706 CyPERACE^ cakex 



1-1)4 lines wide, shorter than the stem; lower bract leaf-like, 6-12 lines 

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

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

 ovate, tipped with a rather stout 3-toothed besJi, hairy, shorter than the brown 

 scarious-margined acute or muoronate scale, In pine forests, eastern Wash- 

 ington and Oregon. 



C. deflexa Hornem. Plantel. ed. 3, i, 9S8. 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. 



Yar. media Bailey Mem. Torr. Bot. Club 1, 73. Uather stiff, 4-12 

 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 peduncled and subteijidod by a bract 

 which surpasses the.steip. In the mountains of eastern Oregon to Montana. 



C. nmbellata.Schki Eeidgr. Nachtr. 75. Closely tufted and matted, 

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

 j^ — 13^ line wide, usually jnuch exceeding the stems : staminate spike, 

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

 1-3, all filiformpeduncled from the basal sheaths or 1 or 2 of them sessile 

 or very nearly so at the base of the staminate, ovoicj-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 shortawned scales. 

 Oregon to the eastern states. 



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

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

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

 wide, the lower longer than the stem : lower bracts longei' 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 thick, the upper sessile and 

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

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

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

 ruptly beaked with a bidentate orifice, hirsute scabrous, broader" th^n 

 the scale. Washington to California. 



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

 sharply anglesd, a loot, high, from long and erect rootstocks : leaves ndmer- 

 ous, rigid, narrow, long-pointed, about half as long as 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,)ong, 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, hairy 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, 538. 

 Spikes solitary, staminate above ; pistillate flowers few, often 

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

 and leaf-like or scabrous. 



