ASTRAGALUS. LEGUMINOS^E. 153 



from a perennial root, branching, sparsely cinereous-pubescent: stipules 

 subulate, acuminate, 2-3 lines long; leaflets 13-17, linear to linear-spatu- 

 late,6-8 lines long: peduncles much exceeding the leaves; racemes many- 

 flowered, dense; flowers yellowish-white, spreading, on very short erect 

 pedicels: calyx cylindrical, subgibbous at base, 3-4 lines long, white-pu- 

 bescent, the short teeth triangular : pods oblong, turgid, acute at both ends, 

 slightly curved, 6-8 lines long, erect on a long slender stipe. On alluvial 

 hillsides along the Columbia river and its tributaries above The Dalles. 



A. fllipes Torr. Bot. Wilkes 278. Stems slender, erect, 1-2 feet high : 

 stipules triangular, a line long, acute: leaves 3-6 inches long, the slender 

 rachis channelled; leaflets 7-15, remote, linear, 4-8 lines long, less than a 

 line broad, finely pubescent : peduncles much longer than the leaves ; 

 flowers numerous, in an elongated narrow raceme, yellowish to nearly 

 white, erect or spreading on slender pedicels; bracts subulate, not as long 

 as the pedicels ; calyx cylindrical, 2 lines long, pubescent with minute 

 black hairs, the narrow teeth about ^ as long as the tube : pods elongated- 

 oblong, 9-15 lines long by 2 lines or more broad, abruptly acute at both 

 ends, straight, on a slender stipe 6-8 lines long, glabrous and shining, 

 finely reticulated, flat, spreading or pendent. Plains and hillsides, eastern 

 Oregon and Washington to Nevada. 



A. Bourgovii Gray 1. c. 227. Stems short, numerous, from a thick 

 perennial root, thinly strigose-pubescent : leaflets 11-13, lanceolate, pubes- 

 cent beneath, smooth above, 1-2 lines long: peduncles much longer 

 than the leaves, loosely 3-7 -flowered ; calyx cylindrical, 2-3 lines long, pu- 

 bescent, the subulate teeth half as tong as the tube : pods oblong, some- 

 what obcompressed, curved downward, mottled, pubescent, obliquely 

 rounded at summit, 6-8 lines long, on a stipe shorter than the calyx. On 

 rocky hillsides, eastern Oregon to Brit. Columbia. 



A. multiflorus Gray 1. c. 226. Perennial, somewhat glabrous : stems 

 a foot high, numerous, ascending, slender, branched: stipules dark-col- 

 ored, the lower ones sheathing; leaflets 13-21, 3-6 lines long, linear or 

 narrowly oblong, acute or obtuse : peduncles not exceeding the leaves, 

 loosely few-flowered; flowers ochroleucous, small, 2-3 lines long; calyx 

 campanulate, the teeth shorter than the tube: pods 4-6 lines long, charta- 

 ceous, flat, glabrous, oblong on a stipe about as long as the calyx-tube, re- 

 flexed, 6-ovuled, 2-4-seedecL Eastern Oregon to Brit. Columbia, Minne- 

 sota, Colorado and California. 



A. tegetarius Watson Bot. King 76. Canescent with a silky pubes- 

 cence: stems cespitose, 2-6 inches long, numerous, branched, from a much 

 branched perennial caudex, procumbent: stipules membranaceous, mostly 

 acuminate, sheathing ; leaflets 7-9, 2-3 lines long, linear, acute : peduncles 

 slender, about equalling the leaves, 1-3-flowered: flowers small, 2-3 lines 

 long, ochroleucous, the keel purplish ; calyx-teeth as long as the campan- 

 ulate tube: pods 2-3 lines long, chartaceous, sessile, compressed, pubes- 

 cent, ovate-oblong, straight, erect, 1-celled, 6-ovuled, 1-2-seeded. On 

 high mountains, Montana, Wyoming, Idaho and Nevada. 



A. miser Dougl. Hook Fl. i, 153. Cinereous-pubescent: sterns diffuse, 

 8-10 inches long, slender, loosely leaved : stipules rather large, the upper 

 ones connate to the middle ; leaflets broadly-linear to oblong, mostly ob- 

 tuse: peduncles much exceeding the leaves, loosely 5-7-flowered : young 

 pods ovate-oblong, canescent. In the Spokane country, Washington. 



A. serotinns Gray Pac. R. Rep. xii, 51. Cinereous with a minute 

 strigulose pubescence : stems branching from the perennial root, ascend- 

 ing, slender, often flexuous, 8-15 inches high : stipules triangular, acumi- 

 nate; leaflets 9-21, linear to oblanceolate, mucronate, not rigid, glabrous 

 or nearly so above : peduncles exceeding the leaves ; racemes virgate ; 

 calyx campanulate, minutely pubescent, its teeth very short: pods sessile, 

 linear, acute, glabrous or minutely pubescent, 8-10-seeded. Northeastern 

 Washington. 



