DESCRIPTIVE MANUAL 



19 



Chemical Composition. — Various analyses have been reported 

 from "Washington, D. C, Mississippi, South Dakota and Iowa. The 

 following analyses are given by Dr. "Weems : 



Fig. 8-B. Pigeon Grass (.Setaria glauca) ; a,, portion of leaf showing ligule ; 6, 

 spilcelet with bristles ; o, spikelet; d, spikelet with first, second, and third 

 glumes ; e, spikelet showing flowering glume and sterile glume ; f, flower 

 opened showing stamens and pistil. 



Fig. 8-A. Distribution of Pigeon Grass. 



