j 
ae 
Fic. 75. pernighs cus (Walt.) Trin. (Ctenium americanum Spreng.) 
"GRASS. —a, ae eae glumes of a spikelet; b, a oaser eg with the 
outer ae eohae removed, Fig. 179 in Bul. 7 illustrates a other species 0! 
sccm 
CAMPULOSUS . Nouv. Bul. Soc. Philom., 2: 189. 1810. (Ctenium 
Basin — )_Spikelets2-to S-dowered; the lower hermaphrodite, the others 
staminate perfect; rachilla — ted above the piste glumes. Fes tind 
glumes gears base of the spikele 
the 9d larger hat rigid. act 
ger, g , y tl a, with a stout divergent 
awn on the back; g f the h di with a 
below the apex and Pyotr ciliate toward the base, 3-nerved. Stamens 3. 
sole inet; stigmas plumose. ether tall Pisin with marrow leaves, and 
ually solit 
, terminal, 
eight American, the others in the Eastern Hemisphere. 
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