig. 21
Staurastrum punctulatum Bréb. p. 138 Pl. XXXV, fig. 16
Staurastrum punctatulum var. pygmaeum (Bréb.) West & G.S.West p. 138
Staurastrum setigerum Cleve p. 138
Staurastrum setigerum var. pectinatum West & G.S.West p. 138 Pl. XXXIII, fig. 16, 16a
Staurastrum spongiosum Bréb. p. 138 Pl. XXXIII, fig. 17
Staurastrum striolatum (Nägeli) W.Archer p. 138 Pl. XXXIII, fig. 15
Staurastrum teliferum Ralfs p. 138 Pl. XXXIII, fig. 19
Staurastrum tetracerum Ralfs p. 139
Staurastrum tetracerum var. validum West & G.S.West p. 139 Pl. XXXIII, fig. 22
Staurastrum tohopekaligense Wolle p. 139
Staurastrum tohopekaligense var. trifurcatum West & G.S.West p. 139 Pl. XXXIII, fig. 18
Staurastrum vestitum Ralfs p. 139
Staurastrum vestitum var. semivestitum West p. 139 Pl. XXXIII, fig. 14, 14a
Stichococcus bacillaris Nägeli p. 81 Pl. XVII, fig. 20
Stigeoclonium flagelliferum Kütz. p. 86
Stigeoclonium glomeratum (Hazen) Collins [epithet given as glomerata in plate caption] p. 86 Pl. XX, fig. 1
Stigeoclonium lubricum (Dillwyn) Kütz. p. 86
Stigeoclonium nanum (Dillwyn) Kütz. p. 86
Stigeoclonium polymorphum (Franke) Heering p. 86 Pl. XX, fig. 2
Stigeoclonium stagnatile (Hazen) Collins p. 86 Pl. XX, fig. 3-4
Stigeoclonium subsecundum Kütz. p. 86 Pl. XX, fig. 5
Stigeoclonium tenue (C.Agardh) Kütz. p. 86
Stigonema hormoides (Kütz.) Bornet & Flahault p.43 Pl. VI, fig. 5-6
Stipitococcus urceolatus West & G.S.West p. 45 Pl. VII, fig. 7-8
Synura adamsii G.M.Sm. p. 44
Synura uvella Ehrenb. p. 43
Tetradesmus wisconsensis G.M.Sm. p. 79 Pl. XVII, fig. 9-10
Tetraëdron arthrodesmiforme (G.S.West) Wolosz. p. 64
Tetraëdron arthrodesmiforme var. contorta Wolosz. p. 64 Pl. XIV, fig. 1-3
Tetraëdron arthrodesmiforme var. lobulatum Wolosz. = Tetraëdron constrictum G.M.Sm. p. 65
Tetraëdron bifurcatum (Wille) Lagerh. [author given as (Wittr.) Lagerh.] p. 64 Pl. XIV, fig. 4-6
Tetraëdron bifurcatum var. nudum G.M.Sm. p. 64 Pl. XIV, fig. 7-9
Tetraëdron caudatum (Corda) Hansg. p. 64 Pl. XIV, fig. 10-11
Tetraëdron caudatum var. longispinum Lemmerm. p. 65 Pl. XIV, fig. 12-13
Tetraëdron constrictum G.M.Sm. p. 65 Pl. XIV, fig. 14-15
Tetraëdron cruciatum (G.C.Wall.) West & G.S.West p. 65 Pl. XIV, fig. 16
Tetraëdron enorme (Ralfs) Hansg. p. 65 Pl. XV, fig. 1-2
Tetraëdron gracile (Reinsch) Hansg. p. 65 Pl. XIV, fig. 17
Tetraëdron gracile var. excavatum G.M.Sm. p. 65
Tetraëdron hastatum (Reinsch) Hansg. p. 65
Tetraëdron hastatum var. palatinum (Schmidle) Lemmerm. p. 65 Pl. XIV, fig. 18
Tetraëdron incus (Teiling) G.M.Sm. p. 66
Tetraëdron limneticum Borge p. 66 Pl. XIV, fig. 19
Tetraëdron lobulatum (Nägeli) Hansg. p. 66 Pl. XIV, fig. 20-21
Tetraëdron lobulatum var. polyfurcatum G.M.Sm. p. 66
Tetraëdron longispinum (Perty) Hansg. p. 66
Tetraëdron minimum (A.Braun) Hansg. p. 66 Pl. XIV, fig. 22
Tetraëdron muticum (A.Braun) Hansg. p. 66 Pl. XIV, fig. 23
Tetraëdron pentaedricum West & G.S.West p. 66 Pl. XV, fig. 3
Tetraëdron planctonicum G.M.Sm. p. 67 Pl. XIV, fig. 24
Tetraëdron pusillum (G.C.Wall.) West & G.S.West [author given as West & G.S.West] p. 67 Pl. XIV, fig. 25-26
