A 



Anihistiria arcuacca (F.V.M. "Tall oat" grass.) 



REFERENCE TO PLATE. A, cluster of male or barren spikelets, and the 

 fertile one, opened out to show how they are arranged ; B, fertile spikelet opened 

 out, showing the three glumes and terminal awn ; C, male spikelet ; D, grain, 

 back and front views. All the details natural size, with the exception of the 

 cluster of spikelets, which is reduced. 



