Schistocarpha pseudoseleri H. Rob.

Schistocarpha velutina Rydberg, sp. nov
Neurolaena Lindeni Schultz-Bip. Ms. Not N. Lindeni Schultz-Bip.; A. Gray, 1861.
A perennial herb; stem pilose, densely so in the inflorescence; petioles 2-5 cm. long, narrowly winged throughout, connate at the base; leaf-blades ovate, deltoid-ovate or subcordate, decurrent on the petioles, coarsely dentate, more or less acuminate, 5-20 cm. long, densely pilose on both sides, almost velutinous, especially below; heads numerous, in leafy panicles; involucre 4-5 mm. high, 5-7 mm. broad; bracts oblong or elliptic, rounded at the apex", strongly striate, more or less pilose; ray-flowers 12-15, the corolla-tube 3 mm. long, the ligule oblong, 4-6 mm. long, 1.5-2 mm. wide; disk-corollas 4 mm. long, similar to those of the preceding species; pappus-bristles white, 4 mm. long.
Type collected at Mirador, Veracruz, 1842-3, Liebman 490 (Gray Herb). Distribution: Veracruz.

Schistocarpha bicolor Less. Linnaea 6: 409. 1831
Schistocarpia bicolor Pritzel, Ic. Ind. 999. 1855.
A perennial herb, originally described as suffrutescent ; stem spotted with red, more or less hirsute, 2-3 m. high; petioles 2-7 cm. long, winged, connate and often auriculate at the base; leaf-blades broadly ovate, triple-ribbed, 5-20 cm. long, 4-15 cm. wide, acuminate at the apex, abruptly contracted and decurrent at the base, serrate, more or less hirsute on both sides; inflorescence paniculate, leafy below; ultimate peduncles short; involucre 5-6 mm. high, 5-9 mm. broad; bracts imbricate in 3 series, striate, elliptic or oblong, all obtuse, the outer pubescent, the inner merely ciliate; paleae of the receptacle 3-cleft, 3-5 mm. long, the middle lobe much longer, attenuate; ray-flowers 12-18; corolla-tube 3 mm. long, the ligule white, 5-6 mm. long, 1.5-2 mm. wide, 5-veined; style-branches less than 1 mm. long; disk-flowers many; corolla 5 mm. long, the tube 1.5 mm. long, the throat cylindric, the lobes ovate, less than 0.5 mm. long; style-branches clavate ; achenes 1.5 mm. long, glabrous, slightly tapering downward; pappus-bristles white, 5 mm. long.
Type locality: Mexico.
Distribution: San Luis Potosi to Guatemala.