178 AVENA PKATENSIS. 



Inner palea shorter, and having minutely fringed margins. 

 Awns rough, and twisted at the base. Length from eighteen 

 to twenty-four inches. Root perennial and fibrous. 



Flowers at the commencement of June, and ripens its seed 

 in six weeks. 



There are two varieties. Longifolium, having lengthy, linear, 

 flat leaves; growing in damp shady woods near the sea in the 

 neighbourhood of Edinburgh. Latifolium, with short broad 

 leaves; a tall stout plant. 



The specimen illustrated was gathered at Tadcaster, by Mr. 

 Joseph Sidebotham, of Manchester. 



