NATURAL HISTORY, TORONTO REGION 



Order Ulotrichales. 



Family Ulotrichaceae. 

 Ulothrix zonata, Aresch. 



Family Oedogoniaceae. 

 Oedogonium crassiusculum, Wittr. 

 Bulbochaete intermedia, DeBary. 

 gigantea, Pringsh. 



Family Chaetophoraceae. 

 Chaetophora incrassata, Hazen. 



" elegans, Agardh.* In pools at Lome 



Park. 



Stigeoclonium nanum, Kiitz. (?) 

 Draparnaldia glomerata, Agardh. 

 Pleurococcus vulgaris, Men. Constitutes the green 



coating on tree trunks, damp walls, 



etc., everywhere. 



Gloeocystis fenestralis, A. Braun.* In greenhouse. 

 Chaetosphaeridium globosum, Klebahn. 



Family Coleochaetaceae. 



Coleochaete scutata, Breb. On under surface of 

 lily pads, etc. 



Order Siphonales. 



Family Vaucheriaceae. 

 Vaucheria dillwynii, Ag. 



ornithocephala, Ag. 

 sessilis, D.C. 

 " geminata, D.C. 

 " terrestris, D.C.* 

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