CATALOGUE OF 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) Rather 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., PI. I., 209 ; Pursh, PL I., 247 ; 



Hook., PL II., 168. 



Bather rare in most localities. Soft peat bogs, Richibucto, Fred- 

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

 KB. (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 Col borne, Northumberland Co. ; very abundant along Gull Lake, 

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

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

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

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

 Rocky Mountains. (Hooker, FL) 



655. LIL/EA, Humb. & Bonpl. 



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



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



Abundant in mud between high and low water, Somas River, Alberni, 

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



656. POTAMOGETON, Linn. Gen. 174. (POND-WEED) 



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



Hook., PL II., 171. 



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

 country. Cow Bay, and Halifax, N.S. (Sommers, Cat.) 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 River, Kent Co., and ! 

 Clifton, N.B. (Fowler, Cat.) River St. Pierre, near Montreal, 1821.. 

 (Dr. Holmes.) Abundant in the River Rouge, in quiet places, Argen- 

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