87 
Fic. 383. PANICUM MANATENSE Nash, Bul. Torr. Bot. Club, 24: 42. 
1897.—A glabrous, much-branched perennial with diffusely anger 
culms 2-4 dm. (8-16) long, nearly erect leaves 3.5-9 em. (13-34) long, and 
ovate, rath 6 cm. (11-27%) long. Ligule truncate, very 
short: leaf-blades rounded and sparsely ciliate at the base. Spikelets (a, b, e) 
el ene, PE t 2 3.5 mm. yd long, with distinct papille 
betwee and third glumes, the latter (d) with a 
Wall eae 5 eee (e) eee de eee en and m Georgia to 
Louisiana. 
Distinguished P. commutatum by its larger and more acute spikelets, 
Closely allied to P. joorii Vasey, but readily separated from from that species by its 
larger spikelets. 
