Douglas's Milkvetch

Phaca douglasii T. & G. Fl. N. Am. 1: 346. 1838
Astragalus Douglasii A. Gray, Proc. Am. Acad. 6: 215. 1864. Tragacaniha Douglasii Kuntze, Rev. Gen. 944. 1891. Astragalus tejonensis M. E. Jones, Proc. Calif. Acad. II. 5: 644. 1895. Phaca tejonensis A. Heller, Muhlenbergia 2: 85. 1905.
Perennial, with a cespitose caudey; stem erect, 2-4 dm. high, striate, glabrate or strigose; leaves ascending, 7-12 cm. long; stipules deltoid, distinct, 4 mm. long; rachis sparingly strigose or glabrate; leaflets 15-23, rather firm, elliptic or oblong, S-20 mm. long, 3-8 mm. wide, more or less strigose or in age glabrate; peduncles 3-4 cm. long; racemes 5-15-flowered, 2-4 cm. long; calyx rather densely but finely white-strigose, the tube 3 mm. long, the lobes subulate, 2 mm. long; corolla yellowish or straw-colored, 10 mm. long; banner obovate, reflexed; wings slightly shoi ter, the blade obliquely oblong, with an acute basal auricle ; wing-petals still shorter, strongly arcuate, rounded at the apex; pod rather elongate-ellipsoid, 3-4 cm. long and 1.5 cm. wide, strigulose.
Type locality: California [probably Monterey|.
Distribution: San Benito and Monterey counties, California, and southward, to northern Lower California.

Phaca vallicola Rydberg, sp. nov
Perennial, often cespitose at the base; stems 3-4 dm. high, striate, glabrous; leaves ascending, 7-10 cm. long; stipules deltoid, 3-4 mm. long; leaflets 13-19, elliptic or oblong, 8-20 mm. long, glabrous above, sparingly strigose and glabrate beneath, often retuse at the apex; racemes 5-S cm. long, somewhat arcuate; bracts subulate 2 mm. long; calyx silkystrigose, the tube 4 mm. long, the teeth deltoid, about 1 mm. long; corolla ochroleucous, 8-9 mm. long, like that of the pieceding; pod sparingly pubescent, broadly ellipsoid, 4-5 cm. long, 2-2.5 cm. wide.
Type collected in Bear Valley, San Bernadino Mountains, 1886. 5. B. &> W. F. Parish 1407 D (herb. N. Y. Bot. Card.).
Distribution: Mountains of southern California.

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.

Phaca megalophysa Rydberg, sp. nov
Perennial, with a cespitose caudex; stems 4—6 dm. high, striate and angled, glabrous or sparingly strigose; leaves ascending, 10-15 cm. long; stipules lance-deltoid, 4-5 mm. long; 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.