144 FESTUCA PRATENSIS. 



lanceolate, acute, flat leaves, with smooth striated sheaths, upper sheath 

 extending considerably beyond its leaf. Joints four. Inflorescence 

 simple-panicled. Spikelets somewhat ovate, and of five or six florets. 

 Calyx of two acute, unequal, smooth glumes, and three-ribbed. Florets 

 of two equal paleee, exterior one of basal floret somewhat longer than 

 the calyx; five-ribbed and membranous. Length from fifteen to twenty- 

 four inches. Root perennial and fibrous. 



Flowers at the end of May, and seeds ripe at the end of July. 



The illustration is from a specimen given to me by Dr. Wilson, of 

 Nottingham. 



