Part 2, 1920] FABACEAE: PSORALEAE 103 



those of the keel-petals 6 mm. long, the claws of both 2-2.5 mm. long; pod densely villous, 



glabrate at the very base. 



Type collected at San Esteban, Lower California, 1889, T. S. Brandegee (U. S. Nat. Herb. no. 

 24443). 



Distribution: Lower California. 



136. Parosela Wislizeni (A. Gray) Vail, Trans. N. Y. Acad. 

 Sci. 14:34. 1894. 



Dalea Wislizeni A. Gray, Mem. Am. Acad. II. 4: 32. 1849. 



A shrub, 5-10 dm. high; branches erect, densely villous-canescent; leaves ascending, 

 2-4 cm. long; stipules setaceous, 3 mm. long; rachis densely short-villous ; stipels gland-like; 

 leaflets 15-23, oblong, obtuse, densely villous-sericeous, 3-6 mm. long, glandular-dotted be- 

 neath; spikes cylindric, dense, 2-5 cm. long; rachis densely short-villous; bracts narrowly 

 lanceolate, attenuate, exceeding the calyx; calyx-tube broadly turbinate, densely silky-villous. 

 10-ribbed, with a row of small glands between the ribs, 2.5 mm. long; lobes plumose, filiform 

 from a lance-triangular base, often with a pair of subulate glandular bristle-like lobes; corolla 

 light rose-colored or nearly white; petals each usually with a linear gland near the apex; blade 

 of the banner rhombic-cordate, 3.5-4 mm. long, with a semicircle of glands below, the claw 

 3 mm. long; blades of the wings 5 mm. long, those of the keel-petals 6 mm. long, the claws 3 mm. 

 long; pod densely villous and with a few large glands above, glabrate at the base. 



Type locality: Sierra Madre. west of Chihuahua. 

 Distribution: Chihuahua and Durango; Guanajuato(?). 



137. Parosela Sanctae-Crucis Rydberg, sp. nov. 



Dalea Wislizeni var. A. Gray, PI. Wright. 2: 38. 1853. 



A shrub, 5-10 dm. high; branches sparingly short pubescent, erect; leaves ascending, 

 2-3 cm. long; stipules setaceous, 2 mm. long; rachis short-pubescent; stipels gland-like; leaf- 

 lets 13-15, oblong, 3-5 mm. long, sparingly pilose above, soon glabrate, more densely short- 

 pubescent beneath; spikes terminal, peduncled, dense, 1-2 cm. long; peduncles 1-2.5 cm. long; 

 bracts narrowly lanceolate, long-acuminate, equaling the calyx, glandular-dotted and sparingly 

 pubescent; calyx-tube broadly turbinate, 2.5 mm. long, densely pilose, 10-ribbed, with a row 

 of glands in the intervals; lobes plumose, filiform from a lance-triangular base, often with a 

 pair of subulate gland-like lobes; corolla rose-colored; petals usually with a gland near the tip; 

 blade of the banner 2.5 mm. long, rhombic-cordate, with a semicircle of small glands below; 

 blades of the wings 4 mm. long, those of the keel-petals 5 mm. long; pod pilose and with a 

 few large glands above, glabrous below. 



Type locality: Santa Cruz, Sonora. 



Distribution: Sonora, Arizona, and western Chihuahua. 



138. Parosela leucantha Rydberg, sp. nov. 



A shrub, about 1 m. high; branches finely short-pubescent, about 2 cm. long; stipules 

 subulate-setaceous, 2-3 mm. long; rachis minutely pubescent; stipels gland-like; leaflets lance- 

 oblong, finely short-pubescent on both sides, minutely glandular-dotted beneath, acute, 

 2-4 mm. long; spikes dense, terminal, short-peduncled, 2-7 cm. long; bracts lanceolate, at- 

 tenuate, shorter than the calyx, pubescent and glandular-dotted, caducous; calyx-tube 2 mm. 

 long, broadly turbinate, pilose, 10-ribbed, with a row of glands in each interval; lobes filiform 

 from a triangular base, plumose, often with a pair of subulate gland-like lobes, 3 mm. long; 

 corolla white, the petals usually with a conspicuous gland near the apex and smaller glands 

 below or the wings glandless; blade of the banner cordate, 2.5-3 mm. long, equaling the claw; 

 blades of the wings 4-5 mm. long, those of the keel-petals 5-6 mm. long, the claws of both 

 3 mm. long; pod densely pubescent and minutely glandular above, glabrate near the base. 



Type collected in Tepic, 1892, Edward Palmer P, in part (herb. N. Y. Bot. Gard.). 

 Distribution: Tepic and northern Jalisco. 