Tetraëdron pusillum var. angolense West & G.S.West p. 67 Pl. XIV, fig. 27-28
Tetraëdron quadrilobum G.M.Sm. [spelling of epithet given in error as quadrilobulatum] p. 67 Pl. XIV, fig. 29
Tetraëdron regulare Kütz. p. 67 Pl. XIV, fig. 30-31
Tetraëdron regulare var. bifurcatum Wille p. 67 Pl. XIV, fig. 32-33
Tetraëdron regulare var. incus Teiling = Tetraedron incus (Teiling) G.M.Sm. p. 66
Tetraëdron regulare var. torsum (W.B.Turner) Brunnth. p. 67 Pl. XIV, fig. 34
Tetraëdron siamensis West & G.S.West p. 68 Pl. XIV, fig. 35
Tetraëdron sp. nov. p. 69 Pl. XIV, fig. 44
Tetraëdron staurastroides G.M.Sm. p. 68 Pl. XIV, fig. 36-37
Tetraëdron trigonum (Nägeli) Hansg. p. 68 Pl. XIV, fig. 38
Tetraëdron trigonum var. gracile (Reinsch) de Toni p. 68
Tetraëdron trigonum var. minor Reinsch p. 68 Pl. XIV, fig. 39-40
Tetraëdron trigonum var. papilliferum (Schröd.) Lemmerm. p. 68 Pl. XIV, fig. 41-42
Tetraëdron trigonum var. setigerum (W.Archer) Lemmerm. p. 68 Pl. XIV, fig. 43
Tetraëdron tumidulum (Reinsch) Hansg. p. 68 Pl. XIV, fig. 45-48
Tetraëdron victoriae Wolosz. p. 68 Pl. XIV, fig. 49-50
Tetraëdron victoriae var. major G.M.Sm. p. 68
Tetraspora gelatinosa (Vaucher) Desv. p. 52
Tetraspora lacustris Lemmerm. p. 52 Pl. IX, fig. 1-2
Tetraspora lubrica (Roth) C.Agardh p. 53 Pl. IX, fig. 3
Tetrastrum anomalum G.M.Sm. p. 79 Pl. XVII, fig. 11
Tetrastrum elegans Playfair p. 79
Tetrastrum heteracanthum (Nordst.) Chodat [spelling of epithet given as heterocanthum] p. 79 Pl. XVII , fig. 12
Tetrastrum staurogeniaeforme (Schröd.) Lemmerm. [spelling of epithet given as stauroginiaeforme] p. 79 Pl. XVII, fig. 13
Tetrastrum staurogeniaeforme var. longispinum G.M.Sm. p. 79
Tolypella glomerata Leonh. p. 140 Pl. XXXIX (all figures)
Tolypothrix lanata (Desv.) Wartm. p. 43 p. 43 Pl. VI, fig. 4
Tolypothrix tenuis Kütz. p. 43
Trachelomonas abrupta (Svirenko) Deflandre [author given as Svirenko alone] p. 145
Trachelomonas abrupta var. bonnieri Drezep. p. 145
Trachelomonas affinis Lemmerm. p. 145
Trachelomonas affinis var. levis Lemmerm. p. 145
Trachelomonas allia Drezep. p. 145
Trachelomonas armata (Ehrenb.) F.Stein p. 145
Trachelomonas armata var. steinii Lemmerm. p. 145
Trachelomonas elegans W.Conrad p. 146
Trachelomonas ensifera Daday p. 146
Trachelomonas hispida (Perty) F.Stein p. 146
Trachelomonas hispida var. coronata Lemmerm. p. 146
Trachelomonas hispida var. crenulatocollis (Maskell) Skvortzov p. 146
Trachelomonas hispida var. punctulatum Skvortzov p. 146
Trachelomonas hispida var. verrucosa Drezep. p. 146
Trachelomonas horrida C.Palmer p. 146
Trachelomonas horrida var. paucispina Prescott p. 146
Trachelomonas oblonga Lemmerm. p. 146
Trachelomonas obovata A.Stokes p. 147
Trachelomonas piscatoris (A.Fisch.) A.Stokes p. 147
Trachelomonas planctonica Svirenko p. 147
Trachelomonas raciborskii Wolosz. p. 147
Trachelomonas raciborskii var. punctata Prescott p. 147
Trachelomonas reticulata G.A.Klebs p. 147
Trachelomonas rugulosa F.Stein p. 147
Trachelomonas spinosa A.Stokes p. 147
Trachelomonas superba Svirenko. p. 147
Trachelomonas volvocina Ehrenb. p. 147
