+Setaria verticillata (L.) P. Beauv., bristly foxtail, bur 
ristlegrass, p. 237 
var. ambigua (Guss.) Parl. 
var. verticillata 
+S. viridis (L.) P. Beauv., green foxtail, p. 238 
var. viridis 
SITANION (see ELYMUS) 
SORGHASTRUM, Indian grass 
Sorghastrum nutans (L.) Nash, Indian grass, p. 252 
SORGHUM, sorghum 
+Sorghum bicolor (L.) Moench, p. 249 
ssp. bicolor, sorghum, sorgho, broom corn, Kafir corn, 
durra, feterita, etc. [S: S. caffrorum (Retz.) P. 
(de 
+S. halepense (L.) Pers., Johnson grass, p. 248 
SPARTINA, cord grass, slough grass 
Spartina pectinata Link, prairie cord grass, slough grass, 
p. 179 
: ock 
S: Steyermark G: Great Plains Flora M: Mohlenbr 
271 
