Marina gracilis Liebm.

Parosela delicata Rose, Contr. U. S. Nat. Herb. 8: 304 1905.
Marina gracilis Liebm. Vidensk. Meddel. 1853: 103. 1854. Not Parosela gracilis (Kunth) Rose,
1906. Dalca delicata Greemnan, Field Mus. Publ. Bot. 2: 331. 1912.
A slender annual; stem branched, 2-4 dm. high, glabrous, glandular-punctate; leaves delicate, 2-3 cm. long, ascending; stipules minute, subulate; petioles 1-3 mm. long; rachis slightly margined, glabrous; stipels minute; leaflets 15-31, about 2 mm. long, oblong-cuneate, retuse, glabrous, punctate along the margins and on the lower surface; peduncles slender, 2-3 cm. long; racemes lax, 1-2 cm. long, 3-9-flowered; pedicels about 1 mm. long; calyx-tube turbinate, strongly 10-ribbed, sparingly silky on the ribs, 2.5 mm. long; lobes ovate, equaling the tube, short-acuminate, serrulate on the margins; corolla purplish; blade of the banner 1—1.5 mm. long, and a little broader, suborbicular, slightly shorter than the claw; blades of the wings and keel-petals 4.5-5 mm. long, the claws 1.5 mm. long; pod broadly obliquely obovate, shorter than the calyx, sparingly pubescent, with a short erect beak.
Type locality: Iguala, Guerrero. Distribution: Guerrero.