PLANTS OF GEORGIAN BAY 205 



SESSIONAL PAPER No. 39b 



Botryococcus Braunii Kutz. 

 Tetraspora lubrica (Roth) Agardh. 

 Pandorina morum (Mull) Bory. 



In washings from a submerged moss from Go Home River near the chute . 



Protococ cedes. 



Pleurococcus vulgaris. Meneg. 



In scrapings from back of a large Snapping Turtle. 

 Selenastrum acuminatum Lagerh (Conn & Webster's Fresh Water Algae of 



Conn) . In washings of Nitella from Louden's Bay. 

 Palmodictyon viride, Kutz — with above. 

 Scenedesmus quadricauda (Turp) Breb. 

 S. obliquus (Turp) Kutz. 

 S. bijuga (Turp) Wittr. 



With the next in surface plankton. 

 Rhaphidium convolutum (Corda) Rabenh. 

 Schizochlamys gelatinosa A Br. 

 Tetracoccus botryoides West, as described in West. 

 Coelastrum cambricum Archer. 



C. sphaericum Nag. 



These are frequent in collections. 

 Dimorphococcus cordatus Wolle. 



Plentiful. 

 Pediastrum Boryanum (Turp) Meneg. 

 P. tetras. Ehrenb. 



P. Ehrenbergii A. Br. An unsymmetric specimen noted. 

 P. sp. 



A symmetrical non-clathrate form of 64 cells, bearing on the outer margin 



slender projections, each with a well-marked capitellate termination. 



Very similar to the portion of P. glanduliferum Benn. as figured by West. 



Found in washings from Limnea and other Crustacea. 



Confervales. 



Confervaceae. 



Ophiocytium capitatum Wolle 



In surface plankton but infrequent. 

 Char».cium heteromorphum (Reinsh) Wolle. 



Attached to (Edogonium. 

 Chlorobotrys regularis (West) Bohlin. 



In washings from Nitella. 

 Dictyosphaerium Ehrenbergianum, Nag. 



D. reniformis, Bulnh. 



Both of these frequent in collections. 



