366 
BOTANY. 
est club-shaped ; bracts sometimes filiform, not equal to the spikelets ; stig- 
mas 2 ; perigynium ovate, gradually tapering to a beak from an ovate base, 
the orifice obliquely cut, winged, and serrated upon the margins above the 
middle, nerved upon both sides, tawny, quite equaling the ovate-lanceolate 
acute scale, which is whitish-hyaline with tawny margins ; achenium ol)Iong, 
lenticular, stipitate, shining, chestnut-colored, apiculate at the base of the 
style. Root woody-fibrous —Colorado, at 12,000 feet altitude, (599 and 600 
Vasey.) Highest peak of the Clover Mountains, Nevada, and in a rocky 
gorge of the Uintas above the head of Bear River; 11,000 feet altitude; 
August, September. (1,234.) 
Carex festiva, Dewey. Spike ovate or nearly round, naked or bract- 
eate, composed of 6-12 nearly round androgynous spikelets, staminate at 
base, closely aggregated into a head ; stigmas 2 ; perigynium ovate-ellipti- 
cal, tapering to a beak, the whitish-hyaline orifice obliquely cut anteriorly and 
finally bidentate, slightly nerved on both sides, winged, serrated on the mar- 
gins above the middle, rusty-tawny, a little exceeding or about equahng the 
lanceolate obtuse whitish-hyaline rusty-margined scale ; achenium oblong- 
obovate, abruptly apiculate, rusty-colored. Ca3spitose.— From Great Bear 
Lake to California, Colorado, (589 and 590 Hall & Harbour ; 586 and 587 
Vasey,) and New Mexico, (882 Fendler.) East and West Humboldt Mount- 
ains and intervening ranges of Nevada, and in the Wahsatch and Uintas; 
5-9,000 feet altitude ; June-August. (1,235.) 
4 Carex Haydeniana, Olney. Spike ovate or nearly round, composed of 
about six spikelets in a dense head staminate at base ; bracts scale-like and 
cuspidate ; perigynium ovate, tapering to a long beak with an obhquely cut 
orifice, membranous, compressed, winged, doubly serrate on the margins, 
faintly and few-nerved at base, yellowish, dark-purple at top or finally through' 
out, spreading, longer than the ovate acute hyaline-margined scale; achenium 
straw-colored, elliptic-lenticular. Root fibrous ; culm 4-8' high ; leaves flat 
rougli at top, narrow, shorter than the culm.— Allied to C. festiva. CaU- 
fornia, (5074 Bolander ;) Uinta Mountains, Eastern Utah, (Dr F V Hw 
den, 1870.) • • . xiay- 
Carex athrostachya, Olney. Spike ovate, straw-colored, rusty-tinged 
composed of 8-20 crowded spikelets, the lowest sometimes forming a re- 
mote distinct hoa<l ; bracts 3-5, leafy, involucre-hke, expanded at base into a 
hyaline margin, the lowest much longer than the culm; stigmas 2 ; periayn- 
