Part 6, 1929] FABACEAE: GALEGEAE 345 



leaflets 19-29, oblong or elliptic, 1.5-3 cm. long, 5-8 mm. wide, often truncate or retuse at the 

 apex, glabrate or somewhat strigose when young; peduncles 5-10 cm. long, arcuate; racemes 

 5-S cm. long, 15-20-flowered; bracts lanceolate, 3 mm. long; calyx spaiingly black-hairy, the 

 tube 3 mm. long, the teeth subulate, 2 mm. long; corolla ochroleucous, about 1 cm. long, the 

 banner obovate, somewhat reflexed; wings somewhat shorter, the blades oblong, with a rounded 

 basal auricle; keel-petals broadly lunate, acutish; pod ellipsoid, sparingly short-pubescent, 

 4-6 cm. long, 2.5-3 cm. wide. 



Type collected in Swarthout Canyon, San Antonio Mountains, California, H. M. Hall 1531 

 (Gray Herb.). 



Distribution: Southern California. 



35. Phaca glaberrima (M. E. Jones) Rydberg, sp. now 



Astragalus Douglasii glaberrimus M. E. Jones, Proc. Calif. Acad. II. 5: 645. 1895. 



Perennial, branched at the base; stems 2-4 dm. high, striate and glabrous; leaves 7-10 cm. 

 long, ascending; stipules deltoid, 3 mm. long; leaflets 11-17, lance-linear, 1.5-2 cm. long, 2-3 

 mm. wide, tapering at each end, glabrous on both sides, or slightly strigose beneath, the apex 

 almost cuspidate; peduncles about 5 cm. long; bracts lanceolate, 2 mm. long; calyx sparingly 

 white-sti igose, the tube 2 mm. long, the teeth lance-subulate, 1.5-2 mm. long; corolla about 

 8 mm. long, ochroleucous, similar to that of P. Douglasii; pod semi-ovoid, almost stiaight on the 

 upper suture, 3 cm. long, 1.5 cm. wide, glabrous. 



Type locality: Los Huevelos, Lower California. 



Distribution: Southern California and Lower California. 



Illustration: M. E. Jones, Rev. Astrag. pi. 15. 



36. Phaca allochroa (A. Gray) Rydb. Fl. Rocky Mts. 487, 1063. 

 1917. 



Astragalus allochrous A. Gray, Proc. Am. Acad. 13: 366. 1878. 



Perennial, with a caudex; stems eitct, 3-5 dm. high, sparingly strigose; leaves strongly 

 ascending, about 1 dm. long; stipules deltoid, acuminate, pubescent, scarious, 4-5 mm. long; 

 rachis strigose; leaflets 11-19, oblong to obovate, rounded to retuse at the apex, strigose on 

 both sides; peduncles 5-7 cm. long; racemes 3- 10 cm. long, 8-15-flowered; bracts lance-subulate, 

 2-3 mm. long; calyx strigose, the tube campanulate, 3 mm. long, the teeth subulate, 1.5 mm. 

 long; wings shorter than the banner, the blade longer than the claw, oblong; keel-petals strongly 

 incurved, the blade obliquely obovate, lounded at the apex; pod sessile, strigulose, about 3 cm. 

 long and 1.5 cm. wide, acute, the upper suture nearly stiaight; seeds obliquely reniform, brown, 



2 mm. long. 



Type locality: Near Wickenburg, Arizona. 

 Distribution: Arizona and southern New Mexico. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 17, f. 63. 



37. Phaca piscina (M. E. Jones) Rydberg. 



Astragalus piscinus M. E. Jones, Proc. Calif. Acad. II. 5: 645. 1895. 

 Astragalus Douglasii piscinus M. E. Jones, Contr. W. Bot. 10: 61. 1902. 



Perennial; stem eiect, 5 dm. high or more, stiiate, sparingly strigose; leaves 10-15 cm. long, 

 ascending; stipules lanceolate, 4-5 mm. long; leaflets 25-29, nairowly oblaneeolate, 1-2 cm. 

 long, 2-4 mm. wide sparingly strigose; peduncles about 1 dm. long, strict; racemes nearly as 

 long; bracts lanceolate, 2-3 mm. long; pedicels vciy shoit; calyx canescent-strigose, the tube 



3 mm. long, the teeth subulate, nearly 2 mm. long; corolla purpl'sh; banner obovate, spreading; 

 keel-petals broadly lunate; pod oval-ellipsoid, about 2.5 cm. long and 1.5 cm. wide, sparingly 

 short-strigose. 



Type locality: Lagoon Head, Lower California. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 72. 



