420 GRAMINES (Stapf). [ Setaria. 
Sec 1. PrycnopHyrttuM (A. Braun under Panicum). Blades long, 
sileately “folded when young, ‘“ length sponte out ; panicles almost cies e or 
more or less open with elongated branches and cro owde d or somewhat distant spike- 
lets; bristles solitary, terminating the bra and branchlets and usually 
also subtending at — a _ of the literal kane or sometimes in fascicles 
at the base of the bra 
Culms 5-12 ft. long; blades 14-3 ft. by 1-33 in. ; 
oniag 1-2 fc. long; lower glume 3-, upper 
“ef 5-nerved; fruiting valve smooth or 
: ... (1) suleata. 
Psy es fi. “Jong ; ‘blades er ft. by 44 1.-ity 5 
panicle 4~1 ft. long, usually apikeclike 5 * lower 
glume 5- to sub-7-, upper 7-nerved ; fruiti ing valve ‘ 
finely and closely wrinkled ... (2) lindenbergiana. 
Section 2. Ev-Setaria (Stapf). Ligon not plicately folded when young; 
panicles usually spike-like and dense or compact, with very short pokes 
elongated) branches; bristles often crowded a more or less one-sided inv 
lucres subtending solitary or clustered spikel 
Blades ae ao ies oe er ... (3) appendiculata. 
Blades not s 
Perenni il pres olen cylindric ;_ bristles 
inti — 
a 
sete aga prolly a ower glume 5-, 
r 7-nerved, the ae Z the teosgah 
of a silat op r les 
s linear to linear-lanceolate, 3 4-2 
y in.; tips of bristles 
slightly hiekenad. blackish, almost 
wre BEE 
(4) nigrirostris. 
trades very ow, more t vga ft. 
by 14-2 fa, ocally volded * bristles 
sender, not thi kened above, scabrid 
along (5) Gerrardii. 
Sik not or scarcely turgid ; lower 
e 3-, upper 5-nerv: 
erat ge 2 ft. high, 2°S-noded, uppe 
m ode very slender aa 
longer than the others taken to- 
: icle 4-2 ty) 
Blades usually coreg A 
ute, 2-6 in. by 4-2 li h. (flat. i 
tened out) (6) perennis. 
Blades folded or ‘flat, 3-6 in. by 
1-2 lin. (unfolded (7) flabellata. 
Culms 2-6 ihe high, rather firm, 3- cs 
(rarely m os: a icle 2 in. 
to more then 1 ft. 1 
of ; 
vast ieee Steet Sieg (8) rigida. 
i us close 
ru Vv 8 
slender, often orange-coloured ; 
spikelets 1}-1} lin. long ..._- (9) aurea. 
SSE Se aoe oe 
