Part 5, 1929] FABACEAE: GALEGEAE 275 



15-31, oblong or elliptic, 1-2.5 cm. long, 4-5 mm. wide, obtuse, rounded or retuse at the apex, 

 strigose on both sides; peduncles about 1 dm. long; racemes 2-3 cm. long, dense; bracts lance- 

 olate, 3 mm. long; calyx strigose with mixed black and white hairs, the tube 3 mm. long, some- 

 what gibbous, the teeth subulate, 1 mm. long; corolla white, 15 mm. long; banner obovate, 

 moderately arched; wings a little shorter, the blades obliquely oblanceolate ; keel-petals much 

 shorter, the blade broadly lunate; pod spreading or pendent, finely strigose, stipitate, the stipe 

 6-S mm. long, the body elliptic, 2.5-3 cm. long, 6-10 mm. wide, acute at each end, finely 

 reticulate, straighter on the upper than on the lower suture; seeds brown, orbicular-reniform, 

 3 mm. long, nearly as broad. 



Type locality: Gaviota, Santa Barbara County, California. 



Distribution: Type locality and vicinity. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 2; Contr. W. Bot. 10: pi. 2. 



6. Porrecti. Tall caulescent perennials. Stems erect. Leaves pinnate, with several 

 obovate or obcordate leaflets. Racemes elongate and many-flowered. Calyx campanulate, 

 black-strigulose, the teeth subulate. Corolla white, the banner strongly arcuate, retuse at the 

 apex, the sides broadly reflexed, much longer than the wings, the blade of the wings obliquely 

 oblanceolate, equaling the claw, the blade of the keel-petals semicircular, rounded at the apex. 

 Pod stipitate, the stipe stout, upcurved, the body flat, oblong, slightly arcuate, almost erect. 



50. Homalobus porrectus (S. Wats.) Rydb. Bull. Torrey Club 



51: 19. 1924. 



Astragalus porrectus S. Wats. Bot. King's Expl. 75. 1871. 

 Tragacantha porrecta Kuntze, Rev. Gen. 947. 1891. 



A perennial; stems 3-6 dm. high, sparingly strigose or glabrate; leaves 6-10 cm. long; 

 stipules large, membranous, triangular, acuminate, 4—5 mm. long, the lower ones sheathing- 

 connate; leaflets 8-13, broadly obovate, 8-15 mm. long, 7-12 mm. wide, glabrous above, spar- 

 ingly strigose (especially along the margin and the midrib) or glabrate beneath, rounded or 

 slightly emarginate at apex; peduncles 5-10 cm. long; racemes many-flowered, in fruit elongate, 

 1-2 dm. long; calyx sparingly hispidulous-strigose with black hairs, the tube 4-4.5 mm. long, 

 3 mm. broad, the teeth subulate, 3 mm. long; corolla yellow; banner obovate, with abroad claw, 

 12 mm. long; wings about 10 mm. long, the blade obliquely oblanceolate, acute at the apex, 

 about equaling the claw, with a rather large oblong basal auricle; keel-petals S mm. long, the 

 blade about equaling the claw, obliquely semicircular, rounded at the apex, with a small 

 rounded basal auricle ; pod glabrous, stipitate, strongly bent at the union of the stipe and the 

 body, the stipe 4-6 mm. long, the body oblong, arcuate, erect, about 1.5 cm. long, 4 mm. wide; 

 seeds obliquely reniform, 3 mm. long, 1.5 mm. broad. 



Type locality: Trinity Mountains, Nevada. 



Distribution: Western Nevada. 



Illustrations: M. E. Jones, Rev. Astrag. pi. 2,f. 6 (poor), pi. 73, f. 6. 



7. Collini. Perennials, with a cespitose caudex. Stems erect. Leaves pinnate, with 

 many leaflets, spreading. Racemes many-flowered, strict. Flowers drooping. Calyx 

 cylindric-campanulate, gibbous on the upper side at the base, the teeth subulate. Corolla 

 ochroleucous. Banner abruptly arched above, only slightly exceeding the wings. Blades of 

 the wings shorter than the claws, with a semisagittate base; keel-petals shorter and broader. 

 Pod leathery or woody, not strongly flattened, stipitate, the body linear, or oblong, or lance- 

 oblong, often arcuate, with strong sutures. 



51. Homalobus collinus (Dougl.) Rydb. Bull. Torrey Club 



40: 53. 1913. 



Phaca collina Hook. Fl. Bor. Am. 1: 141. 1831. 



Astragalus collinus Dougl.; Hook. Fl. Bor. Am. 1: 141, as synonym. 1831. 

 Astragalus syrtoides A. Gray, Proc. Am. Acad. 6: 201. 1864. 

 Tragacantha collina Kuntze, Rev. Gen. 944. 1891. 



A perennial, with a cespitose caudex; stems branched, 3-5 dm. high, short- villous with 

 incurved hairs; leaves 5-10 cm. long; stipules lanceolate, distinct, 3-5 mm. long, short-villous ; 



