CATALOGUE OP CANADIAN PLANTS. 81 



Swamps, Winnipeg and North-west Angle Eoad; near Pincher Creek, 

 Alberta; at the Columbia Lakes and in the Columbia Valley, B.C. 

 {Dawson.') Eather common in fresh water marshes along Beaver 

 Creek Valley, at Stony Creek, Selkirk Mountains. (Macoun.) 



654. SCHEUCHZERIA, Linn. Gen. 482. (SCHEUCHZERIA) 



(2426.) S. palustris, Linn. ; Michx., Fl.I., 209 ; Pursh, Fl. I., 24Y ; 

 Hook., PI. II., 168. 

 Eather rare in most localities. Soft peat bogs, Eichibucto, Fred- 

 ericton, Tay's Mills, York Co. ; St. Stephen, and McAdam Junction, 

 N.B. (Fowler, Gat.) Mer Bleue, near Ottawa. (Fletcher, Fl. Ott.) 

 Marsh near Prescott Junction, Ont. ; rare. (Billings.) In a little 

 pond in north-western Seymour, and in a peat bog five miles north 

 of Colborne, Northumberland Co. ; very abundant along Gull Lake, 

 Victoria Co., Ont. (Macoun.) Mossy bogs, London, Ont. (Burgess. 

 Millman.) Parry Sound, Georgian Bay. (Burgess.) Between Trout 

 Lake and the Severn Eiver, Keewatin. (J. M. Macoun.) Between 

 Hudson Bay and Cumberland House ; and upon " The Height of Land," 

 Eocky Mountains. (Hooker, FL) 



655. LIL/EA, Humb. & Bonpl. 



(2427.) L. subulata, HBK. Nov. Gen. I., 222. 

 Heterostylus gramineus, Hook., Fl. II., 171. 

 Abundantin mud between high and low water, Somas Eiver, Alberni, 

 west coast of Vancouver Island. Water always fresh. (Macoun.) 



656. POTAMOCETON, Linn. Gen. 1Y4. (POND-WEED) 



(2428.) P. natans, Linn.; Michx., Fl. L, 101; Pursh, Fl. I., 120; 

 Hook., Fl. II., 171. 

 Quite common in lakes, ponds, and stagnant pools, throughout the 

 country. Cow Bay, and Halifax, N.S. (Sommers, Gat.) Marshes 

 near Cape Blomidon, N.S., and in lakelets, North Sydney, Cape Breton ; 

 in a pond at Salt Lake, Anticosti, and in lakelets along the Gasp^ coast 

 Q. (Macoun.) In slow flowing waters, Salmon Eiver, Kent Co., and 

 Clifton, N.B. (Fowler, Gat.) Eiver St. Pierre, near Montreal, 1821. ■ 

 (Dr. Holmes.) Abundant in the Eiver Eouge, in quiet places, Argen- 

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