\ 
~ abundant on the plains and mountains. Hall & Harbour, 39; Dr. 
ee 
8 SYNOPSIS OF THE FLORA OF COLORADO. 
from D. aurea, which it most resembles, by its lack of stellular ~~ 
eee longer styles andthe more twisted silicles—In the mountai 
from 7-14,000 feet altitude. Alpine forms on dwarfed. Hall & Har. 
bour, 45; Par ry, Canby’; Brandegee ; Coulte 
eas CRASSIFOLIA, Grah. Scape naked or with a single leaf, 1/-3’ 
high; leaves lanceolate-linear, entire or somewhat serrate, ciliate vive 
simple hairs; calyx and pedicels glabrous; flowers small, yellow or white 
“motes a little gee the caly x, retuse; silicles ovate-elliptical, elnb: 
ous.—Hall & Harbour, 41. Sangre de e Cris to Pass, Brandegee. 
RABA NEMOROSA, n var. LUTEA, Gr. (D. lutea, DC.) Pubescent ; 
stem branching, leafy, G15! high, very slender, sometimes branching 
base ; pubescence simple or forked; leaves oval, cauline ones 
glabrous, about 4” long, one-third to one-half the length of the slender 
spreading pedicels. Alpine and subalpine.—Hall & Harbour, 42. Sierr. 
sor Range at 11-13,000 feet ep ee hae 
¥ LPINA, Porter. Dwarf. h, branching from the base; 
fruiting raceme short; flowers hits ‘pelicole alfoleers than the silicle es; 
stigmas distinctly 2- lobed. —Mount Lincoln, at 13,000 feet altitude, July, 
Coulter. 
tes CUNEIFOLIA, Ribs —Caiion City, ee 
Sisya JM CANESCENS, Nutt. Very variable he division of pe 
leaves and I the amount of "pubasseline, the latter aha branched.— 
common on the plains and in the mountains at all heights Hall b 
Harbour, 40; Dr. Smith; Meehan; Poree: Brandegee; Cou f 
YMBRIUM GLAUCUM, Nutt. Annual, glaucous, pat SC high, © 
much branched, leaves entire, radical ones small, vieataie: eauline 
ovate, sagittate ‘and clasping, rather acute; flowers minute, pale pote? ; 
petals cuneate-oblopg, twice as long as the sepals; silicles }’ long, g¢ 
brous; style almost none; seeds in a single or partly in a double series; 
cotyledons dadiiledl'y incumbent. 
South Park, July, 1872, Porter. A slender dwarf-form, 3’-4’in height, 
with smaller leaves and shorter siliques. 
SMEL ‘IA? CALYCINA, Meyer. (Hutchinsia, Desv.) Leaves mostly 
radical pe long petioles, deeply pinnatifid; flowers white, in dense — 
corymbs, the limb of the petal roundish; calyx Jjenetere! stem 4/-6° 
high, elongating in fruit. Alpine and subalpine. —Hali & Harbour, 43. — 
Mount Seong ae 1,300 feet altitude, July, Coulter . 
ERY IRANTHOIDES, L.— Hall & Baebes: 38. Twin Lakes — 
at 9, 000 fee: feet t altitnde, Porter... aa 
Erysmom ASPERUM, DC., var. ARKANSANUM, Nutt. —Variable and — 
4 Z ae “= 
Smith; Por deli agente 
Ns ar., PU Kings 3 a 5, : De: 
Sukiowalbic’ A. aaue Sepals short, equal; silicle rather short, narrowed a at 
eae! tetragonal or laterally ; Valves i gree submembra- 
nous, with included. filiform p and membrat o um; style sh pecs stign 
