bo 
2 SYNOPSIS OF THE FLORA OF COLORADO. 
branched; leaves palmately 3-foliolate; leaflets 4-1’ long, linear-lanceolate 
or ellipt tical- oblong, rather obtuse, sli ightly mucronate, sessile; peduncles — 
longer than the leaves ; raceme shor t, 6-15-flowered; calyx- teeth minute, 
acute; corolla 3” long, bluish ; le mace globose, sparingly hir ang cov- 
ered yet oe r dark-brown glands. —Hall & Harbour, 101; Dr. Smith; 
B. H. Sm Vv big abundant on the plains around ihenwat and Colorado 
a Porte 
RALEA DIGITATA, Nutt. Canescent, esac a branched, branches 
itiador: leaves 5- foliolate; leaflets cuneate- oblong and oblong- linear with 
an n abrupt, rigid point, 1’ long, 2”_4” wide, smooth and minutely dotted 
above, hirsute beneath, longer than the ‘ocielahs stipules lanceolate, re- 
flexed; spikes short, interrupted, on very long peduncles, the clusters 
3-6 flowered ; flowers sessile; bracts obcordate or reniform ; calyx villous, 
half as long. as the ruil. segments ovate, acuminate, the lowest one 
produced ; ~ vexillum roundish. obovate; legume orbieular- ovate, com- 
— Kiennte, mek = seeds ovate. ny MERON River, Dr. Bell. 
PSORALEA FL me utt—Dr. Smith; B. H. Smith; Porter. 
ondant pee the ren of | the Platte, Coulter. "Wal ll & Harbour, 102. 
PSORALEA ARGYOPHYLLA, Pursh. waaiad & Harbour, 103; Bor ter. 
PSORALEA CUSPIDATA, Pursh. (P. eryptocarpa, T. & G.) Stem 19-2° 
high, terete, branched, canescent with appressed pubescence; leaves 
S-foliolate; leaflets obovate or elliptical-oblong, 1/-14’ long, obtuse of 
acutish, mucronate, about as long as the e petiole, minutely dotted, pube- 
sce Ken stipules subulate ; peduncles much longer than the leaves; spikes | 
ob 
| 
p 
ovate or oblong, flow wer-cluster s crowded; flowers blue; bracts Aedes 
Hee Aas shorter than the flower; calyx large, som mewha t inflated, gib- 
bous at the base, conspicuously dotted, teeth triangular lanceolate, acu- 
minate, two upper ones united to the middle, the lower one produced ; 
legume ovate, membranaceons, searcely pointed, not wrinkled, hid in | 
the large calyx.— Purgatory River, Dr. Bell. . 
PSORALEA H¥POG AA, Nutt. Acaulescent; root tuberous, oblong, edi- | 
ble, about 1/ long ; stemless, hirsute with whitish appressed hairs; ; leaves ; 
5-7 foliolate; leaflets linear-lanceolate or linear-oblong, usually acute, 
1’-14’ long, D3" Ww wide, nearly glabrous above; spikes capitate, on | 
peduncles much shorter than the petioles; bracts lanceolate; calyx 
cleft below the middle, segments linear, ayn phy the lowest lanceo- 
late, elongated ; corolla pale-blue; banner oblong, of the length of the 
wings and twice as long as the keel. Sahay plains of Northern Colo- 
oe eae Greene. 
A ALOPECUROIDES, Willd.—Hall & Harbour, 104; Dr. Smith ; 
Bra “asdesbee 
DALEA LAXIFLORA, Pursh. Glabrous, 3°-4° high, erect, branched 
above; branches slender and spreading; leaflets 4—5 pairs, linear-ob- 
long, gn_ get long, 4” wide, strongly dotted; spikes panicled, few-flow- 
ered ; flowers distant; bracts very broad almost orbicular, glandular, 
s, glabrous, slightly cuspidate, weg: haat the flower; calyx 
ones t his 
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with ey 4 approsimated glands near the ee ies came u é Harbo ur, 100. 
A NANA, Torr., var. ELATIOR Torr. Pl. Wright,1, p. 46. Stems — 
ead 12 high, canescent with appressed pubescence, bra nehing; branches 
leafy to the top; leaves remote; leaflets 2-3 pairs, oblong and obovate, 
slightly apiculate, clothed with silky, canescent hairs, not dotted ya! a 
long; spikes ovate, sien 'y-flowered, elongated and eylindrical in 
