Dalea elata Hook. & Arn.

Parosela flava (Mart. & Gal.) Rydberg
Dalea flava Mart. & Gal. Bull. Acad. Brux. 10 5 : 40. 1843. Parosela pauciflora Rose, Contr. U. S. Nat. Herb. 10: 106. 1906.
An annual or perennial; stem more or less shortvillous, 3-12 dm. high, sometimes woody below, with ascending branches, striate or angled; leaves 2-4 cm. long; stipules subulate, 2-3 mm. long; petiole 2-5 mm. long; rachis shortvillous; stipels obsolete; leaflets 15-25, oblong, elliptic, or obovate, 4-S mm. long, villous on both sides, conspicuously glandular-dotted beneath; peduncles terminating the branches, 1-2 cm. long; spikes short, cylindric, dense, 2-4 cm. long; bracts lanceolate, tardily deciduous, villous, acuminate, longer than the calyx; calyx-tube turbinate, 2.5 mm. long, sparingly silky, strongly 10-ribbed, with conspicuous yellow glands between the ribs; lobes subulate, silky-plumose, equaling the tube; corolla ochroleucous; blade of the banner orbicular, nearly 1.5 mm. long. 2 mm. wide, the claw 2.5 mm. long; blades of the wings and keel-petals broadly oblong, oblique, with a rounded basal lobe, 2 mm. long, the claws less than 0.5 mm. long; pod villous above.
Type locality: Zacuapan, Veracruz.
Distribution: Sonora and Jalisco to Veracruz and Puebla.

Parosela elata (H. & A.) Rydberg
Dalea elala H. & A. Bot. Beech. Voy. 416. 1S40.
A tall annual herb; stem 5-10 dm. high, branched above, glabrous, striate, angled; leaves 4—7 cm. long; stipules subulate, small; leaflets 13-21, ellipft:, S— 12 mm. long, glabrous, paler and minutely glandular-dotted beneath; peduncles opposite the leaves, 2-4 cm. long; spikes dense, cylindric, 2-5 cm. long; bracts lanceolate, acuminate, villous, longer than the calyx; calyx-tube turbinate, 2.5 mm. long, glossy and glabrous or with a few scattered hairs, very strongly 10-ribbed, with a row of very conspicuous dark-brown oblong glands in each interval; lobes subulate, silky-plumose, equaling the tube; corolla ochroleucous; blade of the banner suborbicular, about 1-5 mm. long, shorter than the claw; blades of the other petals obliquely oblong, 2 mm. long, short-clawed; pod villous above.
Type locality: Acapulco. Distribution: Type locality and vicinity.