HITCHCOCK AND CHASE—GRASSES OF THE WEST INDIES. 3177 
Open ground and waste places, Texas and the West Indies to South America. 
Originally described from Jamaica. Chloris propinqgua was described from 
Guadeloupe. 
Bahamas (New Providence), Cuba, Jamaica, Santo Domingo, Porto Rico 
(Ponce), St. Croix, Antigua, Guadeloupe, Martinique, and Grenada. 
10. Chloris polydactyla (L.) Swartz, Prodr. Veg. Ind. Occ. 26. 1788. 
Andropogon barbatus L. Syst. Nat. ed. 10, 2: 1805. 1759. 
Andropogon polydactylon L, Sp. Pl. ed. 2, 1488. 1768. 
Chloris barbata Nash, Bull. Torrey Club 25: 443. 1898, not Chloris barbata 
Swartz, 1797 (this being Andropogon barbatus L., 1771, from the East 
Indies). 
Culms rather stout, commonly more than 1 meter tall; blades about 1 cm. 
wide; spikes 5 to 10, pale, usually 8 to 10 cm. long, strongly flexuous. The 
tallest species of the genus in the West Indies. 
Savannas and grassy slopes, Florida and the West Indies to Brazil. Origi- 
nally described from Jamaica. 
Bahamas (New Providence, Cat Island), Jamaica, and Antigua. 
79. GYMNOPOGON Beauv. 
Spikelets with 1 perfect floret and 2 or 3 sterile florets, mostly reduced to 
single awns, above it; glumes equaling or exceeding the florets; fertile lemma 
narrow, long-awned ; spikelets distant or approximate, appressed along a slender 
axis. 
Spikes 2 to 4 cm. long, aggregated at the summit of the naked culms. 
1. G. foliosus. 
Spikes 15 to 25 cm. long, scattered along the upper part of the culms. 
2. G. spicatus. 
1. Gymnopogon foliosus (Willd.) Nees, Agrost. Bras. 426, 1829. 
Chloris foliosa Willd. Sp. Pl. 4: 924. 1806. 
Biatherium foliosum Desy. Opusc. 72. 1831. 
Aristida geminata Willd.; Steud. Nom. Bot. ed. 2. 1: 181. 1840, as synonym. 
Chloris aristata Salzm.; Steud. Syn. Pl. Glum. 1: 218. 1854, as synonym. 
A tufted annual, the wiry branching, short-jointed culms ascending (some- 
times decumbent at base), 15 to 50 cm. tall, with numerous short, squarrose 
blades and a subdigitate inflorescence of few to several ascending, delicately 
awned spikes. , 
White sand barrens near Laguna del Tortuguero, Porto Rico, Santo Domingo 
(locality unknown), St. Thomas, and northern South America. Originally de- 
scribed from St. Thomas. 
2. Gymnopogon spicatus (Spreng.) Kuntze, Rev. Gen. Pl. 37: 354. 1898. 
Polypogon spicatus Spreng. Syst. Veg. 1: 243. 1825, 
Gymnopogon laevis Nees, Agrost. Bras, 428. 1829. 
Gymnopogon filiformis Griseb. Fl. Brit. W. Ind. 538. 1864. 
A straggling perennial with slender wiry culms 0.5 to 1 meter long, thickish 
blades 3 to 7 cm. long, the inflorescence commonly nearly half the entire length 
of the plant, the slender divaricate spikes naked or nearly so for the lower 
one-third to half their length. 
Sterile hills, Trinidad (locality unknown, Trin. Bot. Gard. Herb. 3361) to 
Argentina. Originally described from Brazil. The type locality of G. laevis 
is Brazil, of G. filiformis. Trinidad. 
