MANUAL OF THE GRASSES OF THE WEST INDIES 285 
spikelets about 1.3 mm long, pubescent. Autumnal phase ascending, 
usually decumbent at base, finally with more or less fascicled branch- 
lets, the blades not greatly reduced (fig. 263). 
Low pinelands, southeastern United States; Cuba, Hispaniola, and 
Puerto Rico. 
Cusa: Herradura, Hitchcock 554, 560, 23438. Guane, Léon 6903. 
San Julian, Ekman 11138. Western Cuba, Wright 3460, 3463. 
Puerto Rico: San Juan, Chase 6770. Sierra de Naguabo, Shafer 
30080. 
Dominican Repusuic: Matanzas, Ekman H 15886. Sabana de 
la Mar, Ekman H 15636. 
72. Panicum wrightianum Scribn., U. S. Dept. Agr., Div. Agrost. 
Bull: 11: 44. f.4. 1898. Cuba, Wright 3463. 
Vernal culms weak and slender, ascending from a decumbent base, 
minutely puberulent; sheaths glabrous or puberulent; blades spreading, 
elabrous or puberulent; 2 to 4 cm long, 3 to 5 mm wide; panicles 3 to 
6 cm long; spikelets 1 mm long, pubescent. Autumnal phase decum- 
bent-spreading, becoming bushy-branched, the flat or subinvolute 
blades not much reduced (fig. 264). 
jaeaeth a 
Ui: 
y 
FIGURE 263.—Panicum FIGURE 264.—Panicum FIGURE 265.—Panicum 
leucothriz. Two views wrightianum. Two longiligulatum. Two 
of spikelet, and floret, x views of spikelet, and views of spikelet, and 
10 (type). floret, X 10 (type). floret, X 10 (type). 
Margins of streams and ponds, southeastern United States and 
British Honduras; Cuba. 
Cusa: Damuji, Ekman 10937. Pinar del Rio, Britton and Gager 
6952. Vuelto Abajo, Wright 3463. Remates de Guane, Léon 15428. 
Remates, Hkman 11215, 11360. La Grifa, Ekman 11266. Sabalo, 
Ekman 11438. Herradura, Ekman 11586. Laguna Santa Maria, 
Ekman 17239. 
73. Panicum longiligulatum Nash, Bull. Torrey Bot. Club 26: 574. 
1899. Florida. 
Vernal culms erect or ascending at base, glabrous, relatively stout, 
30 to 70 cm tall; sheaths glabrous; ligule 2 to 3 mm long; blades 
rather thick and firm, glabrous on the upper surface, puberulent 
beneath, 4 to 8 cm long, 4 to 8 mm wide; panicles 3 to 8 cm long; 
spikelets a little exceeding 1 mm long, pubescent. Autumnal phase 
more or less reclining, the branchlets crowded, the reduced blades 
subinvolute (fig. 265). 
Pine barrens and swamps, southeastern United States and British 
Honduras; Hispaniola. 
Dominican ReEpusuic: Cuenca, Ekman H11058. Bayaguana, 
Ekman H11099. 
74, Panicum acuminatum Swartz, Prodr. Veg. Ind. Occ. 23. 1788. 
Jamaica. 
Panicum ornatum Desv.; Hamilt., Prodr. Pl. Ind. Occ. 11. 1825. 
Puerto Rico. 
