Digitaria pittieri (Hack.) Henrard

Valota pittieri (Hack.) Chase, Proc. Biol. Soc
Wash. 19: 188. 1906.
Panicum Pittieri Hack. Oesterr. Bot. Zeits. 51 : 367. 1901.
Stems up to 1 m. tall, glabrous, leafy, the nodes black; leaf -sheaths papillose-hispid; blades 7-10 cm. long, 7-10 mm. wide, papillose-hirsute; inflorescence 1-1.5 dm. long, of 8-12 slender ascending racemes, 7-12 cm. long; spikelets usually in pairs, sometimes single, about 3 mm. long, exclusive of the hairs, lanceolate, the first scale rudimentary, the second and third scales pubescent with long hairs, especially on the margins, the 3-nerved second about three fourths as long as the fruiting scale, the 5-nerved third about equaling it, the fruiting scale brown, about 3 mm. long, lanceolate, acuminate.
Type locality : Rio Tirili, near San Jos^, Costa Rica. Distribution : Known only from the type locality.