336 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
pene Rico: Mayaguez, Heller 4373, 4488; Chase 6159; Holm in 
1915. 
Lrrwarp Isuanps: Antigua, Hitchcock 16381; Bor 66; Rose 3391; 
Wullschlaegel 618. Guadeloupe, Duss 3175; Hitchcock 16399. Do- 
minica, Jones 43; Hitchcock 16429. 
WinpwarRp Istanps: Martinique, Duss 544; Hitchcock 16463. 
Barbados, Eggers 7128; Hitchcock 16498. St. Lucia, Glasgow 10; 
Mitchecock 16495; Kemp 39. Grenada, Broadway in 1904; Hitchcock 
17680. 
TrinipapD: Port-of-Spain, Britton and Hazen 1690; Hitchcock 9965. 
St. Anns, Broadway 7783. San Fernando, Broadway 7950. 
Tosaco: Broadway 
4335, 4737; Hitchcock 
10225, 10251. 
2. Setaria poiretiana 
(Schult.) Kunth, 
Rév. Gram et: 
Ao Weve 
Panicum elongatum 
Poir., in Lam., En- 
GY Clic OUD. been ig Se 
1816. Not P. elonga- 
tum Salisb., 1796. 
Brazil. 
Panicum sulcatum 
Bertol., Opuse. Sei. 4: 
230. 1820; Excerpt. 
145, 8 2i0ay =Nio tke 
sulcatum Aubl., 1775. 
Brazil. 
Setaria suleata 
Raddi, Agrost. Bras. 
50. 1823. Based on 
Panicum sulcatum 
Bertol. 
Panicum  poiretia- 
num Schult., Mant. 
FIGURE 306.—Setaria poiretiana, X 1 (Pringle 3921). 2 IDG 5 LSA Based 
on P. elongatum Poir. 
Chaetochloa poiretiana Hitche., Contrib. U. S. Natl. Herb. 22: 159. 
1920. 
Tufted perennial; culms erect, 1 to 1.5 m tall; sheaths papillose-his- 
pid; blades strongly plicate, flat, as much as 1 m long and 10 cm wide, 
narrowed toward each end, the base resembling a petiole; panicles 
erect, densely flowered, commonly purple, long-exserted, as much as 
60 cm long and 10 cm wide, the branches ascending, irregularly 
clustered, approximate, usually somewhat falcate, the lower usually 
3 to 5 cm long; spikelets secund on the branches, narrowly ellipsoid, 
about 3 mm long (fig. 306). 
Moist woods, Mexico to Brazil; Trinidad and Tobago. Called gama- 
lote in Trinidad, where it is a troublesome weed in cocao groves. 
TrintpapD: Port-of-Spain, Hitchcock 9978, 10043 (Amer. Gr. Nat. 
Herb. 604), 10171. 
Tospaco: Hitchcock 10282. 
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