126 POA ALPISTA. 



three-ribbed. Inner palea membranous, and rather shorter. 

 Length from four to twelve inches. Root perennial, fibrous, 

 and tufted. 



Poa alpina may be distinguished from P. laxa, in having 

 the panicle upright, the root tufted, and the upper leaf folded. 



Blooms in the third week in May, and becomes ripe at the 

 end of June. 



The specimen for illustration was gathered on Snowdon, by 

 Mr. Joseph Sidcbotham, of Manchester. 



