274 PROCEEDINGS OF THE CANADIAN INSTITUTE. 



CYANOPHYCE.E. 



JsOSTOCAOE^ — 



Mastigonema (Fisher), Kirch. 



M. aerugineum (Kg.), Kirch.; Humber. 

 Rivularia. 



R. dura, Kg. ; High Park. 

 Tolypothrix, Kg. 



T. flaccida, Kg.; Humber, 

 Nostoc, Vauch. 



N. commune, Vauch.; High Park and Don VaUey. 



N. coeruleum, Lyngb. ; High Park. 



Anabaena, Bory. 



A. flos-aquae. Kg.; Humber and High Park. 



A. stagnalis, Kg.; High Park. 

 Cylindrosi:»ermum, Kg. 



C. macrospermum, Kg.; High Park. 

 Lyngbya, Ag. et Thur. 



L. vulgaris (Kg.), Kirch.; Humber. 

 Oscillaria, Bosc. 



0. percursa. Kg.: High Park. 



O. Froelichii, Kg. 



var. fusca. Kg.; Humber. 



0. princeps, Vauch ; High Park. 



Chroococcace-c— 



Merismopedia, Meyen. 



M. glauca, Naeg. ; High Park. 

 Chroococcus, Kaeg. 



C. turgidus, Naeg.; High Park. 



