Paniewm.] GRAMINEX (Stapf). 385 
i branches of pane 4-24 in, long; pedi- 
Is $-1 lin. lon 
© Spikelets obtmie, g 
nati shou (except at eet ment 
argin 
pe the ta obscurely beeen 
nodes) ; ee er ‘plate equalling 
the spikelet or less; oo hee toa (15) filiculme. 
Leaves finely hairy; glume 
ee 4 of the shila: stliole 
ong (16) hymeniochilum. 
oe poco to acuminate, often pubes- 
; glumes subequal . 17) equinerve, 
Lower branches of panicle 3-6 in. ‘long ; pedicels 
ore dna 1 in. long . (18) perlaxum, 
4 to 
Lower aes 
grag scanty apie 14-2 lin. long; fruit- 
g valve wr 
"Blades Gittonntod into a short petio 
longer pedicels up to 14 lin. lng 
g . (19) chusqueoides. 
Blades not petioled ; Jonge r ‘pedi cels up 
in. long; spikelets lanceolate to 
hig aang ate 
sige large, effuse, very delicately branched ; 
pikelets 1 lin. long; fruiting valve finely 
sitsed 
sid re bem robust, often very tal blades linear 
to ed ar- reg eolate, 12 2 ft. by 2- 
. (20) obumbratum. 
(21) laticomum, 
su i ate 
in. long, turgid : 
glumes and lower valve callous, 
ally ee essed ; lower valve 
5-nerve we .. (22) zizanioides. 
Tips of glumes and er valve not 
callous ; et valve 7. nerved ,,, (23) deustum, 
Spikelets 1-14 lin. long, n id: 
Perennial ; lower va Bs S. ‘evel upper 
finely wrinkle . (24) maximum. 
Eager lower valve 7-¥-nerved, upper 
qui ooth . (25) levifolium. 
Spikelets distivetly saat or acum 
Pedicels very short “ich wait Py at 
uppe 
spikelets glaucous ; d . 
ower valve faiatly 5-n ... (26) meyerlanum, 
Pedicels gradually thickened u wards, the 
nge lin. long; ets not 
or x kel 0 
glaucous ; upper glume ie pees valve 
distinctly 7-13-(rarely 5-)nerved : 
oo oblong to svn Arona acu- 
e, 1— ip claves ong : 
icle coutracted, or when open 
pee nidal o ate with con- 
truss Easaeklaws longer pedicels 
up to 23 lin. long ; upper glume : 
r sas ——— .. (27) proliferum, 
midal or - 
alkanes divarente, very 
Mi longer pedicels up to se 
than 6. lin. Sut “ee glu 
and lower valve 5-7-nerved me (28) wore 
VOL, VII, 
