BOTANY OF THE MAYA AREA 8. Paspalum paniculatum L. Syst. Nat. ed. 10. 2: 855. 1759. Perennial; culms usually coarse in tough clumps, mostly about 1 m. tall; blades 1 to 2 cm. wide, rounded at the base, glabrous, scabrous or sparsely hispid; panicles pyramidal; racemes several to many, crowded, arcuate- ascending or spreading; spikelets crowded, in pairs, 1.5 mm. long, pubescent. Open ground, often a weed in cultivated places, Mexico and the West Indies to Argentina; also in West Africa, Society Islands and Australia. BRITISH HONDURAS. Belize District: Manatee River, Smart 65. Manatee Lagoon, Peck 970. Stann Creek District: Middlesex, Smart 26. Toledo District: Toledo, Peck 542. 9. Paspalum caspitosum Fliigge, Monogr. Pasp. 161. 1810. Perennial; culms in dense erect or spreading clumps, mostly 30 to 60 cm. tall, the leaves usually crowded toward the base; blades flat or loosely rolled, ciliate toward the base; racemes 3 to 6, remote, stiffly ascending or spreading, more or less arcuate; spikelets in pairs, 1.5 to 1.8 mm. long, sparsely ap- pressed pubescent. Shady places in limestone soil and in sandy pinelands, southern Florida, Yucatan, Central America and the West Indies. BRITISH HONDURAS. Orange Walk District: Honey Camp, Lundell 568. Belize District: Gracie Rock, Gentle 1597. Toledo District: Toledo, Peck 769. GUATEMALA. Pet6n: La Libertad, Lundell 3858. 10. Paspalum multicaule Poir. in Lam. Encycl. Suppl. 4: 309. 1816. Annual; culms densely tufted, freely branching, ascending or spreading, 10 to 45 cm. long; blades flat, 2 to 15 cm. long, 1.5 to 3 mm. wide, papillose- pilose, the midnerve and margins prominent; racemes 2, conjugate, divergent, mostly 2 to 4 cm. long; spikelets solitary, hemispheric, 1.3 mm. long, more or less beaded with subglobular hairs. Moist savannas and open ground, Mexico and Trinidad to Brazil and Bolivia. BRITISH HONDURAS. El Cayo District: Mountain Pine Ridge, Bartlett 11779,11859. 11. Paspalum orbiculatum Poir. in Lam. Encycl. 5: 32. 1804. Stoloniferous perennial; culms slender, creeping, rooting at the nodes, the ascending branches 10 to 25 cm. long; blades flat, 1 to 6 cm. long, 1.5 to 7 mm. wide, glabrous or minutely pubescent; racemes 2 to 7, approximate, ascending to spreading, mostly 1 to 2 cm. (rarely as much as 3 cm.) long, the rachis winged, 0.5 mm. wide; spikelets ovoid, minutely pointed, 1 to 1.2 mm. long, glabrous or rarely pubescent, the margins somewhat raised. Moist sandy banks, open ground and along streams and ditches, southern Mexico and the West Indies to Paraguay. BRrriSH HONDURAS. Belize District: Freetown, Smart 74, 75. Gracio Rock, Gentle 1591. El Cayo District: El Cayo, Bartlett 11491. Toledo District: Toledo, Peck 541. GUATEMALA. Pet6n: La Libertad, Lundell 2527, 2585. 12. Paspalum conjugatum Blrgius, Act. Holy. Phys. Math. 7: 129, pi. 8. 1762. Stoloniferous perennial; culms rather slender, flattened, glabrous, the flowering branches usually 20 to 50 cm. long; blades thin, flat, mostly 8 to 12 cm. long, 5 to 15 mm. wide, the margins scabrous or short ciliate;