15 
(Astrebla has the inflorescence, but not the glumes of Chloridez.) 
Spikelets one-flowered. 
Spikelets awnless, in digitates pikes, the rhachis 
of the spikelet not at all or minutel 
produced above the flower __... ... 72. Cynodon. 
Spikelets awned, in a simple or in digitate spikes, 
with one or more empty glumes above 
the flowering one poe is ... 73. Chloris. 
Spikelets several flowered (rarely one flowered in 
Leptochloa). 
Flowering glumes entire. 
Grain or seed within the pericarp loose and 
rugose. Spikelets in digitate or scat- 
tered spikes, awnless or with long 
pointed glumes ... =e ne ... 74, Hleusine. 
Grain smooth, the pericarp adnate. Spikelets 
awnless, in scattered spikes aoe 
“J 
1) | 
. Leptochloa. 
Flowering glumes with a minute point between two 
small hyaline lobes. Spikelets in a single 
or in scattered spikes, awnless_... ... 76. Diplachne. 
Subtribe II].—Miliez.—Spikelets one or two flowered, in a loose or 
narrow and dense panicle, the rhachis of the spikelet not produced above the 
upper flower. Outer glumes usually convex, several-nerved or almost 
nerveless, unawned. Flowering glumes nearly similar, unawned or with one 
straight awn. Grain free. 
Rhachis of the spikelet glabrous or nearly so. Outer 
glumes faintly-nerved. Flowering glumes 
unawned. 
Spikelets one-flowered ... He aa ... 77. Sporobolus. 
Spikelets two-flowered, the flowering glumes 
close together or little distant, hardened 
as well as the palea round the grain as 
in Panicum... . 79. Isachne. 
Rhachis of the spikelet hairy round the flowering 
glumes. 
Spikelets two-flowered. Outer glumes many- 
nerved. Flowering glumes awned or 
unawned we a ies ... 81. Eriachne. 
Subtribe [V.—Festucaceze.—Spikelets several—often many-flowered in 
a loose or narrow and dense panicle or capitate, the rhachis of the spikelet 
usually produced beyond the last flower or ending in an empty glume. 
Outer glumes usually narrow, acute or rarely obtuse, unawned. Flowering 
glumes entire or slightly notched, obtuse, acute or the keel or midrib 
produced into a point or straight awn. 
Group i. Several empty awned glumes above one or two flowering ones. 
Spikelets in a narrow and dense or loose and spreading 
panicle avs tee ied isi ... 82. Ectrosia. 
Group ii. Only one empty glume above the flowering ones, sometimes 
rudimentary or deficient. 
