298 
CLVII. GRAMINE^ (Stapf). 
[Hyjoarrhenia. 
VII. Bracteat.®. 
Annual : panicles usually foliate, loose and more or less 
flaccid ; awns 2 or more often 3 in. long. 
Awns 2 per raceme-pair; spikelets large, fertile 3^-6 
lin. long, pedicelled 5-7 lin. long. 
Mature peduncles about equalling the spatheoles 
or only slightly shorter ; fertile spikelets 
34-44 lin., pedicelled 5-6 lin. long ; nodes not 
bearded. 
Sheath-auricles very long ; blade-base petioloid 
Sheath-auricles short ; blade-base not petioloid 
Mature peduncles very much shorter than the 
spatheoles; fertile spikelets 6 lin., pedicelled 
7 lin. long ; nodes with a spreading beard 
Awns 3-6 per raceme-pair ; fertile spikelets 3-34 lin., 
pedicelled 3-5 lin. long. 
Nodes with stiff yellow beards ; spatheoles up to 
14 in. long ; awns 3-4 per raceme-pair ... 
Nodes not bearded. 
Awns 3 per raceme-pair ; spatheoles 14 to almost 
2 in. long ; pedicelled spikelets 3-34 lin. long... 
Awns 5-6 per raceme-pair ; spatheoles over 2 in. 
long ; pedicelled spikelets 5 lin. long ... 
Perennial : panicle usually stiff and narrow, not foliate ; 
awns 2-4 per raceme-pair, 1-2 in. long. 
More or less coarse grasses with blades 1-2 ft. long ; 
mature peduncles about as long as the spatheoles 
or much shorter. 
Fertile spikelets 2-3 lin. long, their awns 8-18 lin. 
long. /( 
Spatheoles and mature peduncles 9-12 lin. long ; 
all the spikelets 2-24 (rarely 3) lin. long, awns 
8-10 lin. long; panicles often decompound, 
much contracted and dense, very stiff ... 
Spatheoles and mature peduncles 12-20 lin. 
long ; fertile spikelets 3 lin. long, awns 15-18 
lin. long ; panicles usually much less com- 
pound and looser at the periphery than in 43, 
H. hracteata 
Fertile spikelets 4 lin. long, their awns 18-25 lin. 
long ; pedicelled spikelets 44-5 lin. long. 
Leaves more or less hairy, up to 1 ft. by 1-14 ^ n - > 
mature peduncles about as long as the spathe- 
oles ; awns If- 2 in. long ; panicle narrow, 
but very loose at the periphery, often 
scanty 
Leaves quite glabrous and smooth, up to 2 ft. 
by f-1 lin. ; peduncles up to half as long as 
the spatheoles, awns 14 in. long ; a stiff grass 
with few and distant raceme-pairs close to the 
main axis 
A small grass with blades 4-5 in. long and f-1 lin. 
wide, very lax ; secund panicles at length long- 
exserted with more or less cirrose, very fine 
peduncles and spikelets as in 45, H. Newtonii , 
but smaller (3 lin. long) 
37. H. 'petiolata. 
38. H. confinis. 
39. H. macrarrhena. 
40. H. Welwitschii. 
41. H. gracilescens. 
42. H. comosa. 
■j <• *7 ... it t 'V'Vv 
/C- - 2 £ 'M- a'-' 
43. H. hracteata. 
44. H. Lecomtei. 
f - 1 * 
^ ... Ovt-u 
45. H. Newtonii. 
46. H. Stolzii. 
47. H. cirrosula. 
