356 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
nodding; fascicles peduncled, spreading or reflexed; bristles slender, 
flexuous, unequal, the outer shorter, scabrous only, the inner mostly 
1 to 1.5 em long, plumose below, the innermost one a little stronger 
pe 2 to re cm long; spikelets 1 to several in a fascicle, 5 to 7 mm long 
Fob): 
Native of India, introduced in the West Indies, where it is called 
Himalaya grass and is said to be a good forage grass; escaped from 
cultivation and found along trails in open grassland. 
Cusa: Habana, Ekman 12820; Léon 10613. 
Jamaica: Cinchona, Hitchcock 9700, 9725 (Amer. Gr. Nat. Herb. 
613); Harris 11300, 11433. . 
TriInipAD: Port-of-Spain, Hitchcock 10169. 
3. Pennisetum ciliare (L.) Link, Hort. Berol. 1: 213. 1827. 
Cenchrus ciliaris L., Mant. Pl. 302. 1771. South Africa. 
Pennisetum cénchroides L. Rich., in Pers., Syn. Pl. 1: 72. 1805. 
Based on Cenchrus ciliaris L. 
SN 
} 
WA 
TAC 
Be ON 
FIGURE 326.— Pennisetum FIGURE 327.—Pennisetum orientale var. FIGURE 328,—Pen- 
villosum, X 14 (Eastwood triflorum, X 24 (Hitchcock 9725, Amer. nisetum ciliare, X 
172). Gr. Nat. Herb. 613). 24 (Drummond). 
Perennial, tufted from a knotted crown; culms geniculate, 10 to 
50 cm tall, sometimes taller, sparingly branching; blades flat or folded; 
panicle 1.5 to 10 cm long, not dense, purplish, mostly flexuous; the 
fascicles spreading; bristles united at the very base, flexuous, un- 
equal, the outer short, slender, scabrous only, the inner thicker, 
about twice the length of the spikelet, ciliate, the innermost one a 
little longer than the rest; spikelets 1 to 5 in a fascicle (fig. 328). 
Arid open ground, Eastern Hemisphere, introduced in Central 
America and Puerto Rico. : 
Puerto Rico: Ponce, Brition, Cowell, and Brown 5380. 
4, Pennisetum glaucum (L.) R. Br., Prodr. Fl. Nov. Holl. 1: 195. 
1810. PEARL MILLET. 
Panicum glaucum L., Sp. Pl. 56. 1753.°! 
Holcus spicatus l., Syst. Nat. ed. 10. 2: 1305. 1759. 
Pennisetum typhoideum L. Rich., in Pers., Syn. Pl. 1: 72. 1805. 
%1 For the nomenclatural history of the species see CHASE, Contrib. U. S. Natl. Herb. 22: 216. 1921; 
Amer. Jour. Bot. 8: 41-49. 1921. 
