C A L A AT A ( r R 0 S T 1 S , 1 1 0 1 ll . 
Spikelets very narrow, lanceolate, acuminate, in contracted much divided 
panicles ; rhachilla disarticulating above the glumes, not or very shortly continued 
beyond the floret. Floret 1, perfect, much shorter than the glumes. 
Glumes equal or subequal, very narrow, lineardanceolate, acuminate, membranous, 
keeled, lower 1-, upper 3-ncrv-ed. Yalve narrow, lanceolate in profile, membranous, 
glabrous, more or less shortly Infid, o-o-nerved with a fine short dorsal, rarely sub- 
terminal aAvn ; callus small, long hairy, hairs usually much exceeding the valve. 
Pale 2-nerved, as long as the Aalve or somewhat shorter. Lodicules 2, hyaline. 
Anthers 3. Ovary glabrous, styles distinct, short ; stigmas plumose, laterally 
exserted. Grain enclosed by the hardly changed vah'e and jmle, free, subterete ; 
hilum basal, small ; embyro small. 
Perennial, usually rather robust : blades long, linear, tlat ; ligules scarious. 
Panicle more or less contracted, narrow, rather dense, with nuich divided branches 
and short branchlets and pedicels. Florets surrounded by long, fine hairs. 
Species few. in the r('m]»erate I'egions of the northern hemisphere. "2. ;ilso in 
South Africa. 
