227 
Ooeystis marssoni Lemmerm. 
Polyedrium longispinum (Perty) 
Ihaphidium polymorphum Fres. 
Botryococcus brauni Kütz. 
Closterium turgidum Ehrb. 
Olosterium acerosum Ehrb. 
Closterium attenuatum Ehrb. 
Closterium. striolatum Ehrb. 
Olosterium moniliferum (Bory) Ehrb. 
Closterium didymotocum Gorda 
Closterium parvulum Ehrb. 
Closterium dianae Ehrb. 
Closterium linea Perty 
Closterium lunula Ehrb. 
Closterium ceratium Perty 
Closterium cornu Ehrb. 
Olosterium subpronum West., var. lacustre Lemmerm. 
Bambusina brebissoni (Kütz.) Nordst. 
Didymoprium borreri (Ralfs) 
Sphaerozosma pulchellum Archer 
Spirotaenia condensata Breb. 
Ankistrodesmus falcatus (Corda) 
Penium digitus (Ehrb.) 
Cylindrocystis brebissoni Menegh. 
Tetmemorus granulatus Ralfs 
Tetmemorus brebissoni (Meneg.) Ralfs 
Arthrodesmus incus (Breb.) 
Cosmarium botrytis Menegh. 
Cosmarium amoenum (Breb.) 
Cosmarium meneghini (Breb.) . 
Cosmarium phaseolus (Breb.) 
Cosmarium pseudopyramidatum Lund. 
Cosmarium venustum Rub. 
Cosmarium exiguum Arch. 
Euastrum binale (Turp.) 
Euastrum crassum (Breb.) Kütz. 
Euastrum ansatum (Ehrb.) Ralfs 
Micrasterias rotata Ralfs 
Mierasterias truncata (Corda) 
