Fig. 169: Setaria glauca: a, spikelet, showing first glume and sterile lemma, X 10; 

 b, spikelet, showing fertile lemma and the upwardly barbed slender bristles on branch- 

 let, X 10; c, floret, showing palea, X 10; d, leaf sheath and ciliate ligule, X 6; e, habit, 

 upper part of culm, showing spikelike panicle, X %; f, habit, lower part, showing the 

 leaf blades with villous base above sheath, X %. (From Mason, Fig. 83). 



