336 GRAMINEH (Stapf). [ Andropogon. 
+Proper spathes narrow, linear to lanceolate, 
Spikelets of the lowest pair of the peduncled 
raceme of different sex: 
mmon pe is wong or more 
often exceeding the long and very 
narrow spath cu rs 
ligules short up to 1} lin. long... (21) hirtus. 
ra em pla thes ; culms robust; 
up to 32 a “i ng . (22) auctus. 
Spikelets not silvery villo 
Spurious panicle de cae lower 
s er a auite pinpecas below ; 
ete stout, t 
Comm n pees enclosed in the 
Make olate spathes —— 
ets gla 
te yee ape .. (28) Schimperi. 
m 
often ie: pena from the 
ve! with short rigid rufous 
hai . (24) rufus. 
Sg pa nlc, narrow, remotel ely a 
antily branched; culms edhe 
pander sheaths fugaci 
0 e 
strongly curved or cirriform (25) dregeanus, 
Racemes ‘shee, 2-5-jointed, short] later- 
ally or su ubt erininally exserted, falling 
from me pink adin nety bearded tips of 
he n peduncles : (26) dichrous. 
ioe ce the lowest 2 pairs “of the 
Pp aceme alike in form ane sex (28) Buchanani. 
oe ready ers olate to ovate, 
vividly coloured ; racemes : 
“e 3-jointed . (27) Cymbarius, 
ee of 3 sla slender, acute, up ‘to 1lin. 
ong, d 
No scivions ‘bret “appendage below the 
spike 
Racemes ore 5-6 lin. wees each with 1] $ 
spikelet . (29) filipendulus. 
21i 
of each tg with 2-4 g spikel 
si 
Culms le ; racemes es oe healt 
or ahs ; ast one of each pair with 2-3 g : 
lets ; ree — 3... (30) transvaalensis. 
C ule “ss anched a g 5; racemes ae 
in. long, te yg rg 
“ie é s 2 eine po of pected 
spikele pag stim . (31) pleiarthren. 
$ ~~ parses a rae a bract-like a appen- 
to the tip of the joint or peduncle ... (32) Ruprechtii. 
