374 GEOLOGICAL SURVEY OF CANADA. 



Vai-. oocidentalis, Bailey, MS. N. Var. 



Head lighter coloured than in the species; spikes more pointed; 

 scales thin, whitish, very sharp and as long as, or longer than the peri- 

 gynium. Guichon Creek, Mcola Valley, B.C. 1888. (Dawson.) 

 Borders of saline marshes around Kamloops, B.C. 1889. {Macoun.) 



(2529.) C. Douglasii, Boott; Macoun, Cat. IV.. 115. 



Abundant and in fine truit on the dry arid plain between the 

 Ferry and the North Thompson, opposite Kamloops, B.C., June, 1889. 

 (Macoun.) 



(2530.) C. marcida, Boott; Macoun, Cat. IV., 115. 



Quite common on the dry Hats by the Thompson River at Spenco's 

 Bridge and Kamloops, B.C. 1889. (Macoun,) 



Var. alterna, Bailey, M8. N. Var. 



"Tall and very slender, the culm even Hexuosc ; spikes sni:ill and 

 scattered, the lower ones a half inch or more separated and the head 

 often 2 inches long ; perigynium lance-ovate, longer than in the species 

 and more sti-ongly neived. especiallj- on the outer side, and strongly 

 stipitate." In dry gravelly soil along .Shuswaji Lake near Scotch 

 Creek, B.C., June ]8th, 1889. (Macoun.) 



(2533.) C. teretiuSCUla, Good., vai-. ampla, Bailey. Mem. Torr. 

 Bot. Club. ]., 53. 



" Very huge and stout, growing three liBCt or mure high in dense tufls; 

 heads laige (2 to 3 in. long), much lu-anched, chatty; perigynhitn twice 

 larger than in the 8j)ecies. nerved on the back, shining at maturity, 

 produced into a long beak." Quaking bog. on the border of Burnaby 

 Lake, near Vancouver City, B.C., April 19th, ISSO. (J. M. Macoun.) 



(2543.) C. Hookeriana, Dewey; Bailey. Mem. Ton-. Bot. Club, 

 I., U. 



C. muricala, var. ijracili!:, Boott; Macoun, Cat, 1\'., 118. 



■■ Very slender; head interrupted, castaneous, small, the spikes some- 

 times alternately arranged ; bracts of the two or three lower, spikes 

 produced into long awns, which sur])a8s the spikes; perigj-nium small, 

 green, usually lightly nerved, gradually produced into a beak which is 

 cut into sharp awl-like teeth." See Part IV. for distribution. 



