NATURAL HISTORY, TORONTO REGION 
Order Ulotrichales. 
Family Ulotrichaceae. 
Ulothrix zonata, Aresch. 
Family Oedogoniaceae. 
Oedogonium crassiusculum, Wittr. 
Bulbochaete intermedia, DeBary. 
ie gigantea, Pringsh. 
Family Chaetophoraceae. 
Chaetophora incrassata, Hazen. 
- elegans, Agardh.* In pools at Lorne 
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, Bréb. On under surface of 
lily pads, ete. 
Order Siphonales. 
Family Vaucheriaceae. 
Vaucheria dillwynii, Ag. 
a ornithocephala, Ag. 
sessilis, D.C. 
- geminata, D.C. 
a8 terrestris, D.C.* 
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