107. Penmsetum. 213 
margine scarioso pallido, acuta scabritiscula haud ca- 
rinata linea ulrinque elevata; interior aureo-virens, 
margine scarioso pallido, acuta Koeata, pilis brevissi- 
mis arrectis in qua vis linea. Valvula ext. glumellae 
neutrius pallens superne virens acuta laevissima gla- 
bra; interior membranacea. Glumella fertilis uti so- 
let cartilaginea laevissima, glumella sat minor» 
107. PENNISETÜM. 
Inßorescentia spicata. Involucrum e setis plu- 
ribus includens spiculas 1 — 2 bi Horas. Gluma 
bivalvis, valva exterior minor. Glumella ferti- 
lis bivalvis, valvulae aequales non cartilagineae 
nervosae. Glumella mascula aut neutra uni-bi- 
valvis, valvula interior minor membranacea saepe 
deficiens. Stylus 1. 
Pennisetum a Setaria distinguendum , non selis 
plumosis, nec stylo unico, sed quod singulari habitu 
glumellae fertilis careat. Ligulae loco pili. 
470. P. CILIARE. 
Folia pilosa, vagina margine lanata. Spica sub- 
disticha. Setae spiculis longiores basi plumosae 
apice scabrae, unica longiore paleacea. Spiculae 
binae. 
P. cenchroides Richard. Pers. syn. 1. 72. M. 
S. 2. 259. m. 2. 148. Panicum vulpinum TV. E. 1. 
103. E. a. 1. 75. Cenclirus ciliaris Linn. TV. sp. 1. 
318. Habitat in Caribaeis, Cumana. 0. C. Setae 
rubentes. 
