THE GRASSES OF BRITISH HONDURAS AND THE PETEN, GUATEMALA 173 BRITISH HONDURAS. Belize District: Baker's Pine Ridge, Lundell 3783. Belize, Bartlett 11232. Manatee Lagoon, Peck 271. 22. Panicum strigosum Muhl. in Ell. Bot. S. C. & Ga. 1: 126. 1816. Perennial; culms in dense, soft, spreading tufts, mostly 10 to 20 cm. tall; sheaths glabrous, the margins ciliate; blades thin, bright green, 2 to 5 cm. long, 3 to 6 mm. wide, conspicuously papillose-ciliate on the margins, other- wise nearly glabrous; panicles 2 to 5 cm. long, the axis pilose, the branches stiffly ascending or spreading; spikelets 1.3 to 1.5 mm. long; first glume rounded, 0.5 mm. long. Sandy woods and moist open ground, southeastern United States, Mexico, and the West Indies to Colombia. BRITISH HONDURAS. El Cayo District: Mountain Pine Ridge, Bartlett 11592, 11635. 23. Panicum fusiforme Hitche. Contr. U. S. Nat. Herb. 12: 222. 1909. Perennial; culms tufted, erect, 30 to 50 cm. tall; blades linear, flat, 6 to 15 cm. long, 2 to 4 mm. wide, narrowly ascending, glabrous or nearly so; panicle branches ascending; spikelets 3 to 3.5 mm. long, fusiform, pubescent; first glume somewhat remote, 1.5 mm. long, acute. Autumnal phase becom- ing branched and somewhat top-heavy with slender involute blades. Pine woods and open ground, southeastern United States, British Honduras, Cuba, and Jamaica. BRITISH HONDURAS. Belize District: Manatee Lagoon. Peck 453a. El Cayo District: Mountain Pine Ridge, Bartlett 11590, 11780. 24. Panicum longilignlatum Nash. Bull. Torrey Club 26: 574. 1899. Perennial; culms 30 to 70 cm. tall, slender or rather stout, erect or ascend- ing; ligule 3 mm. long; blades 4 to 8 cm. long, 4 to 8 mm. wide, glabrous above, minutely pubescent beneath; panicles 3 to 8 cm. long, the branches rather densely flowered, ascending; spikelets 1.2 mm. long, pubescent. Autumnal phase spreading.or reclining with reduced panicles and small, more or less involute blades. Pineland and swamps, southeastern United States, Hispaniola and British Honduras. BRITISH HONDURAS. Belize District: Sibun River, Bartlett 11397. Stann Creek District: Stann Creek Valley, Kinloch 191. 25. Panicum wrightianum Scribn. U. S. Dept. Agr. Div. Agrost. Bull. 11: 44, f. 4. 1898. Perennial; culms densely tufted, slender, spreading, becoming decumbent, about 20 cm. tall or sometimes taller; ligule 2 to 3 mm. long; blades flat, 2 to 4 cm. long, 2 to 4 mm. wide, minutely pubescent below, short-pilose to nearly glabrous above, the margins scabrous; panicles 2 to 3 cm. long (or as much as 6 cm.), the branches ascending; spikelets long-pedicellate, 1 mm. long, pubescent. Autumnal phase bushy branched with scarcely reduced blades and panicles. Moist sandy or mucky soil, southeastern United States, Cuba, and British Honduras. BRITISH HONDURAS. Belize District: Belize, Bartlett 11256. 26. Panicum olivaceum Hitchc. & Chase, Contr. U. S. Nat. Herb. 15: 225, f. 234. 1910. Perennial; culms erect or decumbent at the base, papillose-pilose, the nodes bearded; blades olive green, mostly 4 to 6 cm. long, 5 to 8 mm. wide, softly pubescent, the margins ciliate; ligule 3 to 5 mm. long; panicles usually