Hebecarpa barbeyana (Chod.) J. R. Abbott

Polygala zacatecana Blake, Contr. Gray Herb. 47: 26. 1916.
Several-stemmed, suffruticulose below, 1-1.3 dm. high, incurved-griseous-puberulous; leaves reduced, the lower oblong or oval, 4-5 mm. long, the upper linear-lanceolate, 4.5-10 mm. long,0.S-l mm. wide, puberulous, involute ; racemes loose, 2-5 cm. long; sepals lanceolate, acuminate; wings oval-obovate, 4 mm. long, 2.8 mm. wide, rounded, sparsely pubescent at apex and along midline; keel 4.5-5 mm. long; capsule oval, slightly broader at the base, ciliolate, 5.5 mm. long; seed 5 mm. long; aril very small, very sparsely pubescent with subglabrous umbo, the very narrow scarious margin entire.
Type locality-: Near Concepcion del Oro, Zacatecas. Distribution: Known only from the type locality.

Polygala longa Blake, Contr. Gray Herb. 47: 29. 1916.
Polygala tenuiloba Blake, Contr. Gray Herb. 47: 36. 1916.
Several-stemmed, suffruticulose below, 1.3-4.5 dm. high, densely incurved-griseous-puberulous; lower leaves oblong or oblong-oval, 0.8-1.7 cm. long, the middle and upper oblonglanceolate or -linear, 1.7-3.6 cm. long, 1.5-4 mm. wide, acute or acuminate, sometimes obtuse, griseous-puberulous; racemes loose, 2-10.5 cm. long; flowers purplish; sepals lanceolate, pubescent, 2.2-3.5 mm. long; wings oval or suborbicular, 3.5-5.5 mm. long, 2.4-4 mm. wide, rounded, rather sparsely pubescent; keel 4-5.7 mm. long; capsule oval, ciliolate, 7-8 mm. long; seed 4-4.5 mm. long; aril 1 mm. high, the dorsal margin 1.5 mm. long, the umbo 0.4 mm. high, pilose, the scarious margin strongly lobulate, with subdistinct or distinct dorsal and shorter lateral lobes.
Type locality: On the Pecos River. Texas. Distribution: Texas, Arizona, and Chihuahua.

Polygala intricata Blake, Contr. Gray Herb. 47: 26. 1916.
Stems about 1 dm. long, branching, flexuous, ascending, densely and canescently incurvedpuberulous; lowest leaves oblong, 3 mm. long, the middle and upper linear or linear-lanceolate, 11-14 mm. long, 1.5-2.5 mm. wide, subsessile, incurved-puberulous; racemes flexuous, 9—12flowered; sepals ovate-oblong to lanceolate, 2.5 mm. long; wings obovate, 3.5-4 mm. long, 1.8 mm. wide, rounded, ciliolate, at base sparsely incurved-puberulous; keel glabrous, purplish, 4—4.2 mm. long; capsule oval, ciliolate, 5.7-6.5 mm. long; seed subsericeous-pilose, 4 mm. long; aril 0.7-0.8 mm. high, the corneous umbo about 0.5 mm. high, densely spreading-pilose, the narrow scarious margin subentire, the dorsal lobe lacking.
Type locality: Saltillo, Coahuila. Distribution: Known only from the type locality.

Polygala racemosa Blake, Contr. Gray
Herb. 47: 28. 1916.
Several-stemmed, fruticulose below, 2.5-3.5 dm. high, densely incurved-puberulous but green; lower leaves strongly reduced, the middle and upper linear, 1.5-3.1 cm. long, 1.5-3 mm. wide, acute, incurved-puberulous; racemes 16-21 -flowered, 7-13 cm. long; flowers apparently greenish; sepals lanceolate, subacuminate, 2-2.3 mm. long; wings oval-obovate, 4.5-4.8 mm. long, 2.9 mm. wide, rounded, ciliolate, puberulous with incurved-spreading hairs below and toward apex; keel 4.5-4.8 mm. long; capsule oval, rounded at base, substipitate, ciliolate, 7-9.5 mm. long; seed 4.5 mm. long; aril 0.7-1 mm. high, the umbo pilosulous, the somewhat narrower scarious margin lobulate, the dorsal lobe very short, the lateral obsolete.
Type locality: Santa Eulalia Mountains, Chihuahua. Distribution: Southern Arizona and Chihuahua.

Polygala reducta Blake, Contr. Gray Herb. 47: 25. 1916.
Polygala scopulorum Brand. Univ. Calif. Publ. Bot. 6: 364. 1917.
Several-stemmed, suffruticulose below, 1.7 dm. high or less, incurved-puberulous, rarely nearly or quite glabrous; lower leaves narrowly oval-oblong, 5-9 mm. long, the middle and •Part 4, 1924] POLYGALACEAE 323
upper linear-lanceolate or linear, 5-23 mm. long, 0.5-2 mm. wide, sessile, involute, incurvedpuberulous; racemes very loose, 6-9 cm. long; sepals lanceolate, acute; wings elliptic-obovate, 4.5-5 mm. long, 3-4 mm. wide, obtuse, rarely apiculate, abruptly contracted at base, sparsely pubescent; capsule oval, ciliolate, 8-9.5 mm. long; seed 4.5-5 mm. long; aril 1 mm. high, the dorsal lobe spreading, 1.5 mm. long, the lateral lobes short, subentire, slightly deeper than the umbo.
Type locality: San Luis Potosi (state). Distribution: Coahuila to San Luis Potosi.

Polygala barbeyana Chod. Mem. Soc. Phys Geneve 31(2) 2 : 16. 1893.
Stems several, fruticulose below, up to 4 dm. high, densely incurved-pubescent or at length subglabrate; leaves reduced, the lowest oblong, 5 mm. long, the middle and upper subsquamiform, linear or linear-lanceolate, 5-10 mm. long, 1-1.5 mm. wide, subsessile; racemes loose, 1.7-11 cm. long; wings obovate-oval or suborbicular-oval, 3.5-4.5 mm. long, 2.5-3 mm. wide, acutish, pubescent along middle and toward apex, ciliate; capsule oval, rarely ovaloblong, slightly narrowed at base, ciliate, 5-7 mm. long; seed sericeous, 3 mm. long; aril small, about 0.7 mm. high, cap-shaped, subpedicellate by the pointed base of seed, with narrow not lobed scarious margin and more or less distinct but short dorsal lobe.
Type locality: San Luis Potosi (state). Distribution: Arizona to Coahuila and San Luis Potosi.

Polygala barbeyana là một loài thực vật có hoa trong họ Polygalaceae. Loài này được Chodat miêu tả khoa học đầu tiên năm 1893.