suffruticose, diffuse or suberect, much-branched, nearly glabrous; leaflets ovato-lanceolate or lanceolate, rigid, setaceo-mucronate, glabrous; stipules sagittato-peltate, ovato-lanceolate, stipellæ subulate; peduncles longer than the leaves, 2–4-flowered at the summit; calyx campanulate, deeply 4- fid, the lobes lanceolate, acuminate, very acute; carina falcate-acute; alæ with an ear-shaped appendage to the claw; legume …? Stems ligneous, diffuse; the branches rigid and suberect. Petioles 1/4– 1/2 inch long. Adult leaves 1–2 1/2 inches long, 1/4– 1/2 inch wide near the base, quite glabrous, the younger puberulous, all tipped with a long, setaceous mucro. Peduncles 3–5 inches long, umbellate; pedicels 3–6 lines long. The two upper segments of the calyx are completely connate to the point, all are spreading or reflexed after the flowers open. Carina very acute, like that of a Crotalaria. This has quite the habit of V. angustifolia, but differs in the calyx and corolla, &c.