ea Ce. flava Le~ ._ > Tufted, with mmerous fibrous roots, 
' “the culms very slender and wiry, 15-40 om. tall, noarly ancoth; leaf=> =I 
blades noticeably shorter than the culms, flat, lightly ramghened on 
the margins,2-4 mm. wide; stamimte spikes sessile (shorily stalked, ver) 
_ usually neiitary, 8-15 mme long, 2-2.5 mme wide, brown; pistillate 
spikes 1-4, usually crowded or the lowermost remote, sessile or nearly so, 
mostly ovoid in outline, 8-15 mme log, 10-12 mm. wide, the crowled 
perigynia spreading and more or less deflexed; lower bracts often twice 
as long as the remainder of the culm, but usually spreading or deflexd; 
scales narrowly ovate, strongly acuminate, with green midribs and coppery 
margins, shorter than the perigynie; perigynia 5-6 mm. long, lightly 
inflated, yellowish, ribbed, abruptly narrowed into the beak which is 
2-toothed and deflexed, 1.5-2 mm. longy, continuous with the styles; 
stigmas 3. ; 
Upper Priest R. on sandbars, 3000 ft., Epling 7470. 
f 
45)> C. viridula Michx. -—__> Tufted, the culms 12-20 om. tall, 
: '“gnooth, bluntly triangular; leaf=blades 8-15 om. long, 1.5-3 mm. wide, 
channelled, the sheaths not prolonged at the throat; terminal spike 
usually staminate, nearly sessile, 8-12 mm. long; pistillate spikes 
few or numerous, mostly oblong, 5-8 mms long, 4-5 m. wide, sessile, 
Ww approximate, with spreading perigynia; bracts leaflike ascending, the 
lowermost longer than the inflorescence, sometimes as much as 10 om. 
long, sheathing at the base; scales, spreading, ovate, scarcely 2 mme 
log, mostly obtuse, cheffy, straw-color with a green midrib and thin 
margins; perigynia pale green, 2.5 mm. long, cbovate, many~veined, 
: tapering at the base and abruptly beaked, the beak about 1 mm. long, 
twice-toothed at the apex and whitish. 
Priest Lake; Sandpoint; Lake Pend Oreille, 
