HITCHCOCK AND CHASE—GRASSES OF THE WEST INDIES. 371 
1. Polypogon monspeliensis (L.) Desf. Fl. Atlant. 1: 67. 1798. 
Alopecurus monspeliensis L. Sp. Pl. 61. 1758. 
A low, weedy annual with inflated sheaths and dense silky-awned oblong 
heads. 
Waste places, introduced from Alaska to Mexico and occasionally in other 
parts of America; also in Bermuda, A native of the Old World. Originally 
described from Montpellier, France. 
2. Polypogon littoralis (With.) J. E. Smith, Comp. Fl. Brit. 13. 1800. 
Agrostis littoralis With. Bot. Arr. Veg. Brit. ed. 3, 2: 129, 1796. 
A spreading perennial rooting at the nodes, the panicles less dense and less 
cilky than those of the preceding species. Moist places, introduced from Europe 
into the warmer parts of America. Found in Bermuda. Originally described 
from Great Britain. 
69. AGROSTIS L., 
Spikelets paniculate; glumes awnless, exceeding the lemma; palea in most 
species wanting. 
Palea about half as long as the lemma_______-----------------__~-- 1. A. alba. 
Palea wanting - - ~-------- +--+ +--+ +--+ - 2. A. perennans. 
1. Agrostis alba L. Sp. Pl. 63. 1753. REDTOP, 
Perennial from creeping rootstocks; culms erect; blades flat, scabrous; 
panicles open. 
Commonly cultivated in the United States as a meadow and pasture grass. 
Introduced in Jamaica on Blue Mountain Peak. Originally described from 
Europe. 
2. Agrostis perennans (Walt.) Tuckerm. Amer. Journ. Sci. 45: 44, 1843. 
Cornucopiae perennans Walt. Fl, Carol, 74. 1788. 
Culms tufted, weak, ascending, the leaves mostly clustered toward the base, 
the panicles loose and open, the spikelets borne at the ends of the branchlets. 
Open woods, northeastern United States to northern South America; also in 
the mountains of Santo Domingo (Constanza, Loma Rosilla). Originally de- 
scribed from South Carolina. 
70. NOTHOLCUS Nash. 
Spikelets 2-flowered ; glumes equal, exceeding the florets; lower floret perfect, 
awnless, the upper staminate, bearing a hooklike dorsal awn. 
1. Notholcus lanatus (L.) Nash; Hitche. in Jepson, Fl. Calif. 1: 126, 1912. 
VELVET GRASS. 
Holcus lanatus L. Sp. Pl. 1048. 1758. 
Perennial, 0.5 to 1 meter tall, grayish-velvety throughout, the pale, rather 
densely flowered narrow panicle usually 8 to 10 cm. long. 
Introduced in America and oceasionally cultivated as a meadow grass. Orig- 
inally described from Europe. Collected in Jamaica (Hart 748), no locality 
given. 
71. TRISETUM Pers. 
Spikelets with 2 or 3 perfect florets; glumes unequal; lemmas bidentate, 
bearing a slender dorsal awn. 
1. Trifetum spicatum (L.) Richt. Pl. Eur. 1: 59. 1890. 
Aira spicata L. Sp. Pl. 64. 1753. 
Trisetum toluccense Kunth, Rév. Gram. 1: 101, 297. pl. 60. 1829, 
