56 AGROSTIS CANINA. 



of lateral ribs, dentate the entire length of its keel, and 

 larger than the inner glume. Floret consisting of one palea, 

 ovate, five-ribbed, hairy at the base, dentate at the summit, 

 and having a lengthy dorsal awn commencing from a little 

 above the base, and extending half its length beyond the 

 apex of the palea. Length from one to two feet. Root per- 

 ennial and creeping. 



There is a small alpine variety found on the Scotch moun- 

 tains, which is only from two to three inches in length. 



I am indebted to Mr. Sidebotham, of Manchester, and Dr. 

 Wilson, of Nottingham, for specimens of this Grass. 



