164 



CLASSIFICATION OF 



[CH. 



A Palea scaherulous or hairy, awn from half to 

 about its ovm length. 



Bronvus erectus. 

 B. asper. 



Bromus erectus, Huds. 



Palea with 5 — 7 scaherulous ribs, but not hairy, flat 

 above, incurved below, so that the inner palea is clearly 



Fig. 71. Bromus asper, a barge- 

 shaped " seed " -with terminal 

 awn, nat. size and x about 5. 

 Cf. Fig. 50. Stabler. 



Fig. 72. Brachypodmm sylvati- 

 cum, a barge-shaped " seed " 

 with terminal awn, natural 

 size and x about 5. Cf. Fig. 

 77. Stebler. 



