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CATALOGUE OF CANADIAN PLANTS. 81 



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

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

 {Dawson.') Bather 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., 247 ; 

 Hook., Fl. II., 1C8. 

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

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

 KB. {Fowler, Cat.) Mer Bleue, near Ottawa. {Fletcher, Fl. Ott.) 

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

 pond in northwestern Seymour, and in a peat bog five miles north 

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

 Victoiia Co., Ont. (Macoun.) Mossy bogs, London, Ont. {Burgess. 

 Mlllman.) Pariy 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. 

 Hekrosliilm (jramineu)', Hook., Fl. II., 171. 

 Abundantin mud between high and low water, Somas Rivei', Alberni, 

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



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



(2428.) P. natans, Linn.; Michx., Fl. I., 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, 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.) Eiver St. Pierre, near Montreal, 1821. 

 {Br. Holmes.) Abundant in the Eiver Rouge, in quiet places, Argen- 

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