5 
Glumes ‘Straight. or up- 
a 
is not or only slightly 
turgid - - 
Glumes. slightly recurved 
upwards bulging be- 
low and arching over 
obsolete, usually pre- 
sent only at the base, 
therefore the glume 
not striate, delicate’ - 
** Annual, or at least with no trace 
of a rhizome, sometimes with 
lateral tufts of leafy shoots 
bearing; glumes membranous, 
greenish, somewhat glistening - 
I. Micropaleatae. 
Branches of the panicle long-plumose ; 
spikelets 1-1-4 cm. long; leaves 
and sheaths finely scaberulous or 
quite smooth, tet pubeowns, 
girders percurrent 
Branches of the “paatlle very shortly 
hairy; spikelets 9 mm long ; 
leaves densely pubescent ; girders 
alternately percurrent and _ inter- 
rupted - - - 
Il. Aphyllae. 
Only species = - - 
III. Sclerophyllae. 
Valve vo hairy all over, lobes 
ciliate; leaf-blades stiff, junciform 
or et tleko, quite smooth or 
almost so : 
VI. Siriatae. 
VII. Turgidulae. 
VIII. Aphanoneurae. 
IX. Annuae. 
1. elegantissima, 
2. Tucker. 
3. Muelleri. 
