HITCHCOCK AND CHASE—GRASSES OF THE WEST INDIES. 395 
1. Dactylis glomerata L. Sp. Pl. 71. 1753. ORCHARD GRASS. 
A rather coarse roughish perennial commonly about 1 meter tall, with flat 
blades and panicles of few to several branches naked at base, bearing toward 
the ends clusters of densely crowded, sparsely pilose spikelets, these 0.8 to 1 cm. 
long. 
Commonly cultivated in the United States as a meadow grass and frequent 
as an escape. Found in Jamaica (Hart 744, the locality unknown). 
101. POA L. 
Spikelets small, few-flowered; glumes keeled, acute; lemmas herbaceous 
with scarious tips, keeled, 5-nerved, awnless. 
Plants annual______-_-__--____-_--_------------------------------ 1. P. annua. 
Plants perennial, producing rhizomes__________--------------- 2. P. compressa. 
1. Poa annua L. Sp. Pl. 68. 1753. ANNUAL BLUEGRASS. 
Poa injfirma H. B. K. Nov. Gen. & Sp. 1: 158. 1816. 
A low tufted soft smooth annual, the culms decumbent at base, the pale 
open panicles commonly about 5 cm. long. 
Open ground and grass land throughout the temperate regions of North 
America and extending southward in the mountains; introduced from Europe, 
whence originally described. Poa injfirma was described from Colombia. 
Bermuda, Cuba (Habana), and in the Blue Mountains of Jamaica. 
2. Poa compressa L. Sp. Pl. 69. 1753. CANADA BLUEGRASS. 
A wiry perennial with extensively ereeping slender rhizomes, slender flat 
culms, and narrow, rather densely flowered panicles. 
Open ground and grass land; throughout the United States, probably intro- 
duced from Europe. Originally described from Europe and North America. 
Found introduced at high altitudes in Jamaica (near summit of Blue Mountain 
Peak, Hitchcock 9371) and Haiti (Morne Franchant, alt. 1,900 meters, Picarda 
1019). 
102. FESTUCA L. 
Spikelets few to several-flowered; glumes small; lemmas firm, convex or 
keeled toward the summit only, awned from the tip. 
First glume more than half as long as the second_------------ 1. F. bromoides. 
First glume less than half as long as the second _--2. F. myurus. 
1. Festuca bromoides L. Sp. Pl. 75, 1753. 
A slender tufted annual 80 to 50 cm. tall, with narrow blades and narrow, 
nearly simple panicles of short-pediceled slender-awned 4 to 6-flowered spike- 
lets. 
Open and waste places, introduced in the United States, especially on the 
Pacific coast. Originally described from Europe. Found in the Blue Moun- 
tains of Jamaica. 
2, Festuca myurus L. Sp. Pl. 74. 1758. 
Similar to the preceding, the culms weaker, the panicle longer and narrower, 
the spikelets 2 or 3-flowered, the awns more delicate. 
Waste places and open ground, introduced in America. Originally described 
from Europe. Found in the Blue Mountains of Jamaica. 
Festuca ELATIon L. Sp. Pl. 75. 1753. Merapow FESCUE. An erect perennial 
with awnless spikelets, frequently cultivated in the United States as a meadow 
grass; represented from Jamaica by a specimen without locality (Hart 743). 
