120 GEOLOGICAL SURVEY OF CANADA. 



(2547.) C. stenophylla, Vahl. (1803); Hook., Fl. 11., 211. 

 C. duriuscula, C. A. Meyer, Cyp. Nov., 214, (1831.) 

 Not uncommon throughout the prairie region, from Portage la 

 Prairie westward to Kananaskis Station in the Eocky Mountains. 

 (Macoun.) Prairie west of Turtle Mountain, Man. (Dawson.) Carleton 

 House, on the Saskatchewan; Eocky Mountains. (Hooker, Fl.) 



(2548.) C. chordorhiza, Ehrh.; Hook., Fl. II., 211. 



C.fuMcoma. Dew. Sill. Journ. XXIX., 249, (1836) ; Hook., Fl. II., 211. 

 Peat bogs and marshes, generally northward. Shippegan, 2f.B. 

 {Say) Lakeville, Carleton Co., N.B. (Brittain.) Salt Lake, and 

 Ellis Bay, Anticosti; marsh at the mouth of the Kaministiqua, on the 

 left bank. (Macoun.) Marshes, London, Ont. {Burgess. MiUinan.) 

 Lake Mistassini, N.E.T. (J. M. Macoun.) Peat marsh. Telegraph 

 Trail, lat. 54°, B.C. (Macoun.) Hudson Bay to Cumberland House; 

 Lake Winnipeg, Norway House and Cumberland House, Saskatchewan 

 Uiver. (Hooker, Fl.) 



t t Spikelets male at bottom. 



'(2549.) C. festlva, Dew. Sill. Journ. XXIX., 246, (1836); Hook., 

 Fl. H., 215. 



C. oreade^, C. A. Meyer, Bull. Acad. Brux. IX., 248, (1S42). 

 Very abundant from the prairie region westward to the Pacific 

 coast, in thickets and meadows. White Mud River, 49th parallel : 

 Michel Creek, Crow Nest Pass, Eocky Mountains. (Dawson.) In 

 coulees and willow clumps. Cypress and Eagle Hills, and northward to 

 Lesser Slave Lake ; common in damp meadows and thickets, from 

 Morley through the Rocky and Selkirk mountains, and northward in 

 British Columbia; very abundant in meadows and thickets througliout 

 Vancouver Island. (Macoun.) Cumberland House to Bear Lake ; 

 Rocky Mountains. (Hooker, Fl.) Fraser River, near Yale, B.C. 

 (Fletcher.) Lake Lindeman, lat. 59°, B.C. (Dawson.) Shuswap Lake, 

 B.C. (Prof. Fowler.) Greenlaml. (Lange.) 



Var. Haydeniana, W. Boott, Bot. Calif II., 2.'^4, (1880.) 



a Haydeniana, Olney, Bot. King's Exp. V., 364, (1871.) 

 On the summits of the higher Rocky Mountains, from Castle Mt. to 

 Kicking Horse Lake. (Macoun.) 



Var. gracilis, Olney, Proced. Am. Acad., 407, (1872.) 



On the beds of " snow slides" at the summit of the Selkirk Moun- 



