MANUAL OF THE GRASSES OF THE WEST INDIES 269 
Haiti: Etang-Dérémond, Ekman H 10473. Aux Cayes, Ekman 
Dominican ReEpusiic: Cuenca, Ekman H 10980, H 13305. Villa 
Altagracia, Ekman H 11204. Sostia, H#kman H 14533. 
LEEWARD IstANDs: Guadeloupe, L’Herminier 17. Dominica, 
Hitchcock 16419, 16435. 
WINDWARD Istanps: Martinque, Hitchcock 16446. St. Lucia, 
Box 184, 322; Hitchcock 16483. 
36. Panicum laxum Swartz, Prodr. Veg. Ind. Occ. 23. 1788. 
Jamaica. 
Panicum diandrum Kunth, Rév. Gram 2: 393. pl. 110. 1831. 
Guadeloupe and Brazil. | 
More or less spreading, often rooting at the nodes of the decumbent 
base, culms 40 to 100 cm long; blades conduplicate or flat, 5 to 15 
mm wide, narrowed to a rounded or subcordate base; panicles oblong, 
5 to 30 cm long, composed of many slender, raceme- 
like branches, the lower distant, spreading, the upper 
ascending; branchlets mostly secund on the lower side 
of the branches, bearing 2 or 3 acutish spikelets 1 to 
1.5 mm long (fig. 231). 
Ditches, banks, moist woods, and wet savannas, 
Mexico and the West Indies to Paraguay. Common yopre 931.—Pan- 
in Cuba, Jamaica, Puerto Rico, and Trinidad. Other icum eee 
localities are listed below. force, 0 (ee). 
Harti: Lamielle, Ekman H 6204. | 
Dominican ReEpusuic: Pimentel, Abbott 687, 688. 
Cuenca, Hkman H 10981. La Cumbre, Ekman 
H 12390. 
VirGin Isuanps: Tortola, Britton and Shafer 791, 808. 
LrEwarp Istanps: Antigua, Wullschlaegel 623; 
Box 74, 82. Guadeloupe, Duss 3179. Dominica, 
Jones 24.25: 
WINDWARD IstANps: Barbados, Dash 450. St. 
FIGURE 232.—Pani- 
Lucia, Kemp 11; 42. HET LEN TUT: 
Grenapba: Broadway 1870, 3712, 4668. Aree C10 (epaeyt 
Tosaco: Hitchcock 10245, 10272. 
37. Panicum stevensianum Hitche. and Chase, Contrib. U. S. Natl. 
Herb. 17: 498. f. 76. 1915. Puerto Rico, Chase 6616. 
Perennial; culms compressed, prostrate-spreading, rooting at the 
nodes, 30 to 60 cm long, the flowering branches ascending; blades 
flat, 4 to 10 cm long, 5 to 10 mm wide, truncate-cordate at base; 
panicles 6 to 10 cm long, narrow, consisting of several appressed or 
ascending spikelike branches; spikelets about 2 mm long, glabrous, 
acute; first glume about one-fourth the length of the spikelet (fig. 232). 
Borders of pools, ditches, and other wet places, Cuba and Puerto 
Rico. 
Cusa: Batabané6, Ekman 12630, 13093; Léon 14200. Laguna 
Ariguanabo, Ekman 11516, 16929; Léon 9030. Laguna de Castellano, 
ilson 9558; Ekman 16796. 
Purrto Rico: Campo Alegre, Chase 6616. 
38. Panicum exiguifloruam Griseb., Cat. Pl. Cub. 234. 1866. 
Based on P. minutiflorum Rich. 
Panicum minutiflorum A. Rich., in Sagra, Hist. Cuba 11: 305. 
1850. Not P. minutifiorum Rasp., 1825. Cuba. 
