SYNOPSIS OF THE FLORA OF COLORADO. 141 
margin, the lowest much longer than the culm; stigmas 2; perigynium 
ovate- lanceolate, se opint into along bitid beak, spongy at base, Ww inged, 
>t a 
serrate aud waved on the margins, slightly nerved, shor 
nearly equaling the oa ate- lanceolate acuminate scale, whi o is ae 
branous with bright rusty-colored m —Colorado, 587, Fates. 
AbusTA, Boott.— Hall & ica” 
AREX se re Schk.—Denver, B. H. Smith. Near Colorado 
Sivitan, Port 
CAREX TENERA, Dew. Culm 15/30’ high, slender, somewhat 5-sided, 
leaty towards the ba ase; leaves much shorter than the culm ; spikelets 
small, somewhat clavate, distant, nodding or erect; perigy nia ov — 
compressed, beaked, subulate, nerved, ciliate-serrate, lon than the 
oblong-lanceolate scale.— the erect form, No. 14 of Olne - aie Bor. - 
"iat opes 
REX LIMULA, pas , (not of Gray’s Manual.) Culm 2°-24° high, 
i. a ately angled ; leaves ere ect, flat, rough on the margins, the sheathing 
i base-leaves not ‘abeillose: spikelets erect, a the terminal one (or some- 
times two) staminate, the remainder pistillate, often with staminate 
flowers at the apex, oblong, cylindrical, the lowest pedunculate; bracts 
Re ti 
leafy, surpassing the culm, with small blackish auricles; stigmas 2; 
_ perigynium oblong, compressed, faintly perry exceeding or equaling 
the black oblong single-nerved scale; ac a cite compressed 
—Colorado, at 11 ,300 feet altitude, Vasey, 5 382. 
CAREX JAMESII, Torr. Whole plant glaucous; culm 8/20! —_ 
leaves broad, eathery, shorter than the e culm, ample ectant at base 
lower spreading and then ineurved, with pale inc ene ere elets 56, 
4 the lowest sometimes pedunculate or rarely radical on a long peduncle, 
the two upper ones staminate, blackish- purple, (the stamens brick-col- 
| 
wers ; bracts leaty, not usually sheathing, the lowest sometimes short- 
th 
vaginats n e culm; stigmas 2; pe hla obovate, 
strongly nerved, glaucous or light-brown, the beak bidentate or emar- 
gin i he mouth slightly aimed t or toothed, longer than 1r- 
plish-black scale, whic é sh-white midrib; achenium orbic- 
ular.—Monument Park, Porter. Weston’s Pass and Twin Lakes, Coulter. 
Var. Olney. (C. Nebraskensis, Dew.) Root stoloniferous; culm 16/— 
. 24’ high; leaves broad, leathery, erect, nearly equaling the culm ; spikes 
| rusty-colored ; perigynia spreading, shorter the acute, lanceolate, dark- 
rusty scales.—Greene e. Oak Creek, Brandegee. 
2 CAREX RIGIDA, Good.— Hall & Harbour, 588 in part. 
- CAREX eigen Wahl.— Hall & Harbour, 619. 
Sager TRATA, L.—Hall & Harbour, 588 in part. South Park, Canby. 
t La Plata, at 12,000 feet altitude, and Motink Lincoln, at the same 
: Gavuson oulter. 
. Var. OVATA, Boott. Spikes 3, oblong (the lower porate ag shed 
. staminate Hlowers) a purple ; oy i glaucous-green.—Hall & Har 
, bour, 58 of Pike’s Pea Ye 
Var. Boott. Spikes Lsheobabd crowded or aggregated or the 
lowest distinct sessile; perigynia oval or elliptical, cylindrically-rostrate, 
thed ma rgins of the bene; especi ially « above; stigmas 2-3. 
—Hall & Harbin 577. Gray’s Peak, Dr. Smith. Canby ; Brandegee < 
Meehan, White House Mountain, at 11,000 feet altitude, Coulter. 
a 
