Leptochloa scabra Nees

Leptochloa scabra Nees, Agrost. Bras. 435. 1829
Leplochloa Langloisii Vasey, Bull. Torrey Club 12: 7. 1885. (Type from Louisiana, Langlois.) Leptochloa Liebmanni Foum. Mex. PI. Gram. 2: 147. 1886. (Type from Antigua, Mexico, Liebmann 248.)
Annual; culms stout, erect, branching, usually more than a meter tall; sheaths glabrous or scaberulous, rounded on the back, usually shorter but sometimes longer than the internodes; ligule ciliate, 1-2 mm. long; blades flat, lax, 10-45 cm. long, 6-14 mm. wide, scabrous; inflorescence 20-35 cm. long; spikes numerous, crowded, fiexuous, spreading, the lower mostly 6-8 cm. long, the upper one somewhat shorter; spikelets 3-4-flowered, 3-4 mm. long; glumes acute or acuminate, 1-nerved, the first 1 mm. long, the second 1.5 mm. long; lemmas 2 mm. long, acute or minutely lobed, mucronate, pilose on the lower half of the midnerve and margins.
Type locality: Par4. Brazil.
Distribution: Swamps, Louisiana; Tabasco; West Indies, and southward to Peru and Brazil.