MANUAL OF THE GRASSES OF THE WEST INDIES 395 
Cowell, and Brown 4477. Rio Piedras, Hioram 214; Cowgill 686. 
Without locality, Heller 933, 984. 
TrinipaD: Brighton, Hitchcock 10097. O’Meara Savanna, Britton 
and Hazen 1579. Port-of-Spain, Broadway 5040. Piarco Savanna, 
Hitchcock 10345. Aripo Savanna, Hitchcock 10072. Without local- 
ity, Bot. Gard. Herb. 3382. 
20. Andropogon selloanus (Hack.) Hack., Bull. Herb. Boiss. (II) 4: 
266. 1904. 
Euklastaxon tenuifolius Steud., Syn. Pl. Glum. 1: 412. 1855. Not 
Andropogon tenuifolius Steud. Brazil. 
Andropogon leucostachyus subsp. selloanus Hack., in DC., Monogr. 
Phan. 6: 420. 1889. Brazil. 
Similar to A. leucostachyus, differing in the somewhat stouter culms, 
shorter and broader blades with a boat-shaped tip, shorter ligule 
(less than 1 mm long); racemes often 3 to 5, more densely villous, 
tawny rather than white. 
Savannas and open ground, West Indies to Paraguay. 
Cusa: Santa Cruz de los Pinos, Léon 7435. Hanadbana, Wright 
3900. Prov. Santa Clara, Léon 6424, 9159. Isla de Pinos, Ekman 
12103; Curtiss 314; Taylor 16. 
TriInipap: St. Joseph, Hitchcock 10188. La Brea, Broadway 3258, 
4981. 
Topagco: Broadway 2982, 4044. 
21. Andropogon lateralis Nees, Agrost. Bras. 329. 1829. Brazil. 
Andropogon incanus Hack., in DC., Monogr. Phan. 6: 431. 1889. 
Uruguay. 
Andropogon lateralis var.incanus Henr., Med. Rijks Herb. Leiden 
40: 42. 1921. 
Culms stout, erect, about 1.5 m tall; blades elongate, folded or 
involute; racemes in pairs, often of unequal length, 2 to 5 em long, 
the rachis slender, straight or somewhat flexuous, rather sparsely 
long-pilose; sessile spikelet about 4 mm long, the awn weak, about 
5 mm long; pedicellate spikelet prominent, larger than the sessile, 
about 5 mm long, the pedicel long-pilose like the rachis. 
Grassy hills, Brazil to Ecuador and Peru; Cuba. 
Cusa: Laguna Santa Maria, Pinar del Rio, Ekman 17264,17271. 
Remates (Pinar del Rio), Ekman 11362; Léon 15357. 
These specimens belong to the form described as var. incanus 
(Hack.) Henr., in which the racemes are usually two. 
22. Andropogon nashianus Hitchc., Contrib. U. S. Natl. Herb. 12: 
193. 1909. Cuba, Wright 3899. 
Culms solitary or few in a cluster, slender, erect, 30 to 45 cm tall 
from short branching rhizomes; blades narrow, folded, glabrous, 
those of the upper culm much reduced; racemes in pairs, 3 to 4 cm 
long, very villous with tawny hairs 5 to 7 mm long; sessile spikelet 
3 to 4 mm long; pedicellate spikelet much reduced. 
Sandy barrens, Cuba. 
Cusa: Pinar del Rio, Wright 3899; Hitchcock 23265. Laguna. 
Jovero to Mendoza, Shafer 10850. Herradura, Tracy 9069; Hitchcock 
481; Ekman in 1922. San Diego de los Bafios, Léon 4453, 4560. 
Loma del Gato, Ekman 15652. Isla de Pinos, Britton and Wilson 
14804; Taylor 17. 
