196 TUITICUM KEPENS. 



dentated, and having two green marginal ribs. Length from 

 twelve to twenty-four inches. Eoot perennial and creeping. 



Flowers at the commencement of July, and ripens its seed 

 in six weeks. 



There is a common variety known as variety Aristatum, 

 which is frequently mistaken for Triticum caninum, but is 

 distinguished in the glumes having five ribs. 



The specimen illustrated was gathered at Beeston, near 

 Nottingham. 



