93 
subspicatum (L.) Beauv. DOWNY OAT-GRASS.—a, A 
_giisiet ban nae a orets. Figs. 159 to 164, in Bul. 7, and 496 to 498, in Bul. ‘17, 
lustrate other species of Trisetum. 
A desepe once 1805, Spikelets 2- (rarely 3- to 5-) flowered; 
la hairy or ete uae above the igen glumes and between the 
ate spew beyond the upper flower as a (usua re race — tials 
glumes 2, awnless, carinate, t ual, usually : 
sae wering whecned Sgn carinate, cleft or 2- pian at the apex ‘the tee th 
mes produced into slender awns,awned between or a little below the 
tect awn _twisted and usually geniculate. Palea near snowy Grain 
th 
Ceespitose- 
nials (rarely annuals) with flat leaves and dense and spike-like, or nar- 
panic 
Species 50, from the arctic regions thi the temperate zone and along th he 
tamination Bemeatin & Seotese lent” te countries. North Ameri- 
bout 10. - 
