MANUAL OF THE GRASSES OF THE WEST INDIES 259 
Dominican Repusuic: Santiago, Ekman H 16129. 
Puerto Rico: Cayey, Chase 6744. Coamo Springs, Chase 6547. 
Tabucoa, Sintenis 4983. 
LEEWARD IsLanps: Antigua, Hitchcock 16382; Box 18, 39, 49, 89. 
Guadeloupe, Duss 3184. 
18. Panicum hirsutum Swartz, Fl. Ind. Oce. 1: 173. 1797. Jamaica. 
Perennial; culms robust, erect, as much as 1.5m tall and 1 cm thick; 
sheaths hirsute with prickly fragile hairs; blades flat, mostly glabrous, 
20 to 35 mm wide; panicles open, densely flowered, 20 to 35 cm long; 
spikelets about 2 mm long, acute, glabrous; first glume half as long 
as spikelet (fig. 213). 
Open moist soil, Mexico and the West Indies to Brazil. 
Cupa: Mangas, Ekman 17578. Caibarién, Ekman 16312. Matan- 
zas, Wright in 1865. Guantanamo, Léon 3913. Preston, Hkman 3419. 
Guaro, Hitchcock 23396. Bayate, Ekman 6118, 6183, 10068. 
Haiti: Anse-a-Taleur, Ekman H 4392. Aux Cayes, Ekman H 755. 
Dominican Repustic: Pimentel, Hkman H 13275. Rio Yaque 
del Sur, Hkman H 5791. 
LEEWARD IsLtaNpDs: Guadeloupe, Duss 3917. Antigua, Bor 176. 
WINDWARD Isuanps: St. Lucia, Box 190. 
TRINIDAD: Burkes pasture, Bot. Gard. Herb. 2295. La Brea, 
Broadway 4980. Mayaro, Broadway 2629. 
Manzanilla, Myers 4189. 
Topaaco: Broadway 4586, 4895. 
19. Panicum maximum Jacq., Coll. Bot. 1: 76. 
1786. Guadeloupe. GUINEA GRASS. 
Panicum polygamum Swartz, Prodr. Veg. 
Ind. Occ. 24. 1788. Jamaica. 
Panicum laeve Lam., Tabl. Encycl. 1: 172. 
1791. Santo Domingo and Mauritius. FIGURE 213—Panicwm hirsutum. 
Lanicum punenionum ierss, Syme Plt Sa. | a" Cer. spices /and 
1805. Based on P. polygamum Swartz. 
Panicum trichocondylum Steud., Syn. Pl. Glum. 2: 74. 1854. 
Guadeloupe. 
Perennial; culms cespitose, erect, 1 to 2.5 m tall, glabrous, the 
nodes densely hirsute; sheaths hirsute or glabrous; blades flat, elon- 
gate, 1 to 3.5 em wide, glabrous except the margin, or hirsute on the 
upper surface near the base; panicle open, 20 to 50 cm long, the lower 
branches in whorls; spikelets oblong, glabrous, about 3 mm long; 
first glume one-third as long as spikelet; fruit transversely rugose 
(fig. 214). 
Open ground, at low altitudes, escaped from cultivation, southern 
Florida, through Mexico and the West Indies to South America; a 
native of Africa and now widespread in the warmer parts of the Old 
World. An important forage grass throughout the Tropics of the 
world at low altitudes. Used for pasture, or cut and fed green. In 
Cuba called ‘“‘hierba Guinea.”’ To be found on all the islands. 
20. Panicum repens L., Sp. Pl. ed. 2. 1: 87. 1762. Spain. 
Perennial from extensively creeping rhizomes; culms erect, 30 to 80 
em tall; blades 2 to 5 mm wide; panicles open, 7 to 12 cm long, the 
branches stiffly ascending, naked at the base; spikelets about 2.5 mm 
long, glabrous; first glume one-fifth as long as spikelet, broad, truncate 
icot 215), 
