Part 2, 1920] FABACEAE: PSORALEAE 91 



the blade of the latter ovate. Wings and keel-petals inserted above the middle of the staminal 

 tube. Pod hairy at the summit. 



103. Parosela tomentosa (Cav.) Rose, Contr. U. S. Nat. 

 Herb. 12: 273. 1909. 



Psoralen tomentosa Cav. Ic. 3: 21. 1794. 



Dalea tomentosa Willd. Sp. PI. 3: 1341. 1803. 



Dalea onobryihioides Moc. & Sesse;,DC. Prodr. 2: 246, as synonym. 1825. 



Dalea verbenacea Schleeht. & Cham. I,innaea 5: 579. 1830. 



Dalea argcnlea G. Don, Gen. Hist. 2: 225. 1832. 



Parosela compailifiora Rose, MS. in herb. 



A shrub, about 1 m. high; stems densely villous, branched above; leaves ascending, 

 2-4 cm. long; stipules setaceous, 2 mm. long; petiole 4-5 mm. long; rachis densely villous; 

 stipels gland-like; leaflets 3-7, obovate or oblanceolate, acute or mucronate, densely silky- 

 villous on both sides, glandular-dotted beneath, 8-12 mm. long; peduncles terminating the 

 branches; spikes dense, acute, 1-3 cm. long; bracts lanceolate, acuminate, longer than the buds, 

 densely silky; calyx-tube broadly campanula te, not strongly ribbed, densely villous, nearly 

 2.5 mm. long; corolla purple or pink; Made of the banner orbicular, fully 2 mm. long, the claw 

 2.5 mm. long; blades of the other petals 3.5 mm. long, the claws 1.5 mm. long; pod pubescent 

 above. 



Type locality: Mexico. 

 Distribution: Veracruz to Jalisco. 

 Illustration: Cav. Ic. pi. 240. 



104. Parosela psoraleoides (Moric.) Rose, Contr. U. S. Nat. Herb. 

 10: 104. 1906. 



Dalea verbenacea sericea Schleeht. Linnaea 5: 579. 1830. 

 Dalea psoraleoides Moric. M6m. Soc. Geneve 6: 533. 1833. 

 Dalea mdcanicola Donn. Smith, Bot. Gaz. 56: 52. 1913. 



A shrub, 5-12 dm. high; stem erect, branched above, very leafy; branches densely villous, 

 not glandular-tubercled ; leaves 1-2 cm. long; stipules subulate, about 5 mm. long; petiole 

 3-5 mm. long; rachis white-villous; leaflets 5-9, oblong-obovate or elliptic, mucronate- 

 cuspidate. 5-10 mm. long, densely white-silky on both sides; spikes sessile or short-peduncled, 

 dense, cylindric, 1-4 cm. long, 8 mm. thick; bracts lanceolate, acuminate, sericeous longer 

 than the buds, persistent; calyx-tube campanulate, fully 2 mm. long more or less villous, 

 10-ribbed; lobes lance-subulate, the lower somewhat shorter than the calyx, the rest half as 

 long; banner yellowish, the blade ovate, 2 mm. long, a little shorcer than the claw; wings 

 and keel light-pink at first, turning yellowish, the blades 2-2.5 mm. long, the claws 1.5 mm. 

 long; pod hairy at the summit. 



Type locality: Near Cuernavaca, Morelos. 

 Distribution: Veracruz to Jalisco and Guatemala. 

 Illustrations: Mem. Soc. Geneve 6: pi. 4; Moric. PI. Nov. pi. 4. 



XXIV. Pilosissimae. Low intricately branched shrubi. Leaflets small and rather 

 crowded, long-pilose. Spikes oblong, numerous, dense, at the ends of leafy branches; bracts 

 ovate, as long as the calyx. Calyx-tube campanulate, pubescent not conspicuously punctate; 

 lobes lance-deltoid, less than half as long as the tube. Corolla sky-blue. Blade of the 

 banner ov'al, with a cordate base. Wings and keel-petals distinct, inserted near the base of 

 the staminal tube, the blades oblong, with obliquely cordate base. Pod slightly pilose. 



105. Parosela pilosissima Rydberg, sp. nov. 



A low shrub, 2-4 dm. high; branches purplish, puberulent when young, glabrate in age; 

 leaves 1.5-3 cm Jong, spreading; stipules subulate, 3-5 mm. long; rachis sparingly pilose; 

 stipels minute, subulate; leaflets 9-15, elliptic or oval, 2-4 mm. long, glabrous above, long- 

 pilose beneath; spikes peduncled at the ends of the branches, dense, cylindric-oblong, 1-3 cm. 

 long; bracts acuminate, glandular-dotted; calyx-tube campanulate, 3 mm. long, pubescent; 

 lobes lance-deltoid, 1 mm. long, acute; corolla blue; blade of the banner rounded at the apex, 



