THE GENERAL CHARACTERS OF SEEDS 



421 





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Figure 255A 



Fig. 255 A 



Figure 255B 



Fig. 255B 



Fig. 255. A. Perennial Rye Grass (Lolium jjerenne). B. Italian Rye-grass 



(Lolium italicum). 

 (A, after Hillman ; B, drawn by C. M. King.) 



Italian Rye Grass (Lolium italicum A.). 



Spikelets two-fifths to three-fifths in. long, 6-15-flowered ; flower- 

 ing glume scabrous near the summit, awned; awn slender, about 

 length of glume ; margin of palet serrate. 



Quack Grass (Agropyron repens (L.) Beauv.). 



Spikelets 4-8-flowered ; empty glumes 5-7-nerved, obtuse or 

 notched, acute or acuminate ; flowering glume awned near apex ; 

 two-fifths in. in length ; 5-7-nerved above the middle, finely rough- 



