APPENDIX II 



many; lower jflumes i-vcined, ii|)per 3-5-veiiied; 

 jjlume slioiter than lower floret; awn straig^ht. 



514. Brachypodium. Spikelets solitary, nearly 

 sessile; glumes unequal, opposite; edges to rachis; 

 upper palea coarsely fringed on ribs; ovary-tip 

 villous, 



515. Lolium. — Spikelets solitary; florets many; 

 sides to rachis; glume i, or inner smaller. 



516. Agropyrura(7'/-//;r;(m). — Spikelets solitary, 

 edge to rachis; glumes equal, opposite; lower 

 palea ciliate on ribs. 



517. Lepturus. — Spikelets solitary, alternate 

 on rachis; glumes 1-2; both on same side of 

 racliis, cartilaginous; empty glumes 1-3. 



51S. Nardus. — Spikelets solitary; spike 2-rowed, 

 one-sided; st}'lc long; glumes o. 



519. Hordeum. — Spikelets i-flowered, in 3's; 

 palea; with long awns; glumes 2, with long 

 bristles. 



520. Elymus. — Spikelets 2-3, florets 2-7; 

 glumes 2, on same side of spikelet; no awns or 

 bristles. 



\ 



