MANUAL OF THE GRASSES OF THE UNITED STATES 



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22. Aristida glauca (Nees) Walp. REVERCHON THREE-AWN. (Fig. 

 968.) Perennial; culms erect, 20 to 40 cm tall; blades involute, 

 mostly curved or flexuous, 5 to 10 cm long, about 1 mm thick; panicle 



FIGURE 962. Aristida hamulosa. Panicle, X 1; floret, X 3. (Type.) 



narrow, erect, rather few flowered, mostly 8 to 15 cm long, the 

 branches stiffly appressed; first glume 5 to 8 mm long, the second 



FIGURE 963. Distribution of 

 Aristida hamulosa. 



FIGURE 964 Aristida patula, X 1. (Hitchcock, Fla.) 



FIGURE 965. Aristida pansa, X 1. (Wooton, 

 N. Mex.) 



about twice as long; lemma 10 to 12 mm long, tapering in to a minutely 

 scabrous, slender, somewhat twisted beak about half the total length 

 of the lemma; awns equal, divergent or horizontally spreading, 1.5 to 



