Part 7, 1929] FABACEAE: GALEGEAE 453 



villous, oblong to linear-lanceolate, acute at each end, 1-1.5 cm. long, 2-4 mm. wide; peduncles 

 4-6 cm. long; racemes elongate, 4-10 cm. long, lax; bracts subulate, 3-4 mm. long; flowers 

 reflexed; pedicels 1 mm. long; calyx villous, the tube 2 mm. long, the teeth subulate, 3 mm. 

 long; corolla white, 6-7 mm. long; banner obovate, striate, strongly arched at the middle; 

 wings shorter, the blade obliquely oblanceolate, falcate, with a prominent auricle; keel-petals 

 shorter, the blade broadly lunate, strongly arched, obtuse; pod villous, lance-oblong, some- 

 what laterally compressed, 6-7 mm. long, 3 mm. wide and thick, cordate in cross-section; seeds 

 few. 



Type locality: Upper Yakima River. Washington. 



Distribution: Washington and Idaho. 



Illustration: M. E. Jones, Rev. Astrag. pi. 41. f. 135. 



35. Astragalus lentiformis A. Gray, Bot. Calif. 1: 156. 1876. 



Tragacantha lentiformis Kuntze, Rev. Gen. 946. 1891. 



A perennial, with a woody root and cespitose caudex; stems many, prostrate, slender, 

 terete, sparingly pubescent, 1-2 dm. long; leaves 1-4 cm. long, spreading; stipules deltoid, 2-3 

 mm. long, pilose; leaflets 1 1-15, rather crowded, obovate, or elliptic, rounded or retuse at the 

 apex, villose-pilose, 3-8 mm. long; peduncles 1-1.5 cm. long; racemes short, few-flowered, 

 reflexed; calyx pilose, the tube 2 mm. long and broad, the teeth subulate, 2 mm. long; corolla 

 white, about 5 mm. long; banner obovate; wings shorter, the blade oblanceolate, falcate; 

 keel-petals still shorter, the blade semi-orbicular, rounded at the apex; pod oblong, thin- 

 walled, villous, somewhat compressed, 1 cm. long, 3 mm. wide and 2 mm. thick, slightly sulcate 

 on the lower suture, oblong in cross-section, 5-6-seeded. 



Type locality: Sierra Nevada, in Clover Valley. 

 Distribution: Sierra County. California. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 69, f. 243. 



36. Astragalus Lemmoni A. Gray, Proc. Am. Acad. 8: 626. 1873. 



Tragacantha Lemmoni Kuntze, Rev. Gen. 946. 1891. 



A perennial, with a woody root and a cespitose caudex; stems slender, prostrate, 2-5 dm. 

 long, glabrous or sparingly strigose; leaves 2-4 cm. long, spreading; stipules deltoid or lance- 

 olate, green, 4 mm. long, distinct; leaflets 9-13, lanceolate to obovate, strigose beneath; 

 peduncles 1-3 cm. long, slender; racemes short, few-flowered; bracts lanceolate, 2 mm. long; 

 pedicels less than 1 mm. long; calyx strigose, the tube 1.5 mm. long, the teeth subulate, scarcely 

 1 mm. long; corolla white, 4-5 mm. long; banner oval-obovate, abruptly arched; wings shortei, 

 oblong, falcate; keel-petals shorter, the blade broadly lunate, semiorbicular; pod obliquely 

 lance-oblong, 5-7 mm. long, 1.5 mm. wide and 2 mm. thick, sulcate on the lower suture, 

 cordate in cross-section, 3-4-seeded; seeds obliquely reniform. 



Type locality: Sierra Valley, Sierra County, California. 



Distribution: California and Oregon. 



Illustration: M. E. Jones, Rev. Astrag. pi. 69, f. 252. 



37. Astragalus Pecku Piper, Proc. Biol. Soc. Wash. 37: 92. 1924. 



A low perennial, with a cespitose caudex; branches ascending, less than 1 dm. high, densely 

 leafy, canescent; leaves 2-3 cm. long, ascending, strigose-canescent; stipules lanceolate- or 

 ovate-deltoid, clasping; leaflets 9-13, lanceolate, 2-6 mm. long, acuminate, canescent on both 

 sides, the terminal one poorly developed, represented by the somewhat produced and flattened 

 tip of the rachis; racemes 2-3 cm. long, lax; bracts lanceolate; calyx strigose, the tube 2 mm. 

 long, the teeth subulate, 1 mm. long; corolla ochroleucous, 5 mm. long; banner broadly obovate, 

 strongly arched; wings about as long, the blade broadly lunate, with a large basal auricle; 

 keel-petals shorter and broader, strongly incurved at the rounded apex; pod reflexed, oblong, 

 acute at each end, flattened, strigose, about 7 mm. long and 2.5 mm. wide. 



Type locality: McKenzie Pass, Cook County. Oregon. 

 Distribution: Known only from the type locality. 



