Part 7, 1929] FABACEAE: GALEGEAE 421 



obovate; wings shorter, the blade obliquely oblanceolate, with a large basal auricle; keel- 

 petals much shorter, the blade broadly lunate, rounded at the apex, with a large auricle; pod 

 oblong-lunate, arcuate, 1.5-2 cm. long, 3-4 mm. wide, and 2 mm. thick, villous-canescent, 

 slightly sulcate on the lower suture, cordate in cross-section. 



Type locality: Carson City, Nevada. 



Distribution: Western Nevada and eastern California. 



Illustration: M. E. Jones, Rev. Astrag. pi. 66, f. 225. 



6. Hamosa feensis (M. E- Jones) Rydberg. 



Astragalus feensis M. E. Jones, Contr. W. Bot. 8: 20. 1898. 



A nearly acaulescent perennial; stems several, 1-2 cm. long; leaves crowded, 2-4 cm. long, 

 ascending; stipules adnate to the petioles, deltoid, 3-4 mm. long; leaflets 13-17, crowded, 

 obovate, densely canescent with rather long appressed hairs, 4-6 mm. long, rounded 

 or emarginate at the apex; peduncles slender, 4-5 cm. long, erect; racemes short and few- 

 flowered; bracts subulate, 1-2 mm. long; calyx canescent, the tube 4 mm. long, the teeth 

 triangular, 1 mm. long; corolla unknown; pod sessile, narrowly lunate in outline, rounded at 

 the base, gradually tapering at the apex, 2 cm. long, 3 mm. wide and thick, strigulose, rather 

 firm, reticulate, deeply sulcate on the lower suture, cordate in cross-section. 



Type locality': Santa Fe, New Mexico. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 56, f. 183. 



3. Scaposae. Low, cespitose, pulvinate, acaulescent perennials; leaves silvery, silky; 

 racemes few-flowered; flowers small, the banner broadly obovate and strongly arched, the 

 wings broad and usually 2-lobed; pod short, oblong, compressed, silky, narrowly cordate in 

 cross-section. 



7. Hamosa monophyllidia Rydberg, sp. nov. 



A subacaulescent, densely cespitose perennial, with a woody caudex; leaves numerous, 

 2-5 cm. long; leaflet solitary, obovate, rounded at the apex, cuneate at the base, 1-2 cm. long, 

 5-10 mm. wide, silvery-silky on both sides; peduncles 4—6 cm. long; racemes 2-6-flowered ; 

 bracts lance-ovate, 1 mm. long; pedicels 1 mm. long; calyx silvery-silky, the tube about 4 

 mm. long, the teeth subulate with a deltoid base, 2 mm. long; corolla white, cream-colored, or 

 purple-tinged, about 12 mm. long; banner broadly obovate, abruptly arched; wings slightly 

 2-lobed, with a large auricle; keel-petals much shorter, the blade strongly lunate, broad at 

 apex; pod (not mature) oblong, falcate, 12 mm. long, 4 mm. wide, strigose-canescent, slightly 

 sulcate on the lower suture, narrowly cordate in cross-section. 



Type collected in the vicinity of Currant, Nye County, Nevada. May 1916, Georgia H. Bentley 

 (herb. N. Y. Bot. Card.). 



8. Hamosa calycosa (Torr.) Rydb. Bull. Torrey Club 40: 50. 1913. 



Astragalus calycosus Torr.; S. Wats. Bot. King's Expl. 66. 1871. 



Tragacantha calycosa Kuntze, Rev. Gen. 943. 1891. 



Astragalus brevicaulis A. Nelson, Bull. Torrey Club 26: 9. 1899. 



A subacaulescent, densely cespitose perennial, with woody caudex; leaves numerous, 2-6 

 cm. long; stipules deltoid, 3-5 mm. long; leaflets 3-7, oblong, oblanceolate, or obovate, 2-10 

 mm. long, silvery-silky on both sides, obtuse or acute; peduncles 2-5 cm. long; racemes 2-6- 

 flowered; bracts ovate, 1-2 mm. long; pedicels 1-3 mm. long; calyx silvery-silky, the tube 4 

 mm. long, the teeth subulate-lanceolate, 2-3 mm. long; corolla white or purple, about 15 mm. 

 long; banner broadly obovate, abruptly arched, deeply notched; wings slightly shorter, the 

 blade obovate, deeply 2-lobed at the apex, with a large rounded auricle; keel-petals much 

 shorter, the blade strongly arched above, with a rather indistinct auricle; pod oblong, acute, 

 slightly arcuate, about 15 mm. long, 4 mm. wide and 3 mm. thick, strigose-canescent, slightly 

 sulcate on the lower suture, cordate in cros-ssection. 



Type locality: West Humboldt Mountains, Nevada. 

 Distribution: Western Wyoming and Idaho to eastern California. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 65, f. 210. 



