SOUTHERN CALIFORNIA ACADEMY OF SCIENCES 23 
Culms slender, rough on the edge, 6-7 dm. tall; leaves flat, 
3-4 mm. wide, longer than the culms; spikes in oblong clusters, 
1-2 em. long, the lowest often on a short stalk; heads 8-10 cm. 
long, manifestly paniculate; scales shorter than the perigynia, 
ovate-acuminate; perigynia brown, ovoid-lanceolate, few nerved 
on the outer face, the narrow in-curved margins serrate above, 
spongiose at the rounded, stipitate base, 3 mm. long, the beak 
half the length of the body; achenes ovoid, lenticular, 1.5 mm. 
long. 
Growing in robust tussocks on the margins of streams, on 
the desert side of the San Jacinto and San Bernardino Mts. 
West Cafion, Palm Springs, 500 ft. alt., April, 1882, 1896; 1572, 
4144 Parish, the latter the type. Cactus Flat, head of Cushen- 
berry Canon, 4,500 ft. alt., May, 1882, June, 1895; 1773 B, 3724 
Parish. The only ecarex of the desert borders. 
** Spikes aggregated in ovoid or oblong heads; some spikes untsexual, or 
the plants diectous; rhizomes scaly, creeping. 
+Heads dense, greenish brown, ovoid usually nearly as wide as long; 
upper spikes simple, the lower compound, stigmas long; rhizomes brown, 
plants mostly dicecious. 
V 93. Carex Douglasii, Boott in Hook. Fl. Bor. Am. 213, t. 214 
W. Boott in Wats. Bot. Cal. 2:231. Bailey, Proc. Am. Acad. 
22 :138. 
Culms smooth, 4-30 em. tall; leaves 1 mm. wide, tapering to 
a long, slender point, exceeding the culms; bracts searious, 
broad and clasping at base, the strong green midvein mostly 
prolonged as a smooth awn; heads 2-4 em. long; spikes oblong, 
up to 1 em. long; scales longer than the perigynia, pallid, nar- 
rowly lanceolate, acute or cuspidate; perigynia castaneous, 
ovoid, strongly convex, wing-margined, 4 mm. long, the ser- 
rate, bidentate beak one-third the length of the body; achenes 
ecastaneous, orbicular, 1.5-2 mm. long. 
Summit of Mt. Pinos, Ventura Co., 8,800 ft. alt., July, 1905; 
4554 Hall. A species of high altitudes, extending north to 
Oregon, and east to Wyoming and New Mexico. 
++ Heads brown, ovoid to narrowly oblong, usually longer than wide; 
rhizomes black. 
v 24. Carex marcida, Boott in Hook. FI. Bor. Am. 212, t. 213. 
Culms, slender, roughish, 1.5-3 dm. tall; leaves 2 mm. wide, 
shorter than the culms; heads 1-1.5 em. long, 5-7 mm. thick; 
spikes ovoid, 5 mm. long, all but the upper often wholly pistil- 
late; bracts inconspicuous, seale-like, rough awned; seales as 
long as the perigynia, ovate, acute or euspidate; perigynia dark 
brown, ovoid, serrate above, sharp on the margins, 3 mm. long, 
