136 GEOLOGICAL SURVEY OF CANADA. 



the description. The light colored auricles of the bracts, and white 

 perigynia with a purple emarginate tip, separate it from the var. 

 erecta of the preceding species. 



(2580.) C. alpina, Swartz. Lilj. Svensk. Fl., Ed. II., 26. 

 C. Vahlii, Schk. ; Hook., Fl. II., 216, (1840.) 

 C. media, R Br., App. Frankl. Narr., 763, (1823.) 

 C. alpina, var. nigrescens. Olney, Cat. Wheeler's PI., 53. 



Not uncommon northward, or on mountains. Crevices of rocks at 

 Jupiter Biver, and Ellis Bay, Anticosti; fall of Ste. Anne des Monts, 

 at the base of Mount Albert, Q. ; shores of Lake Nipigon, and the shore 

 of Lake Superior, at Port Arthur, Ont. (Macoun.) North shore of 

 Lake Superior. (Agassiz.} Moose Factory, James Bay. (Cottar & Dr. 

 Hayden.) Fort George, James Bay. (J. M. Macoun.) South Kootanie 

 Pass, Rocky Mountains. (Dawson.) Wet woods, Swan Lake House, 

 Man. ; woods along the route from Edmonton to Peace River and at 

 Lake Athabasca; occasionally met with in the Rocky Mountains, 

 westward to Kicking Horse Lake ; mountain woods at McLeod's Lake, 

 B.C., lat. 55. (Macoun.) Common in British America to Arctic 

 coast ; Rocky Mountains. (Hooker, Fl.} Lewes River, lat. 62, north 

 of British Columbia. (Dawson.) 



(2581.) C. Parryana, Dew. Sill. Journ. XXVIIL, 239, (1835); 

 Hook., Fl. II., 216, in part. 



C. arctica, Dew. Sill. Journ. XXVIL, 239, (1835.) 

 C. Hallii, Olney, Hayden's Rep. 496, (1871.) 



Abundant in the northern part of the prairie region, extending from 

 Portage la Prairie by Fort Ellice, Touchwood Hills, Fort Carleton, 

 and Edmonton, to Lac la Nun, near the Athabasca River; rather rare 

 along the Bow River, at Morley. (Macoun.} Carleton Fort. (Hooker, 

 FL) In the prairie region all the specimens have the terminal spike- 

 let androgynous ; in some of those from Lac la Nun, it is entirely 

 staminate, and in others androgynous. 



(2582.) C. virescens, Muhl. (1806) ; Pursh, Fl. I., 39, (1814.) 

 C. costata, Schweinitz, An. Tab. (1823.) 

 C. virescens, var. elliptica. Olney, Exsicc. III., 21, (1870.) 



In open grassy woods, western Ontario. Quite common in open 

 woods, Niagara Falls, Essex Centre, and Amherstburgh, Lake Erie. 

 (Macoun.) Low woods, near Leamington, Essex Co. ; and Point aux 

 Pins, Lake Erie. (Burgess.) 



