550 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



Figure 1152.-^4, Ardhaenantia rufa, X 1. (Amer. Gr. Nat. Herb. 290, N.C.) B, A. villosa. Plant, X Yi, 

 spikelet and floret, X 10. (Chase 4605, N.C.) 



120. TRICHACHNE Nees 



(Valota Adans. inadequately published) 



Spikelets lanceolate, in pairs, short-pediceled, in two rows along 

 one side of a slender rachis; first glume minute, glabrous; second 



