158 BROMUS ERECTUS. 



of lateral ribs. Florets of two paleae, exterior one of basal 

 floret a third longer than the small glume of the calyx; sum- 

 mit bifid and membranous; seven-ribbed; dorsal rib minutely 

 dentate, and ending in a rough awn. Anthers of a deep saffron 

 colour. Length from two to three feet. Koot perennial and 

 fibrous. 



Flowers towards the end of June; seeds ripe in a month. 



Variety Hirsutum a hairy variety. 



The specimen illustrated was gathered at Congleton, by Mr. 

 E. Wilson. 



