MANUAL OF THE GRASSES OF THE WEST INDIES 267 
Holguin, Shafer 1438. Isla de Pinos, Britton and Wilson 14621; 
Ekman 11795, 12444. 
JAMAICA: Black River, Hitchcock 9652 (Amer. Gr. Nat. Herb. 47). 
Savanna-la-Mar, Hitchcock 9884. Grosmond Marsh, Harris 11750. 
Hartt: Port-au- Prince, Kkman H 2171; Leonard 10087 ; Buch 2047. 
Aux Cayes, Ekman H 25, H 264. 
Puerto Rico: San Juan, Chase 6351. Campo Alegre, Chase 6802. 
LEEWARD IsLtaNnpDs: Guadeloupe, Duss 3919. 
32. Panicum polygonatum Schrad., in Schult., Mant. 2: 256. 1824. 
Brazil. 
Pamcum potamium Trin., Gram. Pan. 239. 1826. Brazil. 
Perennial; culms branching, widely spreading or creeping, as much 
as 100 cm long, the nodes densely pubescent; blades 3 to 13 cm long, 
8 to 15 mm wide, cordate; panicles 7 to 20 cm long, the branchlets 
secund from the lower side of the branches, the rachises sparsely 
pilose with long weak hairs; spikelets 1.5 mm long, pointed, glabrous 
(fies 227): 
Swamps and moist soil along roadsides and in open w oods, Mexico 
and Trinidad to Paraguay. 
FIGURE 227.—Pani- FIGURE 228.—Pani- FIGURE 229.—Pani- 
cum polygonatum. cum milleflorum. cum pilosum. 
Two views of Spikelet and Spikelet and 
spikelet,and floret, GPG <I floret << 160 
X 10 (type). (type). (type). 
TRINIDAD: Port-of-Spain, Chase 9935; Hitchcock 9953. Penal Rock 
Road, Britton, Hazen, and Mendelson 1091. Caparo, Broadway 2837. 
Aripo Savanna, Hitchcock 10077. Arima, Hitchcock 10297, 10306. 
Ortoire River, Britton, Freeman, and Nowell 2663. Tabaquite, Hitch- 
cock 10132 (Amer. Gr. Nat. Herb. 57). 
Toxsaco: Broadway 4476. 
33. Panicum milleflorum Hitche. and Chase, Contrib. U.S. Natl. 
Herb. 17: 494. f. 70. 1915. Canal Zone. 
Panicum distichum var. lancifolium Griseb., Fl. Brit. W. Ind. 548. 
1864. Trimidad, Crueger 84. 
Differs from P. pilosum in its larger size, as much as 2 m tall, in its 
longer blades, as much as 40 cm long, in its longer panicles, as much 
as 35 cm long, and in its slightly smaller spikelets, 1.3 mm long 
(fig. 228). 
Swamps near the coast, British Honduras to Brazil; Trinidad. 
TRINIDAD: Without locality, Crweger 84 (Bot. Gard. Herb. 3195). 
34, Panicum pilosum Swartz, Prodr. Veg. Ind. Occ. 22. 1788. 
Jamaica. 
Panicum distichum Lam., Encycl. 4: 731. 1798. Jamaica. 
Perennial; culms decumbent or creeping and rooting at the nodes, 
the branches and sometimes the main culms erect; nodes villous or 
