Panicum.] 
CLVII. GRAMINE.^ (Stapf). 
639 
§Glumes entire. 
Fertile valve very minutely mucronate, like the 
valvule finely transversely rugose ; spike- 
lets shortly pedicelled and subsecund on 
short secondary or lower down in the 
panicle tertiary branchlets rather crowded, 
1^- lin. long, glaucous green ; lower glume 
minute, nerveless or faintly 1 -nerved, upper 
glume and lower valve finely 5 -nerved ; 
dorsally flattened? perennial 
Fertile valve emucronate ; spikelets differently 
arranged. 
Spikelets more or less obtuse to shortly acute 
and plump, not gaping. 
r . (r* Spikelets oblong, 1-^-2 lin. long ; fertile 
glumes quite smooth. 
£ Axes of the inflorescence and sometimes 
also the culms with clavellate- 
tipped hairs ; spikelets 1^-2|- lin. 
long ; glumes and lower valve sub- 
herbaceous ; lower usually § the 
length of the spikelet or almost 
equalling it, rarely shorter and then 
conspicuously truncate and 9—1 1 - 
nerved ; upper glume and lower 
valve 5-11 -nerved ; perennial 
I. Eriochloide^e. 
II. Clavel- 
LIGERiE. 
&C Axes of the inflorescence glabrous or if 
hairy the hairs not gland-tipped ; 
spikelets 1|— 2 lin. long, glab rous ; 
glumes and lower valve subher- 
baceous ; lower very small, rarely 
\ the length of the spikelet, very 
thin to hyaline, nerveless or 1-3- 
nerved, rounded or subacute, upper 
glume and lower valve 5- (rarely 7-) 
nerved, nerves usually very slender 
(see 7, P. infestum) ; perennial . . . III. Maxima 
Spikelets broad-elliptic in outline to sub- 
globose, |-1 (mostly f) lin. long, 
breaking up ; fertile glumes warty 
(see also 88, P. heterostachyum,§ Ovali- 
folice ) ; glumes and lower valve 
thinly herbaceous - membranous, 
green or variegated with yellow or 
suffused with purple, frequently 
with a bronzy lustre ; lower glume 
\ to over f the length of the spikelet 
or equal to it, 3 -nerved ; upper 
glume and lower valve 5-nerved ; 
valve 'and valvule of fertile floret 
with few to many wart- like obliquely 
globose ovoid club- or spindle- 
shaped trichomes, attached to the 
epidermis by a minute circular base 
and appressed to it, pointing 
forwards, one-celled or frequently 
with 1, rarely 2, apical cells ; 
perennial or annual ... ... IV. Verruculosjs. 
