290 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
4°cm long, the lower branches often reflexed; spikelets 1.5 mm long, 
puberulent. 
Autumnal phase much branched at all except the upper- 
most nodes forming a bushy mass (fig. 275). 
Sandy woods, southeastern United States; Cuba, Puerto Rico. 
FIGURE 275.—Panicum portorii- 
cense. Two views of spikelet, 
and floret, X 10 (Ashe). 
Cusa: Loma Pelada, Wright 3876. 
Wilson 14216. 
Puerto Rico: Sardinera, Britton 8701. 
Carolina, Britton and Brown 5718. Laguna Tortuguero, 
6631, 6783. 
FIGURE 276.—Panicum patulum. Two 
views of spikelet, and floret, xX 10 
(type). 
Isla de Pinos, Britton and 
San Juan, Chase 6357, 
Britton, Cowell, and Brown 3836; Britton and Chardon 6831. Campo 
FIGURE 277.—Panicumlancearium. Plant, X 1; two 
views of spikelet, and floret, X 10 (Chase 4545). 
Alegre, Chase 6434. Dorado, 
Britton and Brown 6651, 6740. 
Vega Baja, Heller 639; Underwood 
and Griggs 955. Santurce, Heller 
982b, 6442. Sabana Llana, Stev- 
enson 2783. 
84. Panicum patulum (Scribn. 
and Merr.) Hitche., Rhodora 
8: 209. 1906. 
Pamcum nashianum patulum 
Seribn. and Merr., U. 8S. Dept. 
Agr., Div. Agrost. Cire. 272 9. 
1900. Florida. 
Differing from P. lancearium 
chiefly in the decumbent vernal 
habit and the lax blades pubes- 
cent on both surfaces; spikelets 
densely pubescent, more globular- 
pyriform. Autumnal phase more 
freely branching, forming large 
mats (fig. 276). 
Low woods, southeastern 
United States; Hispaniola. 
Dominican Repusuic: Mon- 
cion, Hkman 12705. 
85. Panicum lancearium ‘Trin., 
Gram; Pian.2:23%)) hSQike 
North America. 
Vernal phase usually purplish; 
culms wiry, 20 to 50 em tall, mi- 
nutely crisp-puberulent; blades 
2 to 6 cm long, 3 to 7 mm wide, 
