112 POA PROCUMBENS. 
base, the centre rib stretching a little beyond the apex of the 
palea; innea palea somewhat shorter, and having two green 
marginal fringed ribs. Styles brief. Stigmas branched. Length 
from three to fifteen inches. Root annual. 
Flowers about the middle of July, and ripens its seed in a 
month. 
Distinguished from Poa maritima in its annual fibrous root, 
in the rough rachis and branches, broad flat leaves, and in 
the greater length of the central rib of the outer palea. From 
P. distans in the compact panicle, the unilateral branches, in 
never being deflexed, and in the dorsal rib of outer palea 
stretching beyond the summit. 
P. rigida, and also P. loliacea cannot be mistaken for it on 
account of their having acute glumes, destitute of lateral ribs. 
The specimen for illustration was gathered at Blackpool, by 
Mr. Joseph Sidebotham, of Manchester. 
