114 POA EIGIDA. 



Flowers in the middle of July, and ripens its seed in a month. 



Poa rigida is unlike all others except P. loliacea; however P. 

 rigida has the apex of upper glume on a level with the base of the 

 third floret, whilst in P. loliacea it is on a level with the base of the 

 fourth floret. 



The specimen illustrated was gathered on Col wick Park Wall, by 

 Mr. Joseph Sidebotham. 



