MANUAL OF THE GRASSES OF THE WEST INDIES 283 
67. Panicum aciculare Desyv.; Poir., in Lam. Encycl. Sup. 4: 274. 
1816. Probably Puerto Rico. 
Panicum setaceum Muhl., Descr. Gram. 99. 1817. Georgia. 
Vernal phase similar to that of P. angustifolium but lower and 
more slender; spikelets about 2 mm long, very obtuse. Autumnal 
phase bushy-branched, the blades involute (fig. 259). 
Pine woods, southeastern United States; the Greater Antilles; Hon- 
duras. The type is erroneously said to come from the East Indies, 
but it probably came from the West Indies. 
FIGURE 259.—Panicum aciculare. Plant, X 1; two views of spikelet, and floret, X 10 (vernal phase, Chase 
7148; autumnal phase, Hitchcock 317). 
Cusa: Pinar del Rio, Mitchcock 23253, 23298; Ekman 12794, 17891; 
Britton and Gager 7064. Remates, Hkman 11374; Léon 15355. 
Laguna Jovero, Shafer 10733, 10823. Mordazo, Léon 9236, 9576. 
Sierra de Nipe, Hkman 1847, 1848, 2212, 6030, 9066; Shafer 2968. 
Guaro, Hitchcock 23428. Without locality, Wright 3454, 3461. Isla 
de Pinos, Ekman 11946, 11996, 12189. 
JAMAICA: Peckham, Harris 12812. 
Haiti: Pétionville, Ekman H 1312. 
Dominican Repusuic: Cuenca, Ekman 
H 11056, H 11430. © 
Purrto Rico: Mayaguez, Holm 47, 47a, 
47b; Chase 6273. Campo Alegre, Chase 
6624. Sierra de Naguabo, Shafer 3531. 
68. Panicum nitidum Lam., Tabl. Encyel. FIGURE 260.—Panicum nitidum. 
aie aloe Carokina: 0 ae. Pi atet DAR 
Vernal culms erect or nearly so, 30 to 60 
cm tall, the nodes bearded; sheaths glabrous or the lower pubescent, 
more or less mottled or glandular; blades glabrous, 5 to 12 cm long, 
5 to 10 mm wide, the upper often reflexed; panicles ovoid, 5 to 8 
em long, the branches ascending; spikelets elliptic, pubescent, 2 mm 
long. Autumnal phese with large clusters of branches from the 
nodes, the reduced blades numerous (fig. 260). 
