138 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Dry littoral limestone rocks, Cuba, Anguilla, and Venezuela 
(Pittver 11338). 
Cusa: Pastelilo, Hkman 15546. 
LEEWARD IsuaANps: Anguilla, Boldingh 3512. 
2. Bouteloua juncea (Desy.) Hitchc., Contrib. U. S. Natl. Herb. 17: 
043. 1913. 
Triathera juncea Desv.; Beauv., Ess. Agrost. 40. pl. 9. f. 4. 1812. 
Hispaniola. 
Eutriana juncea Trin., Gram. Unifl. 238. 1824. 
Eutriana ledebourt Trin., Gram. Unifl. 238. 1824. Haiti. 
Atheropogon domingensis Spreng., Syst. Veg. 1: 23. 1825. His- 
paniola. 
Triaena juncea Griffiths, Contrib. U.S. Natl. Herb. 14: 354. 1912. 
A low delicate perennial, prostrate below, geniculate at the lower 
nodes, the branches commonly in pairs or fascicles; nodes and summit 
of the sheaths pilose; blades flat or folded, 8 to 12 mm long, about 
1.5 mm wide; racemes of few to several minute spikes, the spikelet 
solitary, pilose at base, 3 to 4 mm long; glumes lanceolate, acuminate, 
the first one-third, the second slightly over half the length of the 
spikelet; fertile lemma narrow, with 3 erect scabrous teeth at the 
summit, the palea 2-toothed, shorter; sterile floret about equaling the 
fertile lemma, consisting of 3 slender scabrous awns. 
Arid open ground, eastern Cuba, Puerto Rico, and Hispaniola. 
Cupa: Guantdnamo, Britton 1964. 
Haiti: Jean Rabel, Leonard 12622. Bombardopolis, Leonard 
13593. Cabaret, Leonard 11788, 11853. Bassin Bleu, Leonard 
14902. Artibonite, Cook, Scofield, and Doyle 212. St. Michel de 
VAtalaye, Leonard 7096. Gros-Morne, Leonard 9868. Croix-des- 
Bouquets, Ekman H 2147. Cape Haitien, Ekman H 2717. Anse-a- 
Pitre, Hkman H 6683. Anse-a-Veau, Hkman H 5416. Gonaives, 
Buch 1010. 
Dominican Repusuic: Guayubin, Abbott 864. Moncidn, Hkman 
H 13058. San Juan, Ekman H 13393. Without locality, Poteau. 
Puerto Rico: Guanica, Britton, Cowell, and Brown 4918. 
3. Bouteloua americana (L.) Scribn., Acad. Nat. Sci. Phila. Proce. 
F89l= 306. Also. 
Aristida americana L., Syst. Nat. ed. 10.2: 879. 1759. Jamaica. 
Aristida antillarum Poir., in Lam., Encycl. Sup. 1: 451. 1810. 
Antilles. 
Bouteloua litigiosa Lag., Gen. et Sp. Nov. 5. 1816. Jamaica. 
Chaetaria antillarum Beauv.; Roem. and Schult., Syst. Veg. 2: 395. 
1817. 
Aristida subbiflora Steud., Syn. Pl. Glum. 1: 138. 1854. Guade- 
oupe. 
Euiriane antillarum Steud., Syn. Pl. Glum. 1: 217. 1854. 
Bouteloua elatior Griseb., Fl. Brit. W. Ind. 537. 1864. Antigua. 
Aristida adscensionis var. americana Kuntze, Rev. Gen. Pl. 3: 340. 
1898. 
Perennial, mostly prostrate-spreading; culms branching, 30 to 60 
cm long; blades flat or loosely involute, 2 to 3 mm wide; spikes 3 to 7, 
about 2 cm long; glumes 3 and 4 mm long; lemma 3-awned, the central 
awn 3 mm long, the lateral 1 mm; rudiment with 3 awns about 1 cm 
long (fig. 87). 
