154 CLASSIFICATION OF [CH. 
©© Awn bent and twisted, basal or nearly so; 
glumes very hairy. 
A Gtlumes golden brown: one awn straight, 
one “kneed.” 
Anthoxranthum odoratum. 
The grass which gives the scent to new-mown hay. The “seed” 
is often impure, containing a continental species A. Pueli and other 
hairy forms. 
Fig. 67. Anthoxanthum odoratum. a, ‘‘seed”’ and caryopsis, nat. size; 
b, the ‘“‘seed,” and c, caryopsis, x about 7. The ‘‘seed”’ consists 
of the inner hairy glumes, each with a dorsal awn—one Eneed— 
enclosing the paleew and caryopsis. The outer pair of unawned 
glumes has been removed. Nobbe. 
Anthoxanthum odoratum, L. (Fig. 67). 
The one-flowered spikelet has four hairy glumes, the 
outer pair of which are unequal and awnless: the “seed” 
consists of the imner pair of golden-brown hairy and 
dorsally awned glumes, covering the thin, membranous, 
shining, smooth, blunt paleze and the caryopsis, to which 
the inner palea adheres. Total length, without awns, 
about 83—4mm. Palealémm. Caryopsis 15 mm., brown, 
shiny, and easily separating. One awn is short, stiff 
and straight and inserted above the middle of its glume; 
