I 



51 



'% 



65. — Carex triangularis, Boeckl. Flora, 1856, 226; Linnaea, 



xxxix. 96 (1875). 



C. vtdpiiwidca, van, Boott, 111. t. 409, f. 2 (1862). 



C. vidpinoidca^ var. platycarpa, Olney, Hall's PL Tex, 25 

 (1873), V. s.; Bailey, Coulter's Man. 392 (1885). 



C vulpinoidea, var. Drmnmo7idiana, Boeckl. Linn^a, xxxix. 

 96 (1875), V. s. Hb. Berol. 



More slender than C, viilpinoidca, but strict ; spikes fewer, 

 strictly simple, more or less scattered, green or light brown, 

 truncate at the top ; bracts few and usually inconspicuous or want- 

 ing above the lowest ; perigynium larger than in C, viilpinoidea, 

 very broad, prominently spreading, nerved and usually minutely 

 dotted. Indian Territory to Louisiana and Texas. 



^ 



"J 66. — Carex festiva, Dewey, var. STRICTA. 



Culm long and rather stiff (2 to 2^ ft.), exceeding the leaves ; 

 leaves stiff and the lower ones short, as in C, strammca\ head 

 very dense, globular or short-ovoid, light brown (^ to i in. 

 long) ; perigynium broad, more or less nerved. California, Pal- 

 mer 389, Kellogg dind Harford loji ; Buck Creek, Oregon, Hozvcll 

 938. Aside from the congested head, this plant has the appear- 

 ance of C. strammea. 



4 Var. VIRIDIS. 



Culm very long and lax (3 ft. or more) ; leaves shorter than 

 the culm but loose and lax ; head very dense, globular or nearly 

 so; perigynium very thin, green, broader and twice longer than 

 the brown muticous scale and therefore giving the head a green 



appearance. Montana: 16 mile Creek, Scribner 315 ; Park Co., 



Tweedy. Perhaps a good species. 



^ Var. pachystachya. 



C, pachystachya, Chamisso; Steud. Plant. Cyp. 197(1855), 

 v» s. Hb. Lenorm. 



Culm more or less prolonged (i to 3 ft.), flat and weak, longer 

 than the lax leaves ; head small, globular or oblong, dull dark 

 brown, the spikes often somewhat distinct, very short; perigyn- 

 ium spreading, about the length of or somewhat longer than 

 the ovate-lanceolate muticous brown scale. Park Co., Montana, 



Tzveedy ; Portland, Oregon, Henderson ; Alaska, Chamisso, 



