Pectis depressa Fern.

Pectis depressa Fernald, Proc. Am. Acad. 33: 71. 1897
A depressed annual, branched at the base, forming mats 3-4 dm. across; stem villous, much branched; leaves linear-oblong, 1-2 cm. long, 1.5-5 mm. wide, mucronate, ciliolate on the margin, slightly villous on the midrib beneath, with 3-5 pairs of bristles near the base; glands scattered; heads solitary in the forks and at the ends of the branches; peduncles slender, about 2 mm. long; involucre campanulate, 4-5 mm. high, 3-4 mm. broad; bracts 5, unequal, oblong-obovate, obtuse, thin, ciliate, rounded at the apex, striate, keeled at the base; rayflowers 5; ligules yellow, oblong, 3 mm. long; disk-flowers 30-35; corollas 2.5 mm. long; achenes 2-2.5 mm. long, short-hispid on the angles; pappus of the disk-flowers of 12-15, linear-subulate unequal squamcUae. the longer 2 mm. long; that of the ray-flowers usually reduced to a short irregular crown of more or less united minute squamellae.
TyPE loc.lity: Acapulco. Guerrero.
Distribution: Known only from the type locality.