Sehizoehlamys. 



(Telatinosa, A. Br; decorticans. 



Palmella. 



Mucosa, Kg; hyalina, Breb; uvaefor- 

 mis, K^. 



Porphyridium eruentum, Naeg. 



Gloeoeystis. 



Ampla, Kg; vesiculosa, Naeg; rufes- 

 cens, A. Br; rupestris, Rab. 



Nephrocytium. 



Agardhianum, Naeg; Naegelii, A. Br. 



Eaphidium. 



Polymorphum, Fres ; polymorphum, 

 var. falcatum (Corda), Rab; Braunii, 

 Naeg; convolutum, (Corda), Rab. 



Dimorphococcus eordatus, Wolle. 



Eremosphaera viridis, D. By. 



Zygosporeae. 



Spirogyra. 



Tenuissima, (Hass.), Kg; inflata, 

 (Vauch.), Rab; quadrata, (Hass.), 

 Petit; Weberi, Kg; Grevilleana, 

 (Hass.), Kg; calospora, Cleve; Hassal- 

 lii, (jenn.), Petit; quinina, (Ag.), 

 Kg; communis, (Hass.), Kg; Jur- 

 gensii, Kg; longata, (Vauch.), Kg; 

 nitida, (Dill.),' Link; bellis, (Hass.), 

 Cleve; orthospira, (Naeg.),Kg; crassa, 

 Kg; jugalis, (Dill.), Kg; dubia, Kg; 

 adnata. Kg; rivularis, Rab; majuscu- 

 la, Kg. 



Zygnema. 



Leiospermum, D. By; insigne, Kg; 

 stellium, Ag; anomalum, (Hass.), Kg. 



Mesocarpus. 



Scalaris, (Hass.), D. By; robustus, D. 

 By: nummuloides, Hass. 



Pleurocarpus mirabilis, A. Br. 



Staurospermum, capucinum. Kg. 



Craterospermum, laetevirens, A. Br. 



Desmidieae. 



Hyalotheca. 



Disilliens, (Smith), Breb: mucosa. 

 (Mert.), Rolfs. 



Bambusina Brebissonii, Kg. 



Desmidium. 



Baileyi, Wolle; quadratum, Nord; 

 cylindricum, Grev; aptogonium, Breb. 



Sphaerozosma. 



Pulchrum, Bailev; pulchellum, 



(Arch.), Rab: filiforme, Rab. 



Mesotaenium. 



Braunii, D. By; mierococcum. Kg; 

 Endlicherianuraj Naeg. 



Penium. 



Digitus, (Ehrb.), Breb; margarita- 

 ceum, Breb; interruptum, Breb. 



Closterium. 



Juncidum, Ralfs; Lunula, var. stria- 

 tum, Wolle; acerosum, (Schrank), 

 Ehrb; striolatum, Ehrb; costatum, 

 Corda; Dianae, Ehrb; Jenneri, Ralfs; 



parvulum, Naeg; Ehrenbergii, :Men- 

 egh. 



Docidium. 



Crenulatum, (Ehrb.), Rab; Baculum, 

 (Breb.), D. By; coronatum, Rab; 

 nodosum. Bail; minutum, Ralfs. 



Calocylindrus connatus, (Breb.), Kirch. 



Cosmarium. 



Constrictum, Delp; De Baryi, Archer; 

 granatum, Breb; globosum, Bulnh; 

 bioculatum, Breb; nitidulum, DeNot; 

 crenatum, Ralfs; pyramidatum, Breb; 

 pachydennum, Lund ; dentatum, 

 Wolle; amoenum^ var. tumid um, 

 Wolle; Phaseolus, Breb; Schliep- 

 hackeanum, Grun; subcrenatum, 

 Hantzsch; Broomei, Thwaites; com- 

 misurale, Breb; speciosum, Lund; 

 ovale, Ralf-s. 



Tetmemorus. 



Brebissonii, (Mengh.), Ralfs; granu- 

 latus, Ralfs; laevis, (Kg.), Ralfs. 



Xanthidium rectocornutum^ Wolle. 



Arthrodesmus. 



Convergens (Ehrb.), Ralfs; ovalis, 

 Wolle; orbicularis, Wolle; Incus, 

 (Ehrb.), Hass; octocornis, Ehrb. 



Euastrum. 



Crassum, (Breb.), Kg; ornatum, 

 Wood; oblongum, (Grev.), Ralfs; ver- 

 rucosum, (Ehrb.), Ralfs; ampulla- 

 ceum, Ralfs; didelta, (Turp.), Ralfs; 

 circulare, (Hass.), Ralfs; gemmatum, 

 Breb; insigne, Hass; Pokornyanum, 

 Gmn; inerme,Lund; Nordstedtianum, 

 Wolle; elegans. Kg; spinosum, Ralfs; 

 simplex, Wolle. 



Micrasterias. 



Torreyi, (Bailey), Ralfs; Pseudotor- 

 reyi, Wolle; radiosa, (Ag.), Ralfs; 

 papillifera, Breb; rotata, (Grev.), 

 Ralfs; fimbriata, Ralfs; furcata, 

 (Ag.), Ralfs; pseudofurcata, Wolle; 

 dichotoma, Wolle; Crux-Meliten- 

 sis, Ehrb; Americana, (Ehrb.), 

 Kg; Mahabuleshwarensis, Hobson; 

 truncata, (Corda.), Ralfs; conferta, 

 var. hamata, Wolle; laticeps, Nord; 

 oscitans, Ralfs; pinnatifida, (Kg.), 

 Ralfs; Kitchelii, Wolle; arcuata, 

 Bailey, expansa, Bailey; Baileyi, 

 Ralfs; foliacea, Bailey; muricata, 

 Bailey; Rabenhorstii, Kirch. 



Staurastrum. 



Multicum, Breb; multicum, var. 

 minor; multicum, var, ellipticum; or- 

 biculare, (Ehrb.), Ralfs; gi'ande, 

 Bulnh; ma jusculum, Wolle; dejectum, 

 var. convergens, Wolle; brevispina, 

 Breb; Dickiei, Ralfs; aristiferum, 

 Ralfs; cuspidatum, Breb; trihedrale, 

 Wolle; trifidum, Nord; avicula, Breb; 

 commutatum. Kg; Bieneanum, Rab; 

 marwaritaceum. 



