Latin American Crowngrass

Paspalum coavexum Fliigge, Gram. Monog. 175. 1810
Paspalum hemicryptum Wright ; Sauv. Anal. Acad. Ci. Habana 8 : 204. 1871. Paspalum pauperculum Fourn. Mex. PI. Gram. 10. 1881. Paspalum pauperculum alHus Fourn. Mex. PI, Gram. 10. 1881. Paspalum inops Vasey, Contr. U. S. Nat. Herb. 1 : 281. 1893. Paspalum inops major Vasey ; Beal, Grasses N. Am. 2 : 89. 1896.
Stems up to 6 dm. tall, glabrous; leaf-sheaths glabrous or papillose-hirsute; blades up to 2 dm. long and 1 cm. wide, papillose-hirsute, rarely glabrous; racemes 2 or 3, rarely 1, ascending or erect, 2-4 cm. long; spikelets ci!"cular, strongly convex, 2-3 mm. in diameter, glabrous, the first scale wanting, the second and third scales 5-nerved, the fruiting scale very convex, smooth and shining, deep-brown.
Type locality : Jorullo, Michoacan. Distribution : Mexico to Costa Rica ; Cuba.