1164 BENGAL PLANTS. 
+Spikelets in open or contracted panicles ae 1163] 
R nicles 
Panicle spiciform, silky ; rachis tough ............... Imperata. 
neice ear ca open, a rachis pare 
kelet, 
= 
ise] 
am awned corter na . 
SASL! of spikelets 2-nate, digitate, or approximate on a short 
Pollinia. 
siSpikelete dedindias :—_{p. 1163] 
= peels a each pair differing in d structure or (Ophiurus) 
not secund _—[p. 1165 | 
- fiutkelets eink? in pits of an articulate, fragile rachis :— 
Sessile spikelets solitary in each internode of the spike :— 
essile spikelet PeSeRe DRL by an upper spikelet 0 or the 
pedicel of on 
arene spikele seaieelaiate by a dissimilar paiscliad 
spi 
Glume I I. globose, inflated, pitted ............+6 Manisuris. 
lume I. smooth :— 
Glume I. ovate-oblong .............sceseceeeee ey 
Glume I. caudate ossia. 
Sessile spikelets 2, opposite in each internode...... oe 
Spikelets not sunk in nodes of the rachis :— 
Spikelets 3, a sessile 2-flowered and 2 pedicelled, enclosed in 
a peduncled spathe on a short, 1-nodal, inarticulate rachis 
uaa. 
Spikelets many or few on a plurinodal, inarticulate rachis :— 
pikelets many, 2-nate, rarely solitary, in spiciform 
Margin of glume I. of sessile spikelet infie 
Ischemum. 
Margin of glume I. of sessile spikelet not inflexed :— 
ned :— 
es lanceolate; spikelets 2-flowered Apocopis- 
pole cordate ; spikelets 1-flowered...Arthraxon. 
Spikelets 2-nate, with only the upper spikelet awned 
Lophopogon. 
Spikelets in compound panicles or spiciform racemes, 
variously disposed; 2-nate, rarely 3-nate; lower floret of 
