Part 7, 1929] FABACEAE: GALEGEAE 429 



32. Hamosa francisquitensis (M. E. Jones) Rydberg. 



Astragalus francisquitensis M. E. Jones, Proc. Calif. Acad. II. 5: 666. 1895. 



Astragalus lagunensis M. E. Jones, Contr. W. Bot. 8: 11. 1898. 



Astragalus francisquitensis lagunensis M. E. Jones, Contr. W. Bot. 10: 61. 1902. 



A slender annual, or according to the original description perennial; stems decumbent at 

 the base, slightly strigose, 1-2 dm. long; leaves 5-10 cm. long; stipules subulate or lanceolate, 

 4 mm. long; leaflets 15-23, obovate-oblong, emarginate, 5-15 mm. long, strigose beneath; 

 peduncles 5-10 cm. long; racemes short, 2-5 cm. long, 10-15-flowered; bracts deltoid, 1-2 mm. 

 long; calyx strigose, the tube 3 mm. long, the teeth about 1.5 mm. long, subulate; corolla 

 about S mm. long; banner oblong-obovate, arched above the middle; wings nearly as long, the 

 blade oblong, slightly falcate; keel-petals shorter, the blade lunate, rounded at the apex; pod 

 linear-oblong, glabrous, straight, about 12 mm. long, 2-3 mm. wide. 



Type locality: San Francisquito, Lower California. 



Distribution: Lower California. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 61, f. 2.U and var. lagunensis. 



33. Hamosa Nuttalliana (DC.) Rydb.; Small, Fl. SE. U.S. 

 617, 1332. 1903. 



Astragalus micranlhus Nutt. Jour. Acad. Phila. 2: 122. 1821. Not .4. mkranthus Desv. 1814. 



Astragalus Nuttallianus DC. Prodr. 2: 289. 1825. 



Tragacantha micrantha Kuntze, Rev. Gen. 941. 1891. 



Astragalus Nutlallianus enneajugus M. E. Jones. Contr. W. Bot. 8: 22. 1898. 



Astragalus Nutlallianus quadrilateralis M. E. Jones, Contr. W. Bot. 8: 22. 1898. 



An annual; stem erect or ascending, 1-5 dm, high, branched at the base, sparingly 

 strigulose or glabrate, striate; leaves ascending, 5-7 cm. long; stipules lanceolate, acuminate, 

 4-6 mm. long; leaflets cuneate to elliptic, 5-15 mm. long, 2-6 mm. wide, usually emarginate 

 at the apex, cuneate at the base, glabrous above, sparingly strigulose on the veins and margins 

 beneath; peduncles 4-8 mm. long; racemes very short, 3-10-flowered; bracts subulate, 3-4 mm. 

 long; calyx sparingly strigose, the tube 4 mm. long, the teeth subulate, distinctly longer; corolla 

 purple-tipped; banner obovate, retuse, 5-6 mm. long; wings slightly shorter, the blade obliquely 

 oblanceolate, obtuse, with a reflexed auricle; keel-petals shorter, the blade broadly lunate, 

 acutish, with a reflexed auricle; pod linear, 2-3.5 cm. long, 3 mm. wide and thick, glabrous, 

 arcuate below the middle, sulcate on the lower suture, cordate in cross-section. 



Type locality: Red River, Arkansas. 



Distribution: Texas, Oklahoma, and western Arkansas; also at Palisades, Delta County, 

 Colorado. 



Illustration: M. E. Jones, Rev. Astrag. pi. 68, f. 240. 



34. Hamosa leptocarpoides (M. E. Jones) Rydb. Bull. Torrey Club 

 54:326. 1927. 



Astragalus Nutlallianus leptocarpoides M. E. Jones, Contr. W. Bot. 8: 22. 1898. 



An annual; stem spreading, decumbent or prostrate, 1-1.5 dm. long, sparingly strigose, 

 striate; leaves ascending or spreading, 2-4 cm. long; stipules lance-subulate, 3 mm. long; 

 leaflets 1 1-21, oblong or oblong-cuneate, 3-5 mm. long, retuse, truncate or rounded at the apex, 

 glabrous above, sparingly strigose beneath; peduncles 4-6 cm. long; racemes very short, 

 1-4-flowered; bracts lance-subulate, 1-2 mm. long; calyx sparingly strigulose, the tube about 

 2 mm. long, the teeth lance-subulate, 1.5 mm. long; corolla 6-7 mm. long, similar to that of 

 //. Nuttalliana; pod glabrous, linear, 2-3 cm. long, 1.5-2 mm. wide, slightly and evenly arched, 

 12-20-seeded. 



Type locality: Galveston Island, Texas. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 68. 



35. Hamosa montereyensis Rydb. Bull. Torrey Club 

 54:326. 1927. 



An annual; stem branched at the base, decumbent, strigose, 1-2 cm. long; leaves 2-3 cm. 

 long, spreading; stipules ovate, about 4 mm. long, ciliate; leaflets 13-19, oblong, 4-7 mm. long, 



