126 POA ALPINA. 
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. laza, m 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 Sidebotham, of Manchester. 
