Aristida. | GRAMINER (Stapf). 553 
Panicle efluse or contracted ; branchlets and pedicels 
very OH long; spikelets 5-8 lin. long (exclusive ! 
the awns); glumes not aristulate; foot o 
1-6 lin. lon 
ng: 
Ligule a sre of —. —s hairs ; coro 3-6 in, 
long ; lower branches 14-3 i n. long ; foot of 
awn 1-2 i lin n. lon oat . (11) vestita. 
Ligule a M apiig or less woolly fringe; ‘panicle 
up to 14 ft. long, very effuse ; ny 
branches 1-8 in. long ; foot of awn 24-6 li 
lon 
Bivens subequal ; foot of awn 2} lin. long... (12) spectabilis. 
Glumes very ‘unequal 5 foot of awn vie lin. 
long ... mw .. (13) stipoides. 
Section 3. aor Awns nearly always orgs cae from the 
valve or together with ‘he ini part of ~ at Babe 0. 14. A. sericans), all 
or only the middle | bristle plumose ; glumes 
Awn continuous with the re the whole men 
more or less hair . (14) sericans. 
Awn disarticulating : 
*Valve ato 4 —_— into the aw 
Glum -oblong, pene ate ; 
sects long pao at the mouth and 
the nodes (15) ciliata, 
Glumes linear-lanc ceolat e, acumin: nate, tips 
minutely truncate, — alo te : 
ist — of the plu 
tenlity diserticnlating with 
ye tip of the Papi, densely 
: bla 1 ft, long or 
nger (16) capensis. 
Awn readily deciduons with the 
upper half of the valve : : 
uffrutescent ; spikelets 6-7 lin. 
lon 3 bristle 9-12 
lin. . (17) namaquensis. 
Not rn ; spikelets up 
to 4 He. — middle bristle 
. (18), proxima. 
Side-bristles ie aia "sparingly ‘and ad- 
pressedly ron et Palen 
pungent, 1-3 vf rt 
— hooks pvt Arr ined 
(19) lutescens. 
emit minutely and. ‘obtusely 2-lobed ; awn from 
nu 
genes glume rather longer t upper, 
tufted, with 1-noed very 
ene sh 1-12 in. hi 
ore panicles 1-6 ‘in. long, ex- 
és the leaf-tu - | ) obtusa, 
printers ee 2 1 in. high, inclusive o 
the very redaced pattie 21) subacaalis. 
Lower iccigg shorter than pg 
e narrow, rather lax, but not 
‘pike tiki 
Culms —— ft. long, 4-noded; 
blades up to 4 ft, long; panicle 
