520 
CL VII. GRA.MINE7E (Stapf). 
[Brachiaria. 
less terete upwards, simple or more or less branched in the lower 
part, internodes glabrous, rarely with some tubercle-based hairs 
below the nodes. Leaf -sheaths somewhat loose, the lower often 
slipping off the stem and only moderately firm, the upper herbaceous, 
all glabrous except at the sometimes ciliate margins, rarely the basal 
finely hirsute ; ligules a ciliolate rim ; blades linear from an equally 
wide base, long-tapering to an acute point, 3-4 in. by 2-2 J lin., 
flat, bright green, glabrous or ciliate particularly towards the base, 
margins obscurely cartilaginous, smooth or scabrid upwards, midrib 
like the primary lateral nerves very slender. Inflorescence erect, 
secund, of few to 8 almost equally distant oblique straight or arching 
dense secund spike-like racemes ; common axis up to 4 in. long, very 
slender, semiterete or subtriquetrous, glabrous. Eacemes mostly 
1-seriate by the dovetailing of the ranks, from over 1-J in. long, 
simple, fulvous or greenish ; rhachis flat, up to lin. wide, often dull 
purplish with a slender prominent zig-zag midrib, finely pubescent on 
both sides, ciliate along the margins, cilia very fine, fulvous, up to 1 
lin. long ; internodes up to J lin. long ; pedicels extremely short, with 
some long yellowish hairs below the more or less discoid tips. Spike- 
lets contiguous or imbricate, 1J-1J lin. long, more or less hairy. 
Glumes membranous ; lower broad-elliptic, very obtuse or subemargi- 
nate, glabrous, 7-11-nerved, two-thirds to three-quarters the length 
of the spikelet ; upper glume corresponding in outline and size to 
the spikelet, finely hairy upwards, 5-nerved with few distant cross- 
veins from low down. Lower floret as long as the spikelet ; 
valve similar to the upper glume but hairy on the sides only, with 
the lateral nerves submarginal, the cross-veins confined to the tip. 
Upper floret as in B. falcifem if not slightly smaller. 
Nile Land. Uganda : Mabira forest, TJssher, 3 ! Kipayo, 4000 ft., Dummer, 
677 ! Tugalambo, Dummer, 3915 ! 
Lower Guinea. Belgian Congo: Stanley Pool District; between Dembo 
and Kisantu, Gillet, 1578 ! x 
/ YVUM)) 
11. B. stigmatisat& K Stapf. Annual, over 2 ft. high. Culms 
tufted or almost solitary, ascending from a sometimes decumbent and 
rooting base, geniculate below, branched or almost simple, 5-many- 
noded, compressed below, glabrous and smooth. Leaves glabrous, 
apart from the ciliate sheath-margins ; sheath rather loose, striate, 
the lower more or less compressed and keeled, the uppermost very 
long ; ligules reduced to a narrow minutely ciliolate membranous 
rim ; blades linear to linear-lanceolate from a more or less rounded 
or shortly narrowed base, tapering to an acute point, from 1 to over 
7 in. by 3-6 lin., somewhat rigid though thin, smooth except on 
the cartilaginous crisped or crenulate or almost straight and always 
minutely spinulous margins ; nerves numerous, very fine, the primary 
lateral usually rather obscure, about 4 on each side, midrib very 
slender. Inflorescence of 3-1 (sometimes 5, Mez) oblique or suberect 
secund spike-like racemes, common axis f— 2 in. long, sometimes 
