154 CLASSIFICATIOX OF [CH. 



0© Ai'm bent and twisted, basal or nearly so; 

 glumes very hairy. 



A Glumes golden brown : one awn straight^ 

 one ^^ kneed" 



Anthoxanthum odoratum. 



The grass which gives the scent to new-mown hay. The " seed " 

 IS often impure, containing a continental species A. Fuelii and other 

 hairy forms. 



Fig. 67. Anthoxanthum odoratum. a, " seed " and caryopsis, nat. size; 

 6, the "seed," and c, caryopsis, x about 7. The "seed" consists 

 of the inner hairy glumes, each with a dorsal awn — one kneed — 

 enclosing the paleae and carj^opsis. The outer pair of unawned 

 glumes has been removed. Nobbe. 



Anthoxanthum odo7^atu'm, L. (Fig. 67). 



The ODe-flowered spikelet has four hairy glumes, the 

 outer pair of which are unequal and awnless : the " seed " 

 consists of the inner pair of golden-brown hairy and 

 dorsally awned glumes, covering the thin, membranous, 

 shining, smooth, blunt palese and the caryopsis, to which 

 the inner palea adheres. Total length, without awns, 

 about 3 — 4 mm. Palea 1"6 mm. Caryopsis 1*5 mm., brown, 

 shiny, and easily separating. One awn is short, stift 

 and straight and inserted above the middle of its glume ; 



