215 
Andropogon.] clvii. gramine^ (Stapf). 
dT' 
Sessile spikelets up to 2| : lin. long ; none 
of the glumes distinctly aristulate, 
though sometimes mucronate ; j oints 
and pedicels stout. 
Sheath-auricles and ligules up to 6 lin. 
long ; blades rigid, to oyer 1 ft. 
by 2 lin 32. A. perligulatus. 
Sheath-auricles and ligules up to 14 lin. 
long. 
Culms sparingly branched upwards, 
slender ; blades up to 1 ft. by [ tus . 
1£ lin 33. A. canalicula- 
Culms simple, very slender ; blades 
up to 4 in. by £-1 lin. ... 34. A. tumidulus. 
Culms very wiry, branched almost all 
along ; stem-nodes often swollen ; 
leaf-blades linear from a constricted 
and rounded base, 4-6 in. by 2 lin. ; 
joints and pedicels of racemes quite 
glabrous except at the base, stout, 
shining ; anthers of sessile spikelets [ therus 
much smaller than those of pedicelled 35 A. heteran- 
ttLower glume of sessile spikelet concave on the 
back with the keels distant ; joints and 
pedicels stout, clavate, shortly ciliate ; culms 
sparingly branched from the upper nodes ... 36. A. pinguipes. 
**Racemes solitary. 
Racemes in. long ; sessile spikelets 2^-3 lin. 
long ; upper glume with a terminal bristle, 2 lin. 
long ; leaf-blades laterally compressed, folded, 
midrib forming a high keel ; culm sparingly 
branched above 37. A. textilis. 
Racemes 1 J in. long ; sessile spikelets 2 lin. long ; 
upper glume without a terminal bristle ; leaf- 
blades flat, midrib very slender ; culm with 
appressed barren branches almost all along ... 38. A. Macleodice. 
IV. Notosolen. 
Leaf-blades rather thin ; spatheate panicle very large, 
decompound ; racemes 1-1^ in. long ; joints and 
pedicels linear, slightly widened at the tips, subtrans- 
parent ; sessile spikelets 2^ lin. long ... 39. A. tectorum. 
Leaf-blades somewhat firm to very firm ; spatheate 
panicle not or hardly decompound, usually more or 
less contracted ; racemes 1^-2| in. long ; joints 
linear to clavate-cuneate, stout and firm ; sessile 
spikelets 2-|--4| lin. long. 
Leaf-blades rarely over 8 lin. wide, much attenuated 
at the base and there often reduced to the terete 
midrib, somewhat firm ; joints and pedicels 
clavate - cune ate . 
Mouth of leaf-sheaths produced laterally into long 
(2 to more than 5 lin.) acute lanceolate auricles, at 
first adnate to the longer ligule, at length often 
breaking away from it ; blades up to 4 lin. wide 40, A, auriculatus. 
