@ A. tenellus Pursh. Stems 40-50 cm, tall, ascending, zigzag, nearly 
4 
& 
labrous; leaves 4-7 cm. long, the stipules membranous, triangular, 2-3 
mn, long, leaflets 1-2 cm. long, 2-5 ume wide, narrowly oblong, obtuse 
at both ends, in 7-8 pairs, opposite or alternate; glabrous above, spar- 
ingly hirtellous beneath; axillary racemes 2-5 cm, long, the bracts 
ovate, 1 mm, long, persistent, calyx-tube 2 m, long, thinly hirtellous, 
the teeth sublate, acute, subequal, 1.2-1.35 mm, long; corolla pale 
yellow, the banner 9 mm, long, the reflexed portion 5 mm, long, keel 
5 mm, long, exceeded by the twigs; pods pendulous 12-14 mm, long, 
3.5 mm, wide, elliptical, acute at both ends, transversely veined, 
(Homalobus dispar Nutte; H. stipitatus Rydb.; Astragalus multiflorus Gray), 
Open hillsides under yellow pine, Bonners Ferry, Epling 104333; 
West Kootenai, Lyall. 
er A, occidentalis lis E. Jones. Stems 40-50 cm, tall, several, slender, 
a 
scending, nearly glabrous, internodes 5-10 cm, long; leaves 5-8 cm, 
long, stipules ovate, 4-5 mm, long, leaflets in about 5 pairs, usually 
opvosite, shortly stalked, oval, 15-20 mm, long, 4-8 mm, wide, obtuse at 
both ends, the apex notched, glabrous aboveyg puberulents; flowers borne in 
the upper third of slender peduncles 15-25 cm. long, on slender pedicels 
2-5 MMe longs, subtended by membranous persistent bracts 1,5=-2 mm, long; 
calyx-tube 3 mm, long, loosely hirtellous with black hair, the teeth 
subulate, 2-200 mne longs; corolla violet, purple-veined, fading whitish, 4 
the banner 10 mm, long, the reflexed portion 5 mm, long, the keel 7 m, 
long, exceeded by the wings; pods pendulous 1,5-2 cm, long, 5-6 cm, broad, | 
flattened, elliptical, acute at both ends, sparingly hirtellouse 
Rocky ledge near the falls, Upper Priest ke, pling 7518, 
