



Fig. 168: Setaria geniculata: a, spikelet, showing fertile lemma and the few up- 

 wardly barbed bristles on branchlet, X 12; b, floret, showing palea, X 12; c, spikelet, 

 showing first glume and sterile lemma, X 12; d, rachilla, the bristles remaining and the 

 spikelets having fallen off from the branchlets, X 6; e, leaf sheath, showing long-ciliate 

 ligule and the sparsely set long hairs at base of the scabrous blade, X 6; f, habit, upper 

 part, showing the slender linear panicles, X %; g, habit, lower part, showing the 

 knotty branching rhizomes and the erect, ascending leaf blades, X %. (From Mason, 

 Fig. 84). 



