GRAMINACEAE. 
banca ae hermaphrodite and awned, we 
ane i or rudimentary 
Sessile — let female and awn ned, with ‘lo west 
lume convolute; the perry one or 
ma ay flat and awnless 
Spikelets free in a compound panicle 
aaron in pairs, one er at xn other pedicellate ; 
rminal ones tern 
ce surrounded by long — hair 
Spikelets naked at ae 
Spikelets all prone ternate, jane middle one 
sessile, the lateral ones ete ella 
aeeres ate single ond haute hag 
Em 
r glum 
Fe eile digi eos hardened ; spikelet dorsally 
com ha 
Fertile glu e with a twi sted awn; spikelet ter rete 
Empty Sd ‘glumes 2; spikelets terete or laterally 
om 
— enclosed in the hardened awned glume 
ts palea, which do a exceed the pene 
pa sn outer glumes 
fret 
Grain 
nes, but lon 
Nowethe pe Boe generals with a dorsal awn, 
shorter than the outer awnless 0 
Axi of pape glabrous 
s of § spikelet : ‘ 
Fl } inal shorter 
an the a. saithone am : 
Spikelet with we perfect fl wers 
Spikelet awnless; grain seers ti 
Panicle spike-like; pedicels with an awn-like bristle 
0 €. 
Flowering glume with a twisted o r bent dorsal awn: 
owerin, 
Flow 
Spikelet with 1 more than “two perfect florets : 
Spik 
se ya cages on one side of the sua rays 
$ : 
Spikelet sb ydrigreng. triangular; flowering glumes 
the top 
Spikelet d, ovate or ‘janceolate or linear- 
f +}. + i, rin 
gin s keeled: 
Fives glumes 3-nerved; paleas persistent 
on the often — ous axis of the spikelet 
Flowering glumes erved, the nerv 
airy; axis of sl articulate 
Grain adnate to the palea when mature; flowering 
glumes convex on the rer 
8. 
16. 
£ 
5 
5 
% 
30. 
13, 
ha 
. Andropogon. 
Heteropogon. 
Saccharum. 
Sorghum 
. Chrysopogon. 
Panicum, sas 4—I4. 
Arundin 
Garnotia. 
. Sporobolus. 
8. et bi 
. Deyeu. 
Polypogon. 
. Setaria (Dissochondrus). 
. Isachne. 
. Deschampsia. 
. Trisetum. 
vena. 
Aven 
Lolium. 
Eleusine. 
Arundo. 
. Briza. 
Eragrostis. 
29. Poa. 
