286 NORTH AMERICAN FLORA [Volume 24 



4-5 mm. long, the lower connate; leaflets 15-21, linear or oblong, 8-18 mm. long, glabrate 

 above, strigose beneath, obtuse or acute; peduncles 1-1.5 dm. long; bracts lanceolate, 4-6 mm. 

 long; pedicels 1 mm. long; calyx rather loosely pilose, the tube 5 mm. long, 2.5 mm. broad, 

 the teeth subulate, 3 mm. long; corolla ochroleucous, 12-15 mm. long; banner obovate, 

 moderately arcuate; wings of about the same length, the blade broadly oblanceolate, with a 

 small reflexed auricle; keel-petals shorter, the blade obliquely obovate-lunate; pod 8—12 mm. 

 long, ovate-oblong, strigose, the upper suture acute, the lower slightly sulcate. 



Type locality': Hills of the central chain of the Rockies towards the Oregon [Wyoming or 

 Idaho]. 



Distribution: Wyoming, western Colorado, and northeastern Utah. 

 Illustrations: M. E. Jones, Rev. Astrag. pi. 62; Am. Jour. Bot. IS: pi. 45 G. 



8. Cnemidophacos confertiflorus (A. Gray) Rydb. Bull. Torrey 

 Club 40: 52. 1913. 



Astragalus jlavus candicans A. Gray, Proc. Am. Acad. 12: 54. 1876. 

 Astragalus confertiflorus A. Gray, Proc. Am. Acad. 13: 368. 1878. 



A perennial, with a woody root and cespitose caudex; stems 1-2 dm. high, more or less 

 densely canescent; stipules deltoid, acuminate, 3-4 mm. long, the lower connate; leaves nearly 

 erect, the rachis canescent, 5-8 cm. long; leaflets 1 1-15, linear, 1-2.5 cm. long, silvery-canescent 

 on both sides; peduncles 7-12 cm. long; racemes 5-10 cm. long; bracts lance-subulate, 3 mm. 

 long; pedicels almost obsolete; calyx silvery-canescent, the tube 4 mm. long, 3 mm. broad, the 

 teeth subulate, about 2 mm. long; corolla 9-1 1 mm. long, white or tinged with purple, the keel 

 tipped with purple ; banner obovate, slightly arcuate ; wings slightly shorter, the blade obliquely 

 oblanceolate; keel-petals slightly shorter, the blade broadly lunate, almost semicircular, with a 

 rounded basal auricle; pod oblong-ovate, canescent-strigose, 10-15 mm. long, 4—5 mm. thick, 

 3-4 mm. wide, the upper suture acute, the cross-section oval. 



Type locality: Richfield, Utah. 



Distribution: Southern Colorado, New Mexico, and southeastern Utah. 



Illustration: M. E. Jones, Rev. Astrag. pi. 62, f. 201. 



9. Cnemidophacos moencoppensis (M. E. Jones) Rydberg. 



Astragalus moencoppensis M. E. Jones, Zoe 2: 12. 1891. 



A perennial, with a woody root and cespitose caudex; stems several, 3-4 dm. high, spar- 

 ingly strigose; leaves ascending, 5-10 cm. long, the rachis grooved, slender; stipules scarious, 

 deltoid, 2 mm. long; leaflets 9-1 1, linear, 1-2 cm. long, 1-2 mm. wide, glabrous above, sparingly 

 strigose beneath, acute at each end; peduncles 1-1.5 dm. long, slender; racemes 5-10 cm. long, 

 lax; bracts lanceolate, 2 mm. long; pedicels less than 1 mm. long; calyx strigose-canescent, the 

 tube 3 mm. long, the teeth subulate, 2 mm. long; corolla purplish, 7-8 mm. long; banner 

 broadly obovate; wings much shorter, the blade oblong- falcate; keel-petals still shorter, the 

 blade broadly lunate; pod 6-7 mm. long, canescent, transversely oblong in cross-section. 



Type locality: Limestone cliffs, at Willow Springs, near Moencoppa, northern Arizona. 

 Distribution: Arizona and southwestern Utah. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 62, f. 203. 



10. Cnemidophacos sophoroides (M. E. Jones) Rydberg. 



Astragalus sophoroides M. E. Jones, Zoe 2: 12. 1891. 



A perennial, with a woody root and short cespitose caudex; stems erect, 1-3 dm. high, 

 densely strigose-canescent; leaves 5-10 cm. long, ascending, the rachis canescent; stipules 

 deltoid, acuminate, connate, 3-5 mm. long; leaflets 9-15, elliptic or oblong, 4-15 mm. long, 

 white-canescent on both sides, obtuse at the apex; peduncles 1-5 cm. long; racemes 2-4 cm. 

 long; bracts lanceolate, 4 mm. long; pedicels very short; calyx white-silky, the tube 3 mm. long 

 and broad, the teeth subulate, 3 mm. long; corolla cream-colored, 8-9 mm. long; banner 

 obovate, slightly arcuate; wings nearly as long, the blades obliquely obovate; keel-petals 



