a eR 
- PSORALEA. LEGUMINOS 2. 141 
L. ‘Torreyi Greene |. ¢. 146. Hosackia Torreyi Gray. Minutely pubes- 
cent: stems rather slender, numerous, from a stout perennial root, 1-2 
feet high, mostly simple: stipules triangular, a line or more long; leaflets 
5-1), obovate to narrowly oblanceolate or linear, densely pubescent be- 
neath, mostly obtuse, 6-12 lines long: peduncles exceeding the leaves; 
bracts usually trifoliolate: umbels 5-7-flowered; teeth of the pubescent 
calyx subulate, about as long as the short campanulate tube; petals 6 lines 
long, the upper one bright yellow, the lateral. ones and very obtuse kee! 
white or reddish: pods linear, 1-2 inches long, with an acuminate hooked 
beak. In springs and ditches, southwestern Oregon to California. 
Tribe 5. Galegex. Bronn. (partly) T..& G. blot, 292. Ereet 
herbs, shrubs, or trees with usually unequally pinnate, seldom 
stipellate leaves and axillary or terminal, racemose or spi- 
cate inflorescence. Corolla papilionaceous, or otherwise irregu- 
lar. Stamens diadelphous or sometimes. monadelphous. Pods 
continuous, rarely with transverse cellular partitions between the 
seeds, but never separating into joints, 1-celled, several-seeded, de- 
hiscent, or 1—2-seeded and indehiscent. Radicl: incurved or in- 
flexed. i : 
9 PSORALEA Royen L. Gen. ed, 2, 358, 
Our species perennial herbs, the herbage punctate with dark 
glandular dots with digitately or pinnately 3-d-foliolate leaves 
with entire leaflets and free stipules, and white or purple flowers 
in axillary pedunculate spikes or racemes, mostly with mem- 
branaceous deciduous bracts. Calyx campanulate, persistent, 5- 
cleft, its teeth nearly equal, or the lower one longest, the two 
upper ones often connate. Petals free from the stamens; keel 
broad and obtuse above, united with the wings. Stamens usually 
diadelphous, the upper one sometimes united with the others at 
the base; anthers uniform, often only 5 perfect. Pods ovate, 
about as long as the calyx, 1-seeded, indehiscent, thick, often 
wrinkled. ; 
* Leaves digitately 3-5-foliolate, rarely 7-foliolate. 
P. lanceolata Pursh. Fl. 475. Aromatic-glandular throughout: stems 
slender, 12-30 inches high, erect or assurgent, branched, glabrous or with 
a few scattered hairs: stipules linear-Janceolate to setaceous, 3-6 lines 
long: “Abate 1-2 inches long; leaves trifoliolate; leaflets 1-2 inches long, 
linear-lanceolate to obovate, acute or obtuse, mucronate, glabrous or with 
a few hairs: peduncles longer than the leaves; inflorescence capitate, 
small; bracts minute; flowers nearly white; calyx minutely hairy, the 
lobes nearly equal, obtuse: pods globose, 3 lines long, light with conspicu- 
ous large raised brown glands, nearly glabrous, beak small and erect: 
seeds globose, brown. On sandy plains, Oregon and Washington to Iowa 
and Arizona. 
P. Purshii Vail Bull. Torr. Club, xxi, 94. Glandular throughout; 
stems assurgent 6-20 inches high or more, from a long slender rootstock, 
glabrous or somewhat hirsute at base; scales ovate, scarious: leaves 3- 
foliocte; stipules lanceolate, 3-4 lines long; leaflets 1-2 inches long, obo- 
vate cuneate or elliptical, or the uppermost nearly lanceolate and often 
much narrower, varying greatly in size and shape, retuse or mucronulate, 
glandular, glabrous or with a few scattered white hairs: peduncles vary- 
ing in length, rarely longer than the leaves: flowers scattered in slender 
spikes or crowded in nearly capitate heads; bracts minute; lobes of the 
