Indigofera miniata Ortega

Indigofera nana Rydberg, sp. nov
A dwarf perennial, with a thick root; stems numerous, 1 dm. high or less, canescent; stipules subulate-setaceous, 4-5 mm. long; leaves spreading, 1-2 cm. long; rachis and petiole strigose; leaflets 7-11, cuneate or oblanceolate, rounded or obtuse at the apex, tapering at the base, 5-10 mm. long, canescent; racemes 3-4 cm. long, rather dense; bracts lancesubulate; calyx strigose; corolla pink. 8-9 mm. long; pod 2.5-3 cm. long, 3 mm. thick, rather abruptly acute, 10-12-seeded; seeds 2-2.5 mm. long, 1.5 mm. thick.
Type collected at Sunguato, near Morelia. Michoacan, June 24, 1910, Fr. Arsene (herb. N. Y. Bot. Card.).
Distribution: Michoacan and Puebla.

Indigofera brevipes (S. Wats.) Rydberg, sp. nov
Indigofera leptosepala brevipes S. Wats. Proc. Am. Acad. 17: 342. 1882.
A perennial, with a thick root; stems several, branched, 1-3 dm. long, ascending or procumbent, strigose; stipules subulate, 2-3 mm. long; leaves spreading, 2-4 cm. long; rachis and petiole strigose; leaflets 4-7, grayish-strigose on both sides, those of the lower leaves obovate or cuneate, obtuse or rounded at the apex, 0.5-1 cm. long, those of the later leaves oblanceolate and obtuse or acutish, 1-1.5 cm., rarely 2 cm. long; peduncles 1-2 cm. long, not exceeding the leaves; racemes few-flowered, dense and short; bracts subulate; corolla pinkish, 7-S mm. long; pod 2-2.5 cm. long, 2 mm. thick, often somewhat curved, abruptly acute at the apex, 6-8-seeded; seeds 1.5 mm. long, 1 mm. thick Perhaps grading into /. miniata.
Type locality: San Rafael Mountains. San Luis Potosi.
Distribution: Southern Texas to Chihuahua, Durango, San Luis Putosi, and Tamaulipas

Indigofera hartwegii Rydberg
Indigofera mexicana Benth. PI. Hartw. 286. 1848. Not /. mexicana I., f. 1781.
A perennial, with a thick root and short woody caudex; stem woody at the base, ascending, 1-3 dm. long, somewhat angled, striate, branched; stipules fuscous, subulate or lanceolate, 2-3 mm. long; leaves spreading, 1-2 cm. long; rachis and petiole strigose; leaflets 5-9, oblanceolate or cuneate, 5-10 mm. long, 2-4 mm. wide, cuneate at the base, sessile, rounded or obtuse, and mucronate at the apex, glabrous or very sparingly strigose above, grayish-strigose beneath ; peduncle 1-2 cm. long; racemes short and dense; bracts lanceolate-subulate, fuscous, deciduous, shorter than the calyx; calyx strigose, 4 mm. long; corolla 6-7 mm. long; pod straight, 1.5-2 cm. long, 2.5 mm. thick, strigose, tapering at the apex, 6-12-seeded; seeds 2 mm. long, fully 1 mm. thick.
Type locality: Le6n (Guanajuato).
Distribution : Jalisco and Guanajuato to Oaxaca and Chiapas.

Indigofera miniata Ortega, Dec. 98. 1798
Indigofera ornithopodioides Schlecht. & Cham. I.innaea 5: 577. 1830. Not /. ornithopodioides Schum. 1827.
A perennial, with a thick woody root; stems several, branched, strigose, spreading or procumbent, 2-5 dm. long, slender, terete; stipules subulate, 2 mm. long; leaves spreading, 1-3 cm. long; rachis and petiole strigose; leaflets 5-9, linear-oblong or oblanceolate, 0.5-15 cm. long, acute, tapering at the base, subsessile, strigose-canescent on both sides; racemes lax, 3-8 em. long; calyx canescent, 4-5 mm, long; corolla 5-7 mm. long, light-scarlet; pod 1-2 cm. long, 2 mm. thick, tapering into a stout beak, 4-8-seeded; seeds 1.5 mm. long, 1 mm. thick.
Type locality: Cuba.
Distribution: Subtropical Florida; Cuba; southern Texas to Veracruz and Morelos.

Indigofera sphenoides Rydberg, sp nov
A perennial ; stems branching, decumbent, 3-4 dm. long, sparingly strigose ; stipules subulate, 2 mm. long; leaves spreading, 2-3 cm. long; rachis and petiole strigose; leaflets 4-8 (the lower pair usually represented by a single leaflet), cuneate, 5-9 mm. long, truncate or retuse at the apex, sparingly strigose on both sides; raeemes lax, 7-10 cm. long, bearing the flowers near the end; bracts subulate, shorter than the calyx; calyx strigose, 4-5 mm. long; corolla rosepurple, 7-S mm. long; pod 2.5-3 cm. long, 2.5 mm. broad, straight, strigose, 6-9-seeded; seeds 2 mm. long, 1.5 mm. thick, grayish-brown, mottled.
Type collected at San Dieguito, San Luis Potosi, June 13-16, 1904, Edward Palmer 95 (Gray Herbarium).