Part 6, 1929] FABACEAE: GALEGEAE 363 



long; bracts lanceolate, about 2 mm. long; calyx slightly strigulose with scattered black hairs, 

 the tube 5 mm. long, 2-2.5 mm. wide, the lower 3 teeth subulate, 2 mm. long, the upper 2 

 broader and shorter; corolla light-purple, about 15 mm. long; banner obovate, slightly arcuate; 

 wings slightly shorter, the blade broadly oblong; keel-petals still shorter, the blade broadly 

 lunate, obtuse; pod nearly sessile, acute at each end, glabrous and somewhat reticulate, about 

 2 cm. long, 7-8 mm. wide, obliquely elliptic, nearly straight on the upper suture. 



Type collected at Lancaster, California. May 12, 1893, .4. Davidson 4 (Gray Herb.). 

 Distribution: Los Angeles County, California. 



96. Phaca laxiflora (A. Gray) Rydberg, sp. now 



Astragalus Preussii laxiflorus A. Grav. Proc. Am. Acad. 13: 369. 1878. 

 Astragalus Preussii laxispicatus Sheldon, Minn. Bot. Stud. 1: 130. 1894. 



Perennial; stem erect, 5 dm. high or more, glabrous, sulcate; leaves 1-1.5 dm. long, strongly 

 ascending; stipules deltoid, free, 4-5 mm. long; leaflets 1 1-15, broadly obovate, 5-15 mm. long, 

 usually retuse at the apex, glabrous; peduncles 10-15 cm. long, erect; racemes 10-15 cm. long, 

 lax; bracts lanceolate, 2-3 mm. long; pedicels 1 mm. long; flowers ascending; calyx cylindric, 

 glabrous, the tube 6 mm. long, the teeth subulate, 2-2.5 mm. long; corolla pale-purple, 17 mm. 

 long; banner obovate, narrow and retuse at the tip; wings shorter, the blade oblong, falcate, 

 nearly equaling the claw, with a reflexed basal auricle; keel-petals about as long, the blade 

 broadly lunate, obtuse; pod short-stipitate, the stipe obconic, 3 mm. long, the body glabrous, 

 obliquely ellipsoid, about 2 cm. long, 1 cm. w-ide and thick. 



Type locality: Beaverdam, on the Rio Virgin. Arizona. 

 Distribution: Known only from the type locality. 

 Illustration: M. E. Jones, Rev. Astrag. pi. 74, f. 111. 



97. Phaca Crotalariae Benth. PI. Hartw. 307. 1848. 



Astragalus Crotalariae A. Gray, Proc. Am. Acad. 6: 216. 1864. 

 Tragacantha Crotalariae Knntze. Rev. Gen. 243. 1891. 

 Astragalus limatus Sheldon. Minn. Bot. Stud. 1: 126. 1894. 

 Astragalus Preussii limatus Jepson, Man. Fl. PI. Calif. 566. 1925. 



Perennial, with a taproot, but evidently blooming the first year; stems several, 3-6 dm. 

 high, strongly sulcate, pubescent, at least when young, with ascending hairs; leaves 10-15 cm. 

 long, ascending; stipules ovate-deltoid, reflexed, free, 5-6 mm. long; leaflets 11-19, rounded- 

 obovate, rounded or retuse at the apex, 1-3.5 cm. long, pubescent beneath with ascending hairs; 

 peduncles 1-1.5 dm. long, ascending; racemes 6-10 cm. long; bracts ovate or ovate-lanceolate, 

 3 mm. long; pedicels 2 mm. long; calyx strigose, the tube cylindric, about 7 mm. long, the teeth 

 lanceolate, 2 mm. long; corolla purple, about 2 cm. long; banner obovate, retuse, slightly arched; 

 wings shorter, the blade oblong, slightly falcate, longer than the claw, with a large basal auricle; 

 keel-petals similar but broader and more arched; pod short-stipitate, strigulose and cross- 

 veined, the stipe 2 mm. long, obconic, the body rounded-ellipsoid or ovoid, 2.5-3 cm. long, 

 15-18 mm. wide and thick; seeds obliquely reniform, 4 mm. long, 2.5 mm. broad, brown. 



Type locality: Monterey, California (that of .4. limatus: Indian Wells, Colorado Desert, 

 California). 



Distribution: Southern California and northern Lower California. 

 Illustrations: M. E. Jones, Rev. Astrag. pi. 33, 34, f. 115; pi. 74. 



98. Phaca Eastwoodiae (M. E. Jones) Rydb. Bull. Torrey Club 

 32:664. 1906. 



Astragalus Preussii sulcatus M. E. Jones, Zoe 4: 37. 1893. 



Astragalus Eastwoodiae M. E. Jones, Zoe 4: 368. 1894. 



Astragalus Preussii Eastwoodiae M. E. Jones, Rev. Astrag. 154. 1923. 



Perennial, with a woody taproot and short cespitose caudex; stems several, decumbent at 

 the base, 2-3 dm. high, glabrous, sulcate ; leaves 8-15 cm. long, ascending; stipules membranous, 

 broadly deltoid, 4-5 mm. long; leaflets 17-21, linear or lance-linear, 7-20 mm. long, glabrous, 

 acute; peduncles 4-5 cm. long; racemes 3-4 mm. long, ascending; bracts ovate, 2 mm. long; 

 calyx minutely black-hairy, the tube cylindric, 6-7 mm. long, the teeth subulate, 2 mm. long; 



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