118 
35. PSORALEA ORBICULARIS Lindley. 
Psoralea orbicularis Lindley, Bot. Reg. 23: t. 1971 (1837). 
Stem prostrate, creeping, the leaves and racemes erect, glan- 
dular throughout ; stipules ovate, inconspicuous ; leaves 3-foliolate; 
petioles 2-5 dm. long; leaflets 3-8 cm. long, 3-7 cm. wide, the 
terminal one nearly orbicular, the lateral ones obovate and obtuse, 
glabrous and reticulate or pubescent, entire or rarely with broad 
undulate lobes; peduncles mostly exceeding the leaves; flowers 
in dense, hirsute spikes, 5-30 cm. long; bracts I—1 ¥% cm. broad, 
oblong-lanceolate, scarious, ciliate ; calyx-lobes lanceolate, attenu- 
ate, the lower lobe often 2 cm. long; pod about 8 mm. long, some- 
what inflated, hirsute, with a very small straight beak ; seed ellip- 
tical, light brown. 
California—Wallace (1858); Douglas; Pratten; Bolinas Bay, 
Kellogg (1866), labelled « P. rotundifolia ;” Yosemite Valley ang 
mountains, Torrey, No. 112 bis (1865); Brewer; Sprague’s” 
Ranch, Yosemite, Lemmon; Indian Spring, Nevada Co., G. W. 
Wright (1875); Upper Sacramento, Wilkes (1838-42); mer . 
Co., E. Samuels; Vasey (1875); Cuiamaca Mts., southern pee Me 
San Diego Co., Palmer, No. 64 (1875); Monterey, Major Rich; 
Southern Upper California, A. Fitch; Mr. Shelton; «Near Ameri- — 
can Fork,” Frémont, No. 496 (1846); San Bernardino Valley, 
S. B. and W. F. Parish (1887). 
PsORALEA MULTIUGA Ell. Bot. S. C. and Ga. 2: 198 (1824). 
The type specimen of this species preserved in Elliott's her- 
barium at the College of Charleston, Charleston, S. C., was €*° 
amined by Dr. Britton and Mr. Small in January, 1894, and — 
proved to be Astragalus glaber Michx. ae 
Additional Mexican species of which I have not seen eee ss 
mens and to which I have not been able to see the descriptions : 
find satisfactory reference. ) 
PsORALEA HuMILIS Mill. Gard. Dict. (Ed. 8), No. 7—Mexico. — 
PSORALEA SPINESCENS Benth.—Mexico. (No other citation * 
manuscript of Kew Index.) 
South American Species. me 
_ Psoravea azure R, Philippi, Fl. Ataca. 14: (1860). Chili. 
