Paspalum pictum Ekman

Paspalum maculatum Nash, sp. nov
Stems tufted, up to 4 dm. tall, slender, sometimes branched below, glabrous; leaf-sheaths glabrous or sparingly hirsute; blades up to 1.5 dm. long, 1-2 mm. wide, erect, glabrous, usually folded; racemes 2-4, curved, 2-4 cm. long, the rachis about 0.25 mm. wide; spikelets in pairs, 0.8 nlm. long, 0.5 mm. wide, obovate, glabrous, the first scale wanting, the second 3-nerved, a little shorter than the spikelet, the third scale 5-nerved, as long as the spikelet, the apex black-tipped, the fruiting scale yellowish, strongly papillate longitudinally.
Type collected on the savannas of Boruca, Costa Rica, November, 1891, PiUier4474 (herb. John Donnell Smith, in herb. U. S. Dep. Agr.).
Distribution : Known only from the type locality.