FESTUCACE^E 



293 



Spikelets less compressed, 

 linear or linear-oblong ; 

 lateral nerves less promi- 

 nent ; not fascicled, long 

 pedicellate and divaricate 

 when ripe. 



Leaf margins without 

 glands. Spikelets ver- 

 satile, narrow, linear I 

 inch or more long, 

 branches of panicle 



solitary 



Leaf margins glandular. 

 First glume I-nerved and 



second glume 3-nerved 

 First glume and second 



glume I-nerved 

 Spikelets small, % inch or 

 less, branches of panicle 

 whorled ... 

 CC. Spikelets sessile and 

 jointed on the very short 

 densely crowded branch- 

 lets o fa tall, narrow raceme 

 like panicle, deciduous, 

 acute, much compressed, 

 imbricate and secund 

 AA. Spikelets in a long terminal spike. 

 Spikelets distichously spreading, 

 secund, keels of palea winged ... 



3. E. tremula. 



4. E. major. 



5. E. Willdenoviana. 



6. E. pilosa. 



7. E. cynosuroides. 



8. E. bifaria. 



