706 CYPERACE./E CAREX 



1-1 y z lines wide, shorter than the stem; lower bract leaf-like, 6-12 lines 

 long: stamiuate spikes usually short-peduncled, about an inch long: pistillate 

 spikes 1-3, short-oblong, few-flowered: perigynia white or light colored, ob- 

 ovate, tipped with a rather stout 2 -toothed beak, hairy, shorter than the brown 

 scarious-margined acute ormucronate scale, In pine forests, eastern Wash- 

 ington and Oregon. 



C. deflexa Hornem. Plantel. ed. 3, i, 938. Very low and much tufted : 

 stems 1-6 inches high, setaceous, more or less curved or spreading: leaves 

 narrow, nearly equalling or longer than the stems : staminate spike min- 

 ute and nearly always invisible in the head; pistillate spikes 2 or 3, 2-5 

 flowered, green or green and brown, all aggregated into a small head, the 

 lowest one always more or less short-peduncled and subtended by a leafy 

 bract 4-6 lines long : perigynium very small, much contracted below, 

 tipped with a very small flat beak. Alpine prairies eastern Oregon to 

 Alaska, Greenland and Vermont. 



Var. media Bailey Mem. Torr. Bot, Club 1, 73. Rather stiff, 4-1$ 

 inches high, in dense tufts, most of the stems somewhat exceeding the 

 leaves: staminate spike prominent and erect, 4-5 lines long: pistillate 

 spikes 2-3, all scattered, the lowest ped uncled 'and subtended by a bract 

 which surpasses the stem. In. the mountains of eastern Oregon to Montana."* 



C. umbellata Schk. Reidgr. Nachtr. 75^ plpsely tufted and matted, 

 stoloniferous : stems filiform, 1-6 inches long', 1 erector reclining: leaves 

 % 1/ li ne wide, usually much exceeding the stems : staminate spike, 

 solitary, terminal 4-6 lines long commonly .conspicuous: pistillate spikes 

 1-3, all filiform peduncled from ihe basal sheaths or 1 or 2 of them sessile^ 

 or very nearly so at the base of the staminate, ovoid-oblong, several flow- 

 ered, 2-4 lines long : perigynia oval, finely pubescent, pale, obtusely 

 3-angled, tipped with a subulate 2-toothed beak nearly as long as the body,* 

 about as long as the ovate-lanceolate acuminate or* short-awned scales. 

 Oregon to the eastern states. 



C. globosa Boott Trans. Linn. Soc. xx. 125. Stoloniferpus : stems 

 4-16 inches high, very slender, scabrous, clothed at base with reddish 

 brown sheaths that break up into thread-like fibres: leaves firm, 1-2 lines 

 wide, the lower longer than the stem : lower bracts longer than the spikes : 

 staminate spike 6-12 lines .long, a line thick; pistillate spikes oblong, 

 loosely 2-9-flowered, 3-6 lines long, 2 lines thic, the upper sessile and 

 close to the staminate, the others remote and pedunculate, scales oblong 

 or lanceolate, acute or cuspidate, purple with green jnidrib and hyaline 

 margins: perigynium more or less purple, globose, produced at base, ab- 

 ruptly beaked with a bidentate orifice, hirsute scabrous, broader than 

 the scale. Washington to California. 



C. inops Bailey Proc. Am. Acad. xxii, 126. Stems slender, rigid, 

 sharply angled, a foot high, from long and erect rootstocks: leaves numer- 

 ous, rigid, narrow, long-pointed, about half as long &e the stem: spikes 

 3-4, all aggregated and sessile at the top of the stem, the lowest subtended 

 by a sheathless bract of about its own length, the terminal spike staminate, 

 about an inch long, the others half as long and staminate at the top : per- 

 igynia small, elliptic, brown below, very abruptly produced into a white 

 straight and deeply cut beak, scabrous below, ha'iry on the shoulders and 

 beak, about as long as the brown-centred broad acute scale. On sandy 

 ground among timber on Mount Hood. 



TRIBE vm PHYLLOSTACHYS Carey Gray's Man. 1848, 53K. 

 Spikes solitary, staminate above; pistillate flowers few, often 

 remote, usually on a more or less zigzag rachis : scales prolonged 

 and leaf-like or scabrous. 



