PLANTS OF GEORGIAN BAY 211 



SESSIONAL PAPER No. 39b 



Draparnaldia acuta, Kuetzing. In pools with Tetraspora lubrica on a bush road 



near Mar, May 10; Stream near Wiarton May 19; Stream near Golden Valley, 



June 1. 

 Draparnaldia glomerata, Agardh, Swale, Colpoy's Bay, May 20: Swamp, Golden 



Valley, June 1. 

 Pleurococcus vulgaris, Meneghini. Common on trees, walls, etc. 

 Tretepohlia aurea, Martins. Scarce on limestone rocks in Populus-Thuj a scrub 



along Mar road, June 20: forming bright orange velvety cushions from 1 to 2 



dm. in extent; forming light orange-colored patches on rocks along the shore 



road at Colpoy's Bay. 

 Cladophora callicoma, Kuetzing. Scarce in stream at Colpoy's Bay. 

 Vaucheria sessilis, D. C. Common in swale along Wiarton road, oospores not yet 



mature, June 23. 

 Vaucheria geminata racemosa, Walz. Swamp near Boat Lake, June 15. 



39&— 14 11 



