THE ALGAE 



Dichotomosiphon tuberosus, Ernst.* This compara- 

 tively rare plant was found by the 

 writer in Wilcox Lake. 



Order Siphonocladiales. 



Family Cladophoraceae. 

 Cladophora fracta, Kg. 



glomerata, Kg. 



Order Charales. 



Family Characeae. 



Chara foetans.* In great abundance in Howard 

 Lake, Toronto Island, and elsewhere. 

 Probably other species as well. 

 " spec.* 

 Nitella flexilis.* 



" batrachospermum.* Found repeatedly in a 

 small pond on Toronto Island, south- 

 west of Lakeside Home. 



REFERENCES. 



Mackenzie, J. J. A Preliminary List of Algae Col- 

 lected in the Neighbourhood of Toronto. 

 Proc. of the Can. Inst, Toronto. 3rd Ser., 

 vol. VII, p. 270. 



Collins, F. S. The Green Algae of North America. 

 Tufts College Studies, vol. II, No. 3. Tufts 

 College, Mass. 



Tilden, J. Minnesota Algae, vol. I (The Blue-green 

 Algae of North America). 

 179 



