222 



APPENDIX II 



many; lower glumes i-veined, upper 3-5-veined; 

 glume shorter than lower floret; awn straight. 



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. Agropyrum ( Triticum). 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 

 rachis, cartilaginous; empty glumes 1-3. 



518. Nardus. Spikelets solitary; spike 2-rowed, 

 one-sided; style long; glumes o. 



519. Hordeum. Spikelets i -flowered, in 3*3; 

 paleae with long awns; glumes 2, with long 

 bristles. 



520. Elyinus. Spikelets 2-3, florets 2-7; 

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

 bristles. 



