Dalea humilis G. Don

Parosela ervoides (Benth.) Rydberg
Dalea ervoides Benth.; Hemsl. Diag. PI. Nov. 6. 1S7S.
A slender annual; stems 1-3 dm. high, sparingly appressed-silky, 1-3 dm. high, branched; leaves 2-4 cm. long; stipules subulate-setaceous, about 2 mm. long; petiole 5-10 mm. long; rachis sparingly silky, glandless; stipels obsolete; leaflets 3-5 (rarely 7), linear-lanceolate to elliptic, acute at both ends, 6-15 mm. long, sparingly silky; peduncles opposite the leaves, 2-5 cm. long; spikes dense, 1-3 cm. long; bracts ovate-lanceolate, acuminate, silky-pubescent, scarious-margined below; calyx-tube turbinate, 2 mm. long, silky, 10-ribbed; lobes with lanceolate bases, filiform-acuminate, 2-2.5 mm. long; corolla pinkish or white; blade of the banner cordate, rounded at the apex, 2 mm. long, shorter than the claw; blades of the wings elliptic, with a rounded basal lobe, 2.5 mm. long, those of the keel-petals broadly obliquely obovate, with a smaller basal lobe, 2.5 mm. long, the claws of both 1 mm. long; pod sparingly silky above.
Type locality: Real del Monte. Hidalgo.
Distribution: Zacatecas and Jalisco to Puebla.

Parosela inconspicua (S. Schauer) Rose, Contr. U. S. Nat Herb. 10: 105. 1906.
?Dalea humilis G. Don, Gen. Hist. 2: 224. 1832. Not Psoralen humilis Mill. 1768. IDalea herbacea Moc. & Sesse; G. Don, Gen. Hist. 2: 224, as synonym. 1832. Dalea inconspicua S. Schauer, Linnaea 20: 744. 1847.
A slender annual; stem 1-3 dm. high, branched, more or less silky; leaves spreading, 3-5 cm. long; stipules setaceous, 5-8 mm. long, somewhat silky; petiole about 1 cm. long; rachis silky-pubescent, not glandular; leaflets 3-7 (rarely 9), from narrowly lance-linear to oblanceolate, 5-15 mm. long, acute at both ends, sparingly silky on both sides; peduncles opposite the leaves, 2-5 cm. long; spikes dense, 1-5 cm. long; bracts linear-lanceolate, attenuate, 6-10 mm. long, longer than the calyx, green, slightly scarious-margined below; calyxtube turbinate, 2 mm. long, 10-ribbed, silky; lobes with a lanceolate base, filiform-attenuate, 4-5 mm. long, silky-plumose; corolla pinkish or white; blade of the banner rounded-cordate, 3 mm. long, the claw 3 mm. long; blades of the wings obliquely elliptic, with a rounded basal lobe, 3.5-4 mm. long, those of the keel-petals broadly obliquely obovate, with a smaller basal lobe, 3-3.5 mm. long, the claws of both 1 mm. long; pod silky-pubescent.
Type locality: Oaxaca.
Distribution: Jalisco to Puebla and Oaxaca.