Part 7, 1929] FABACEAE: GALEGEAE 451 



12-20 mm. long; banner oblanceolate or narrowly obovate, slightly retuse; wings shorter, the 

 blade oblong, equaling the claw, with a large auricle; keel-petals still shorter, the blade broadly 

 lunate, with a rather large auricle; pod obliquely ovoid, nearly 1 cm. long, 4 mm. wide and 

 thick, densely long-hairy, deeply sulcate on the lower suture, deeply cordate in cross-section. 



Type locality: Plains near Boulder, Colorado. 

 Distribution: Northern Colorado and southern Wyoming. 

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



29. Astragalus goniatus Nutt.; T. & G. Fl. N. Am. 1: 330. 1838. 



Astragalus hypogloltis Hook. Fl. Bor. Am. 1: 148. 1831. Not A. hypogloltis L. 1753. 



Astragalus hypogloltis polyspermia T. & G. Fl. N. Am. 1: 328. 1838. 



Astragalus dasyglottis Nutt.; T. & G. Fl. N. Am. 1: 329. as synonym. 1838. 



Phaca hypogloltis MacMill. Metasp. Minn. Valley 324. in part. 1892. 



Astragalus agreslis M. E. Jones. Proc. Calif. Acad. II. 5: 646, in part, excluding synonym. 1895. 



Astragalus agrestis polyspermus M. E. Jones. Contr. W. Bot. 10: 65. 1902. 



Phaca agreslis Piper, Contr. U. S. Nat. Herb. 11: 372, in part. 1906. 



A perennial, with a cespitose rootstock; stems much branched, 1-3 dm. high, glabrous, 

 or sparingly strigose; leaves spreading, 4-10 cm. long; stipules lanceolate, 4-8 mm. long; 

 leaflets 13-19, linear to oblong, 5-20 mm. long, 2-5 mm. wide, sparingly strigose on both sides, 

 or glabrous above, rounded or retuse at the apex, or those of the upper leaves sometimes acute; 

 peduncles 4-12 cm. long; racemes dense, 2—4 cm. long; bracts lanceolate or oblong, 4-5 mm. 

 long; flowers subsessile, ascending; calyx black -hairy, the tube about 6 mm. long, 2 mm. 

 wide, the teeth subulate, 3 mm. long; corolla purple, 15-1 7 mm. long; banner obovate, retuse; 

 wings shorter, the blade oblong, as long as the claw, with a large basal auricle; keel-petals still 

 shorter, the blade broadly lunate, obtuse at the apex; pod obliquely ovoid, long-pilose, 8-9 

 mm. long, 4 mm. wide and thick, sulcate on the lower suture, deeply cordate in cross-section; 

 seeds obliquely round-reniform, 2 mm. long. 



Type locality: Rocky Mountains near the sources of the Platte, Wyoming. 

 Distribution: Minnesota to Washington, northern California, and New Mexico. 

 Illustrations: M. E. Jones, Rev. Astrag. pi. 40. f. 131 (as .4. agreslis and var. polyspermus); 

 Britt. & Brown, 111. Fl. /. 2132, ed. 2. f. 2537 (both as A. hypogloltis); Fl. Neb. 21: pi. 10. f. 47-51. 



30. Astragalus Tarletonis Rydb. Bull. N. Y. Bot. Gard. 

 2: 175. 1901. 



A perennial, with a cespitose rootstock; stems ascending, 2-3 dm. high, angled, striate, 

 sparingly strigose; leaves about 1 dm. long, spreading; stipules lanceolate, attenuate, sparingly 

 strigose ; leaflets 1 7-29, elliptic to lanceolate or oblong, 10-15 mm. long, 3-6 mm. wide, sparingly 

 strigose or in age glabrate, obtuse or retuse at the apex; peduncles 9-12 cm. long, sulcate; 

 racemes dense, 3-4 cm. long; bracts oblong, 6-8 mm. long, mostly obtuse, black -hairy; flowers 

 subsessile, ascending; calyx black -hairy, the tube 6 mm. long, the teeth subulate, of almost the 

 same length; corolla purple, about 15 mm. long; banner obovate, retuse; wings shorter, the 

 blade oblong-oblanceolate, equaling the claw, with a large auricle ; keel-petals still shorter, the 

 blade broadly lunate, rounded at the apex, with a rounded auricle; fruit unknown. 



Type locality: Five-finger Rapids. Yukon. 

 Distribution: Yukon and Mackenzie. 



31. Astragalus agrestis Dougl.; (Hook. Fl. Bor. Am. 1: 148, as 



synonym. 1831) M. E. Jones, Proe. Calif. Acad. II. 5: 646. 



1895. 



Astragalus hypogloltis & Hook. Fl. Bor. Am. 1: 148. 1831. 

 Phaca agreslis Piper. Contr. U. S. Nat. Herb. 11: 372. 1906. 



A perennial, with a cespitose rootstock; stems decumbent at the base or ascending, 2-3 

 dm. high, flexuose, glabrous or nearly so, sulcate, sometimes tinged with purple; leaves 5-10 

 cm. long, ascending; stipules lanceolate, attenuate, 4-8 mm. long; leaflets 11-21, oblong, 1-2 

 dm. long, often emarginate at the apex, sparingly strigose on both sides; peduncles 7-10 cm. 

 long; racemes dense, about 3 cm. long; bracts oblong, 4-5 mm. long; calyx strigose with white 

 hairs, the tube 5-6 mm. long, the teeth subulate, 5-6 mm. long; corolla purple, 18-20 mm. 



