514 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
DISTRIBUTION. 
Open moist woods and savannas, Florida and the Greater Antilles. The type 
specimen from Florida. 
Cusa: Sierra Nipe near Woodfred, 
Shafer 3083. Herradura, Hitch- 
cock 115. Isle of Pines, Palmer 
& Riley 990. Without locality, 
Wright 3875 in part. 
Jamaica: Hills back of Barican, 
Hitchcock 9561. Bull Head 
Mountain, Hitchcock 9550. 
Porto Rico: Aguada, Sintenis 
Fig. 105.—Distribution of P. polycaulon. 5724. Monte Mesa. Chase 6276 
- ) PARSE 
Trujillo Alto, Chase 6767. Campo Alegre, Chase 6621. 
80. Panicum strigosum Muhl. 
Panicum sirigosum Muhl. in Ell. Bot. 8. C. & Ga. 1: 126. 1816; Contr. U. S. Nat. 
Herb. 15: 164. 1910. 
DISTRIBUTION. 
Sandy woods and open moist ground, southeastern United States to Colombia and 
in the Greater Antilles. Type specimen from South Carolina or Georgia. 
VERACRUZ: Minatitlan, Smith 555. 
GUATEMALA: Road from Gualan to 
Copan, Pittier 1800. Secan- 
quim, Pittier 257. 
Costa Rica: Between De Can- 
delaria and San Cristobal, 
Jiménez 459. 
Cusa: El Guama, Palmer & Riley 
213. Without locality, Wright 
3875 in part. 
Jamaica: Bull Head Mountain, Hitchcock 9551. 
Santo Dominao: Without locality, Eggers 2045 (K. U. Herb.). 
CoLomBia: Santa Marta, Smith 163. 
(Carwaiec : Aanrlere C2, 4010 
Fig. 106.—Distribution of P. strigoswm. 
ANGUSTIFOLIA. 
Nodes bearded; plants grayish-villous; autumnal blades flat, 
TUM OTASOL Ee eerie nee eters oe arenas ee ert eer Re 82. P. chrysopsidifolium. 
Nodes not bearded; plants villous only at base, or nearly 
glabrous; autumnal blades involute. 
Spikelets 3 to 3.5 mm. long, pointed.................-. 83. P. fusiforme. 
Spikelets lessthan 3 mm. long, not pointed or obscurely so. 
Plants glabrous or nearly so; autumnal culms erect. 
Spikelets subsecund along the suberect panicle 
ptanches.ye 2 Wii 2s ' coe aes seem eee 86. 
Spikelets not subsecund; panicle looseand open. 85. 
Plants pubescent, at least on the lower half. 
Spikelets about 2.4 mm., rarely only 2.1mm., 
long; vernal blades 7 to 12 cm. long; 
autumnal blades not faleate............ 84. P. arenicoloides. 
Spikelets not over 2 mm. long; vernal blades 4 
to 6 cm. long; autumnal blades much 
crowded, falcateta sas 22a eee ee 81. P. aciculare. 
. neuranthum. 
. ovinum. 
se 
