CATALOGUE OF CANADIAN PLANTS. 123 



SwaD Lake House, Man. (Macoun.) Borders of a peat bog near 

 London, Ont. (Burgess. Millman.) Canada to Norway House, Lake 

 "Winnipeg. (Hooker, Fl.) 



(2556.) C. canescens, Linn. Sp. IT., 974, (1757.) 



Ccwrta, Good. (1792); Hcol<., Fl. II., 214 ;:Pur8h, Fl. I., 37; Michx., 



FI. I., (1803.) 

 C. vitilis, var. pallida, Olney, Bot. King's Exp. V., 364, (1871.) 



Very common under various forms in bogs and swamps from the 

 Atlantic to the Pacific. Brigus, Newfoundland. (R. Bell.) Coast 

 of Labrador. [McGill Coll. Serb.) Common in bogs at Truro, 

 Windsor, and Halifax, N.S. (Macoun. & Burgess.) Magdalen Islands. 

 (J. Richardson.) Common at Bass Rivor ; Lily Lake, N.B. (Fowler, 

 Cat.) Chipman, N.B. (Wttmore.) Ouatchechou, Q. (St. Cyr.) 

 Tadousac, Q. (A. T.Drummond.) Swamps, vicinity of Ottawa. (Fletcher, 

 Fl. Ott.) Common in swamps at Prescott, Ont. (Billings.) Marshy 

 spots in meadows, along margins of ponds, and in peat bogs, through- 

 out central and noi-thern Ontario to Lake Nipigon, and west of Lake 

 Superior. (Macoun.) Swamps, London, Ont. (Burgess.) Wet places, 

 Emerson, Man. (Millman.) Lake Mistassini, N.E.T. (./. M. Macoun.) 

 North end of Lake Winnipeg. (R. Bell.) Apparently rare in the 

 Rocky Mountains, only observed at Kicking Horse Lake, and at Six 

 Mile Creek, in the Selkirk Mountains; bogs northwai-d up the Fraser 

 River, B.C. (Macoun.) Ilgacho Brook, B. C. (Dawson.) On the 

 borders of ponds and lakes throughout Vancouver Island, though far 

 from common. (Macoun.) Arctic sea-coast and Methy Portage. 

 (Richardson.) Common in British America. (Hooker, Fl.) Sitka. 

 (Rothr. Aloik.) Greenland. (Lange.) 



A curious form, with the spikes gathered in a glomerate almost 

 triangular head, was collected at Langford Lake, Vancouver Island, in 

 June, 1887. 



Var. vulgaris, Bailey, ined. (1888.) 



C- canescens, var. alpicola, American authors, in part. 



Differs from the species in its more slender culm, and laxer habit, 

 its small spikes and usually smaller and spreading perigynia. The 

 commonest form of 6'. canescens. Abundant in swamps and wet meadows. 

 Common through the Northern States, east of the Mississippi and adja- 

 cent Canada. (Bailey.) Common at Bass River, Carleton Co., and 

 rather common at Salmon River, N.B. (Fowler, Cat.) Bogs at Salt 

 Lake and Ellis Bay, Anticosti. (Macoun.) St. Charles Island, Mingan, 

 and Ouatchechou, Q. (St. Cyr.) Bogs, vicinity of Ottawa. (Fletcher, 

 Fl. Ott.) Cedar swamps, Dummej-, Peterboi'o Co. ; north-east coast of 



