MANUAL OF THE GRASSES OF THE WEST INDIES 155 
_ Dominican Repustuic: Villa 
Altagracia, Hkman H 11186. San- 
chez, Abbott 197. Rio San Juan, 
Miller 1231. 
TRINIDAD: Tabaquite, Britton, 
Freeman, and Nowell 2609; Hitchcock 
10124. Southern Watershed Re- 
serve, Britton, Hazen, and Mendelson 
1097. Tamana, Broadway 4955. 
Siparia, Broadway 4988. Maracas 
Falls, Broadway 6703. Without 
locality, Bot. Gard. Herb. 3364. 
TRIBE 11. MELINIDEAE 
64. ARUNDINELLA Raddi, 
Agrost. Bras. 36. pl. 1. f.3. 18238 
Spikelets, short-pedicellate in large 
panicles; glumes acuminate, the tips 
widely spreading, the second longer 
than the first and the sterile lemma; 
fertile lemma minute, bearded on 
the callus, bearing a long slender 
awn from the apex. Perennial or 
sometimes annual, often robust 
grasses with narrow blades and open 
or contracted panicles. 
Awn tightly twisted below, the column 
shorter than the second glume. 
1. A. CONFINIS. 
Awn not tightly twisted below, the part 
below the bend exceeding the glume. 
Blades broad and flat, 1 to 2 em wide; 
plants robust, 1.5 to 2 m tall; 
sheaths appressed-villous. 
A. DEPPEANA. 
Blades narrow and more or less folded 
or convolute; plants slender, mostly 
less than 1 m tall; sheaths usually 
smooth____3. A. BERTERONIANA. 
1. Arundineila confinis (Schult.) 
Hitche. and Chase, Contrib. 
U.S. Natl. Herb.18: 290. 1917. 
Piptatherum confine Schult., 
Mant. 2: 184. 1824. Martinique, 
Sieber 265. 
Arundinella martinicensis Trin., 
Gram. Pan.62. 1826. Martinique. 
Sieber 262. 
Tufted erect perennial with strong 
slender simple culms up to 2.5 m 
tall, flat blades, scabrous at least 
on the upper surface, and rather 
densely flowered oblong panicles 20 
to 40 cm long (fig. 99). 
FIGURE 99.—Arundinella confinis. 
Panicle, X 44; spikelet and floret, 
X 10 (Chase 6815). 