Trentepohlia odorata (F.H.Wigg.) Wittr. p. 89 Pl. XXII, fig. 6
Treubaria crassispina G.M.Sm. p. 69 Pl. XIII, fig. 5-6
Treubaria triappendiculata C.Bernard p. 69 Pl. XIII, fig. 9
Tribonema bombycinum (C.Agardh) Derbés and Solier p. 47 Pl. VII, fig. 9-10
Tribonema bombycinum var. tenue Hazen p. 47
Tribonema minus (Wille) Hazen [author given in error as (Wolle) Hazen] p. 47 Pl. VII, fig. 11-12
Tribonema utriculosum (Kütz.) Hazen p. 48 Pl. VII, fig. 13
Trichodesmium lacustre Kleb. p. 36 Pl. IV, fig. 3
Trochiscia aspera (Reinsch) Hansg. p. 69 Pl. XIII, fig. 11
Trochiscia obtusa (Reinsch) Hansg. p. 69 Pl. XIII, fig. 12
Trochiscia reticularis (Reinsch) Hansg. p. 69 Pl. XIII, fig. 13
Trochiscia sporoides (Reinsch) Hansg. p. 69 Pl. XIII, fig. 16-17
Ulothrix tenerrima Kütz. p. 81 Pl. XVII, fig. 21
Ulothrix variabilis Kütz. p. 81
Ulothrix zonata (F.Weber & D.Mohr) Kütz. p. 81 Pl. XVII, fig. 22
Vaucheria aversa Hassall p. 92 Pl. XXVI, fig. 1
Vaucheria dillwynii (F.Weber & D.Mohr) C.Agardh p. 92
Vaucheria geminata (Vaucher) DC. p. 92 Pl. XXVI, fig. 2
Vaucheria geminata var. racemosa (Vaucher) J.Walz p. 92 Pl. XXVI, fig. 3
Vaucheria hamata (Vaucher) DC. p. 92 Pl. XXVI, fig. 4
Vaucheria longipes Collins p. 93 Pl. XXVI, fig. 5
Vaucheria ornithocephala C.Agardh p. 93 Pl. XXVII, fig. 1-3
Vaucheria ornithocephala f. polysperma Heering = Vaucheria polysperma (Hassall) Mig. p. 93
Vaucheria orthocarpa Reinsch p. 93 Pl. XXVII, fig. 4
Vaucheria polysperma Hassall [author given as (Hassall) Mig.] p. 93 Pl. XXVI, fig. 6
Vaucheria repens Hassall = Vaucheria sessilis forma repens (Hassall) Hansg. p. 93
Vaucheria sessilis (Vaucher) DC. p. 93 Pl. XXVII, fig. 5
Vaucheria sessilis forma nov. (?) [given as var. nov. in plate caption] p. 93 Pl. XXVII, fig. 8-9
Vaucheria sessilis forma orthocarpa (Reinsch) Heering = Vaucheria orthocarpa Reinsch p. 93
Vaucheria sessilis forma repens (Hassall) Hansg. p. 93
Vaucheria sp. nov.? p. 94 Pl. XXVII, fig. 7
Vaucheria terrestris (Vaucher) DC. p. 93 Pl. XXVII, fig. 6
Volvox aureus Ehrenb. p. 49
Volvox globator L. p. 50
Volvox mononae G.M.Sm. p. 49
Westella botryoides (West) De Wild. p. 80 Pl. XVII, fig. 14
Xanthidium antilopaeum (Bréb.) Kütz. p. 139 Pl. XXXV, fig. 5
Xanthidium antilopaeum var. minneapoliense Wolle [varietal epithet misprinted minneapolense in plate caption] p. 139 Pl. XXXV, fig. 21
Xanthidium antilopaeum var. nov. (?) p. 139 Pl. XXXV, fig. 10
Xanthidium antilopaeum var. polymazum Nordst. p. 139 Pl. XXXV, fig. 11, 11a
Xanthidium concinnum W.Archer [epithet misprinted concinum in plate caption] p. 140 Pl. XXXV, fig. 17
Xanthidium cristatum Bréb. p. 140
Xanthidium cristatum var. uncinatum Bréb. p. 140 Pl. XXXV, fig. 19
Xanthidium hastiferum W.B.Turner p. 140
Xanthidium hastiferum var. javanicum (Nordst.) W.B.Turner p. 140
Xanthidium subhastiferum West p. 140
Zygnema cruciatum (Vaucher) C.Agardh p. 111
Zygnema insigne (Hassall) Kütz. p. 111 Pl. XXX, fig. 11-12
Zygnema pectinatum (Vaucher) C.Agardh p. 112
Zygnema pectinatum var. anomalum (Ralfs) Kirchn. p. 112
Zygnema stellinum (Vaucher) C.Agardh [author given as (O.F.Müll.) C.Agardh] p. 112