712 CYPERACE^E CAREX 



membranous pale brown scale : stigmas 2. In swamps and wet woods, 

 Oregon to Brit. Columbia and across the continent. 



C. Deweyana Schwein. Ann. Lye. N. Y. i, 65. Stems slender* 

 spreading, nearly or quite smooth, 1-2 feet long : leaves 1-2 lines wide, flat, 

 soft, shorter than the stem : spikes 3-6, oblong or subglobose, few-flowered, 

 2-3 lines thick, distinctly separated or the upper ones contiguous : stamin- 

 ate flowers basal : perigynia lanceolate or ovate-lanceolate, thin, tapering 

 above to a rough strongly 2-toothed beak half as long as the body, equal- 

 ling the hyaline-margined broadly ovate acute or cuspidate scale : stigmas 

 2. In wooded districts, California to Alaska and across the continent. 



Var. Bolanderi W, Boott Bot. Cal. ii, 236. Stems stouter and 

 leaves broader : spikes 4-10, with more numerous flowers : scales hispid- 

 awned. With the type, Washington to California. 



2 OVALES Kunth Enum. PI. ii, 394. Spikes tawny or 

 dark, rather large, sometimes crowded. Perigynia with a more 

 or less winged margin which is mostly incurved at maturity mak- 

 ing thern concave. 



C. siccata Dewey Am. Journ. Sci. x, 278. Rootstock long and stout : 

 stems slender, erect, 1-2 feet high: leaves about a line wide, the upper 

 sometimes exceeding the stem, the lower short : bracts short or the lower 

 bristle-like and elongated : spikes 3-6, oblong or subglobose, 3-4 lines long, 

 brownish, clustered or more or less scattered : staminate flower variously 

 situated or whole spikes staminate: perigynia ovate-lanceolate, less than 3 

 lines long, wing-margined, tapering to a rough beak nearly as long as the 

 body, about equalling the ovate-lanceolate membranous acute or acumin- 

 ate scale: stamens 2. In dry ground, California to Brit. Columbia and 

 New York. 



C. pratensts Drejer Rev. Crit. Car. 24. Stems slender, erect when 

 young, the summit at length nodding, 12-18 inches high : leaves about 1 

 line wide shorter than the stem: spikes 3-6, oblong or club-shaped, scat- 

 tered or the upper contiguous, silvery-brown, shining, 3-5 lines long, less 

 than 3 lines thick, several-flowered: staminate flowers basal: perigynia 

 lanceolate, thin, pale, wing-margined, tapering into a beak nearly as long 

 as the body, about as long as the lanceolate acute or acuminate membran- 

 ous scale : stigmas 2. Eastern Oregon to Alaska, Labrador andthe Rocky 

 Mountains. 



C. straminiformis Bailey Mem. Torr. Bot. Club i, 24. Stems 6 inches 

 to 2 feet high, obtusely angled, nearly smooth : leaves flat, 1-2 lines wide, 

 shorter than the stem: heads variegated, pale green and chestnut, 6-12 

 lines long, 6-10 lines thick, oblong, trians;ular-ovoid or subspherical, of 

 3-8 crowded ellipsoidal spikes : scales chestnut-color, pale in the middle, 

 with narrow hyaline margins ovate, acute: perigynia broadly ovate or 

 roundish, abruptly attenuate to a sharp minutely bidentate beak, broadly 

 wing-margined to the base, the wings finely serrate, longer and broader 

 than the scales. In dry soil on the high mountains, Washington to Calif. 



C. feta Bailey Bull. Torr. Bot. Club xx, 417. Stems slender, 1-3 feet 

 high : leaves 2 lines wide, shorter than the stem : heads ovoid or oblong, of 

 4-12 crowded or contiguous, spikes, naked or the lowest with a setaceous 

 bract with a dilated base: perigynia pale fulvous, lanceolate, attenuate, 

 rather sharply bidentate, winged, nearly 2 lines long, broader than the 

 membranons fulvous lanceolate acuminate scales. In swales, Washington 

 to California. 



C. leporina L. Sp. 973. Stems slender, erect, roughish above, 12-18 

 inches high : leaves about 1 line wide, flat, shorter than the stems : bracts 



