MANUAL OF THE GRASSES OF THE UNITED STATES 



335 



Figuee 459. — Apera inter- 

 rupta. Panicle, X Yi ; 

 glumes and floret, X 5. 

 (Bonser 3, Wash.) 



Figure 458. — Apera spica- 

 venti. Plant, X Vi\ glumes 

 and floret, X 5. (Martin- 

 dale, N. J.) 



