stem prostrate, scabro-hispidulous; leaflets thickish, immersedly veiny, with scabrous margins, rhombic-ovate or trowel-shaped, obtuse or acute; peduncles longer than the leaves, corymbo-racemulose, several-flowered, pedicels equalling the calyx; calyx-lobes short, broad, rounded, ciliolate; style slender, subterete, equally pubescent; legume tapering much at base, straight, 2–1-seeded. Root very thick, woody, and deeply descending. Stems many from the crown, trailing, 1–2 feet long. Petioles uncial, with ovato-rotund stipules and linear stipellæ. Leaflets 1/2– 3/4 inch broad and long, sometimes oblate, with a cartilaginous, denticulate margin. Peduncles 1–2 inches long, shortly racemose, 4–8–10-flowered. Flowers dark blue-purple, scented like violets. Pods uncial, 4–5 lines wide. Distinguished from D. hastæformis by the slender style, &c.