Oxypappus scaber (Hook. & Arn.) Benth.

Oxypappus scaber (H. & A.) Benth. Bot. Voy. Sulph. 118. 1845
Chrysopsis scabra H. & A. Bot. Beech. Voy. 434. 1841.
Pedis Seeniannii Schultz-Bip; Seem. Bot. Voy. Herald 309. 1856. <
Penlachaela gracilis Benth.; Hook. Ic. 12: 1. 1872. ,
Oxypappus gracilis A. Gray; O. Hoffm. in E. &. P. Nat. Pfl. 4^: 257. 1890.
A slender branched annual; stem' 2-4 dm. high, hispid or glandular-scabrous above; lower leaves crowded and subrosulate, oblanceolate, 3-5 cm. long, dentate, hirsute with crisp hairs; stem-leaves lanceolate, dentate, opposite; those of the branches linear and bractlike, entire, often alternate; involucre 4 mm. high, 6 mm. broad, glandular-puberulent; bracts about 15, linear; ligules yellow, about 5 mm. long, 1-1.5 mm. wide; disk-corollas about 4 mm. long, yellow; achenes black, scarcely 2 mm. long; squamellae 3 mm. long.
Type locality : Between San Bias and Tepic, Territory of Tepic.
Distribution: Jalisco and Tepic.