MANUAL OF THE GRASSES OF THE WEST INDIES 405 
Perennial; culms erect, rather stout, 1 to 2.5 m tall; blades mostly 
2 to 8 mm wide, sometimes more than 1 cm; inflorescence 20 to 40 em 
long, the pairs of racemes toward the ends of the numerous branches 
on long slender flexuous peduncles; racemes about 2 cm long, reddish 
brown; fertile spikelets mostly 5 to 7 in each raceme, 3 to 4 mm long, 
flattened from the back, pubescent with dark-red hairs, the pedicels 
and rachis-joints ciliate with red hairs; awn 15 to 20 mm long, twice 
geniculate, twisted, red-brown, hispidulous (fig. 359). 
Moist, open ground, Venezuela to Brazil; Tropics of the Old World. 
Sees cultivated under the name “jaragua.’’ Has some forage 
value. 
Cusa: Baragua, Hitchcock 23380 (Amer. Gr. Nat. Herb. 1000). 
Santiago de las Vegas, escaped from experiment station plots, Hitch- 
cock 23249. Manacas, Léon 5841, 5870. 
Puerto Rico: Mayaguez, Britton 74438, cultivated under the name 
‘““canophora.”’ 
LEEWARD Isuanps: St. Kitts, Bor 131. 
FIGURE 359.—Hyparrhenia rufa, X 1 (Moldenke 243). 
2. Hyparrhenia hirta (L.) Stapf, in Prain, Fl. Trop. Afr. 9: 315. 1918. 
Andropogon hirtus L., Sp. Pl. 1046. 1753. Mediterranean region. 
Cymbopogon hirtus Stapf; Burtt-Davy, Ann. Transv. Mus. 3: 121. 
1912. 
Differing from H. rufa in the usually longer racemes (4 to 5 cm) 
and in the denser and more silky whitish pubescence of the inflores- 
cence. 
Waste places, introduced in a few localities in tropical America; 
Mediterranean region to South Africa. 
Cusa: Habana, Hkman 13195 (Amer. Gr. Nat. Herb. 999); Léon 
2788, 3492. | 
