MANUAL OF THE GRASSES OF THE UNITED STATES 



729 



florists, not Hochst.) — Cultivated for 

 ornament, sparingly escaped in dry 

 ground, Michigan, Texas, and Cali- 

 fornia; introduced from Africa, 



5. Pennisetum setaceum (Forsk.) 

 Chiov. Fountain grass. (Fig. 1113.) 

 Perennial, culms tufted, simple, about 

 1 m. tall; blades narrow, elongate, 

 scabrous; panicle 15 to 35 cm. long, 

 nodding, pink or purple; fascicles 

 peduncled, rather loosely arranged, 

 containing 1 to 3 spikelets; bristles 

 plumose toward base, unequal, the 

 longer 3 to 4 cm. long. % (P. 

 ruppelii Steud.) — Cultivated for orna- 

 ment, especially as a border plant or 

 around fountains; introduced from 

 Africa. 



6. Pennisetum clandestinum 

 Hochst. ex Chiov. Kikuyu grass. 

 (Fig. 1114.) Low-growing, rhizoma- 

 tous, stoloniferous perennial, the sto- 

 lons with short internodes; inflor- 

 escence consisting of 2 to 4 spikelets 

 almost entirely enclosed in the upper 

 sheath of the short culms. 01 — 

 A troublesome weed in orchards and 



Figure 1111. — Pennisetum nervosum, X l A- (Ferris 

 and Duncan 3198, Tex.) 



gardens in southern California. Intro- 

 duced from Africa. A good forage 

 grass in tropics and subtropics. 



Figure 1110. — Pennisetum setosum, X H- (Amer. 

 Gr. Natl. Herb. 611, Trinidad. 



Figure 1112. — Pennisetum villosum, X }4- (Eastwood 

 172, Calif.) 



