169 



Seed of 

 lolium perenne suttoni 

 (_SuUm'3 Perennial Rye Grass.) 



LOLIUM PERENNE SUTTONL 



SUTTON'S PERENNIAL RYE GRASS. 



Eoots fibrous, rootstock perennial, sometimes sto- 

 loniferous. Stems 1 to 2 feet, bent at the base, ascend- 

 ing, smooth, and slightly com- 

 pressed. Leaves flat, narrow, 

 and obtuse ; edges and upper 

 surface scabrid ; sheath smooth 

 Natural ^^^ compresscd ; ligule short 

 ^'^°' and blunt. Panicle spiked. 

 Spikelets many-flowered, soli- 

 tary, sessile, distichous. Empty 

 glumes, only an outer one to 

 each spikelet, except in the case 

 of the upper spikelet, which 

 has two, lanceolate, smooth, dis- 

 tinctly ribbed, and shorter than 

 the spikelets. Flowering glumes 

 obtuse, ribbed, and with sometimes a minute awn. 

 Flowers May and June. 



Front and side views magnified 

 8 diameters. 



