434, CXLII. GRAMINER. 
Awn between the teeth of flowering glume 
proceeding from the 3 united middle nerves. 57. 
Awn below the top proceeding from mid- 
nerve only. 
Flowering glume compressed, keeled. 
Awn bent or flexuous : . 58. 
Flowering glume rounded on back. Awn 
twisted . .) e159 
Spikelet with lowest flowering glume ‘imperfect 
Outer glumes 3-nerved . . SEPT 
Outer glumes many-nerved . . -6L, 
Spikelets with 2 lowest flowering glume male or 
neuter, awned ; upper fertile, awnless . . . 62. 
Subtribe 6. FestucacEm. 
Stamens never more than 3. 
Spikelet articulated below the outer glumes (as 
in Panicee), 2-4-flowered « . : 
Spikelet articulated above the gies alumes, 
which are persistent. 
Grain free, not adhering to upper palea. 
Rachis of spikelet bearded with long hairs. 
Lowest flowering glume hermaphrodite. 64. 
Lowest flowering glume male or neuter. 65. 
Rachis of spikelet not bearded with long 
hairs. 
One or both outer glumes 5- or more- 
nerved. 
Flowering glume many-nerved, deeply 
divided into 9-13 sae equal 
points . . 66. 
Flowering glume 9. nerved, obovate, 
2-fid at top “OL 
Flowering glume 7- nerved, with a 
very long flexuous point . 
Flowering glume faintly 9- nerved, 
very thin, acute- or short-pointed . 69. 
Flowering glume many-nerved, coria- 
ceous, pointless or acute (Cape spe- 
cies with club-shaped hairs on back) 70. 
Flowering glume 7- or more-nerved, 
flattish-convex, membranous at top, 
blunt (in Cape species with very 
long silky hairs on back). . . . 71. 
Flowering glume obsoletely 3-nerved, 
blunt or with very short point . 
Outer glume never more than 3-nerved. 
Flowering glume pointed, awned or 
acute; nerves, when present, 
running into the point. 
Flowering glume herbaceous, 
pointed, compressed, keeled. 
Panicle contracted, branchlets in 
1-sided clusters . 
Flowering glume membranous, 
. 68. 
eye 
DANTHONIA. 
TRISETUM. 
AVENA. 
TRICHOPTERYX. 
CHAZ TOBROMUS. 
HIEROCHLOA. 
63. FINGERHUTHIA. 
ARUNDO. 
PHRAGMITES. 
PAPPOPHORUM. 
ScHISMUS. 
URocHLENA. 
LaASIOCHLOA. 
BRIZOPYRUM. 
METICA. 
CHONDROLENA. 
. Dacrytis. 
