HITCHCOCK AND CHASE—GRASSES OF THE WEST INDIES. 361 
clothed, at least toward the beaked apex, with thick uncinate hairs; blades 
with fine transverse veins between the longitudinal nerves, petioled (the petiole 
with a single twist reversing the upper and under surfaces of the blade), the 
nerves running from midnerve to margin. 
Culms creeping at base_______-__------ ee eee 2. P. parvifolius. 
Culms erect or nearly so. 
Fruit pubescent only at tip, slightly exceeding the glumes. 
3. P. latifolius. 
Fruit pubescent all over, 2 to 3 times as long as the glumes___1. P. glaber. 
1. Pharus glaber H. B. K. Nov. Gen. & Sp. 1: 196. 1816. 
Pharus brasiliensis Raddi, Agrost. Bras. 21. 18238. 
Pharus lancifolius Desv.; Hamilt. Prodr. Pl. Ind. Occ. 8. 1825. 
An erect glabrous perennial 50 to 75 cm. tall, with flat oblanceolate acuminate 
blades commonly 15 to 25 em. long and 8 to 5 em. wide, and large open fragile 
panicles, the few branches stiffly ascending or spreading, the appressed oblong 
brown spikelets about 1 cm. long, the fruit densely clothed with hooked hairs, 
the panicles readily breaking up, the pieces attaching themselves by the hooked 
hairs to passing objects. 
Rich woods, Mexico and West Indies to Brazil. Originally described from 
Venezuela; P, brasiliensis described from Rio de Janeiro and P. lancifolius from 
ihe Antilles. Found throughout the Greater Antilles and in the Lesser Antilles 
as far south as St. Vincent. 
2. Pharus parvifolius Nash, Bull. Torrey Club 35: 301. 1908. 
Creeping at base, the blades on the average smaller and less broadened 
upward, otherwise like the preceding. 
Rich woods, West Indies. Originally described from Haiti, the type being 
Nash & Taylor 1482, collected at ‘Les Roches, a few miles to the west of 
Plaisance.” 
Cuba (Banao Hills, Santa Clara, and Loma del Jaguey, Oriente), Jamaica 
(Ramble, near Claremont), Haiti, Porto Rico (Arecibo), and Trinidad (Taba- 
quite and Tamana). 
3. Pharus latifolius I. Syst. Nat. ed. 10. 2: 1269. 1759. 
Pharus ovalifolius Desy.; Hamilt. Prodr. Pl. Ind. Occ, 8, 1825. 
Similar to no. 1, the blades on the average broader, the spikelets longer, the 
summit of the fruit tapering. 
Rich woods, West Indies to Brazil. Sometimes called “ wild oats.” Origi- 
nally described from Jamaica; P. ovalifolius described from the Antilles. 
Cuba (Province of Pinar del Rio), Jamaica (Bath), Haiti, Santo Domingo, 
Guadeloupe, Martinique, St. Vincent, Grenada, and Trinidad. 
57. LUZIOLA Gmel. 
Pistillate and staminate spikelets in separate panicles; glumes wanting; 
caryopsis with a thick hard pericarp. 
Blades 7 to 10 mm. wide; inflorescence many-tlowered___----_- 3. L. spruceana. 
Blades 1 to 3 mm. wide; inflorescence few-flowered. 
Fruit 2 mm. long_-------------------_---_----- --------- 2. L. bahiensis, 
Fruit 1.5 mm. long -_--------------__-_----------+---+--+- 1. L. peruviana. 
1. Luziola peruviana Gmel. Syst. Nat. 637. 1791. 
Similar to L. bahiensis but the inflorescence more delicate and the spikelets 
smaller, the fruit about 1.5 mm. long. 
