LOLIUM PERENNE SUTTONI. 



SUTTON'S PERENNIAL RYE GRASS. 



Boots fibrous, rootstock perennial, sometimes sto- 

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

 cending, smooth, and slightly compressed. Leaves 

 flat, narrow, and pointed ; edges and upper surface 

 scabrid ; sheath smooth and compressed ; ligule short 

 and blunt. Panicle spiked. Spikelets many-flowered, 

 solitary, sessile, distichous. Empty glumes, only an 

 outer one to each spikelet, except in the case of the 

 upper spikelet, which has two, lanceolate, smooth, 

 distinctly ribbed, . and shorter than the spikelets. 

 Flowering glumes obtuse, ribbed, and with sometimes 

 a minute awn. Flowers May and June. 



152 



