MANUAL OF THE GRASSES OF THE WEST INDIES OTe 
to 1.5 cm long; staminate spikelets about 2 mm apart, appressed, 
about 2 mm long, the lemma and palea subequal, acute, the lemma 
3-nerved, the pedicel less than 1 mm long (fig. 343, A). 
Type in the United States National Herbarium, no. 1259999, 
collected on overhanging limestone rocks of Loma Picote, Sierra de 
Nipe, prov. Oriente, Cuba, altitude 500 m, November 2, 1922, by 
EK. L. Ekman. 
Only known from province of Oriente, Cuba, the other specimen 
seen being from Sierra de Nipe, in limestone hills at Rio Jimbambay, 
Ekman 9870. 
2. Ekmanochloa aristata Ekman, sp. nov. 
Similar to E. subaphylla, about 50 cm tall; sheaths shorter, with a 
few long hairs at the summit; blades, except the lower, developed, 
1 to 3.7 cm long, 1.5 to 4 mm wide; inflorescence few-flowered, the 
staminate and pistillate spikelets each 4 or 5; pistillate spikelets 8 
to 9 mm long excluding the awn, the glume and sterile lemma equaling 
the body of the fertile floret, 3 and 5 nerved, obscurely pubescent 
between the nerves; awn of the fertile floret about 15 mm long; 
staminate spikelets 3 to 3.2mm long, obscurely pubescent (fig.343, B). 
Type in the United States National Herbarium no. 1385553, 
collected ‘‘in carrascales-pinales, between Taco and Nibujon, prov. 
Oriente, very rare’’, December 4, 1914, by E. L. Ekman (no. 3729). 
Only known from the type collection. 
TRIBE 13. ANDROPOGONEAE 
101. IMPERATA Cyrillo, Pl. Rar. Neap. 2: 26. 1792 
Spikelets all alike, awnless, in pairs, unequally pedicellate on a 
slender continuous rachis, surrounded by long silky hairs; glumes 
about equal, membranaceous; sterile lemma, fertile lemma, and palea 
thin and hyaline. Slender erect perennials with terminal narrow 
silky panicles. 
Panicle rarely more than 15 cm long; spikelets 4mm long_ 1. I. BRASILIENSIS. 
Panicle as much as 40 cm long; spikelets 3 mm long_-_____-- 2. I. CONTRACTA. 
1. Imperata brasiliensis Trin., Mém. Acad. St. Pétersb. VI. Math. 
BhyceNate2: ool. \1832. Brazailt 
Perennial, erect, tufted, with scaly rhizomes; culm slender, simple, 
0.5 to 1 m tall; leaves mostly clustered toward the base, the blades 
flat, 5 to 10 mm wide; panicle pale, narrow (fig. 344). 
Open rather dry ground at low altitudes, Bahamas and southern 
Mexico to Brazil. 
Bauamas: Andros Island, Small and Carter 8910. Eleuthera, £. 
Britton 6506. 
Cusa: Sierra de los Organos, Ekman 10678. Herradura, Van Her- 
mann 575. Consolacién del Sur, Palmer and Riley 472. Paso Real, 
Léon 4262. Calvario, Léon 1582. Loma Menqura, Shafer 3856. 
Riverside, Shafer 1145. Without locality, Wright 3486. Isla de 
Pinos, Jennings 296; Britton and Wilson 14397, 14399. 
JAMAICA: Lititz, Harris 11660, 11742, 12880. 
% Ab E.subaphylla differt vaginis brevioribus, spicula femina 8-9 mm longa; gluma et lemmate sterili 
lemma fertile aequantibus. 
