Part 6, 1929] FABACEAE: GALEGEAE 355 



68. Phaca Deanei Rydberg, sp. now 



Annual or biennial ; stem erect, about 3 dm. high, glabrous and reddish, striate, branched ; 

 leaves ascending, about 1 dm. long; stipules deltoid, 3 mm. long; leaflets 21-29, oblong or 

 elliptic, obtuse, glabrous or nearly so, 8-15 mm. long; peduncles 7-8 cm. long; rai ernes lax, 3-7 

 cm. long; bracts lanceolate, 1-2 mm. long; pedicels shoit; calyx sparingly strigose, the tube 

 scarcely 3 mm. long, the teeth subulate, 1.5 mm. long; corolla white; banner nearly 1 cm. long, 

 obovate, porrect; wings a little shorter, the blade oblong, with a large basal auricle; blade of 

 the keel-petals broadly lunate; pod about 1.5 cm. long and 12 mm. wide, strigose, obliquely 

 ovate, straight on the upper suture. 



Type collected in Sweetwater Valley, San Diego County, California, May 13, 1883, G. C. Deane 

 (Gray Herb.). 



69. Phaca Palmeri (A. Gray) Rydberg. 



Astragalus Palmeri A. Gray, Proc. Am. Acad. 7: 398. 1868. 



Stem about 5 dm. high, sparingly strigose; leaves ascending, about 1 dm. long; stipules 

 deltoid, 2-3 mm. long; leaflets 17-27, oblong, 1-2 cm. long, 4—6 mm. wide, spaiingly strigose 

 when young, glabrate at lea?t above in age, obtus ; peduncles about 1 dm. long, striate; racemes 

 lax, about as long; bracts lanceolate, 1-1.5 mm. long; cab's strigose, the tube 2.5 mm. long, the 

 teeth subulate, nearly 2 mm. long; corolla bluish-purple, resembling that of P. Vaseyi; pod erect, 

 strigose, obliquely ov?tc in outline, 1.5 cm. long, 8 mm. wide, somewhat compressed, acute and 

 straight on the upper suture. 



Type locality: Camp Grant, southern Arizona. 



Distribution: Southern Arizona. 



Illustration: M. E. Jones, Rev. Astrag. pi. 10, f. 44. 



70. Phaca prorifera (M. K. Jones) Rydberg. 



Astragalus proriferus M. K. Jones, Zoe 4: 275. 1893. 



Probably perennial; stem shrubby at the base, 3-6 dm. high, shorl -villous, canescent; 

 leaves 5-10 cm. long, ascending, the rachis short-villous; stipules tiiangulai, 2-3 mm. long, 

 leaflets 17-23, oblong or oblong-lanceolate to obovate, obtuse, 6-20 mm. long, 2-6 mm. wide; 

 peduncles stout, 4—6 cm. long; racemes 4-S cm. long, many-flowered; calyx white-villous, the 

 tube 3 mm. long, the lobes subulate, 1.5 mm. long; corolla dark-purple, fading yellowish, 8 mm. 

 long; banner obovate, emarginate; wings shortei, the blade oblanctolate; keel-petals strongly 

 falcate, obtuse; legume obliquely ovoid, about 12 mm. long, 6-7 mm. wide, densely short- 

 villous, gibbous on the lower suture, nearly straight on the upper. 



Type locality: San Pedro Martir. Lower California. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 9, f. 40. 



71. Phaca Juliana (M. E. Jones) Rydberg. 



Astragalus julianus M. E. Jones, Proc. Calif. Acad. II. S: 667. 1895. 



Annual or short-lived perennial, branched at the base; stem 1-3 dm. high, hirsute; leaves 

 5-10 cm. long, ascending; stipules lance-deltoid, 2-3 mm. long; leaflets 13-19, lance-elliptic to 

 lance-linear, acute, 8-12 mm. long, 2-3 mm. wide, hirsute; peduncles 3-5 cm. long; racemes lax, 

 3-8 cm. long, overtopping the leaves; bracts subulate, 2 mm. long; calyx hiisute, the tube 2 mm. 

 long, the teeth subulate, 2 mm. long; corolla white or nearly so, about 7 mm. long, similar to 

 that of P. sabulonum; pod obliquely ovoid, 12-15 mm. long, 7-8 mm. wide, short-hirsute, 

 the upper suture nearly straight and acute. 



Type locality: San Julio, Lower California. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 9, f. 39. 



