Digitaria. ] GRAMINE® (Stapf). 
Racemes never contiguous, except in a very 
young state, quite simple : 
Perennial : 
Culms rather stout, 14-3 ft. long ; lowest 
sheaths tomentose + oo ery base; 
des 4-1 ft. by 1-2 
Culms ea slender, ik io ng; ‘sheaths 
iin abrous ; blades  tetaceous, = to 2-6 in, 
spikelets i lin. long ; pedicels angular, 
Pedicels short y hairy near the tips; 
pikelets p Mors silky with clavate 
nas in very slender long rac 
aso Fecha us; hairs of wplkalabe 
per, “glume long acuminate, con 
ously exceeding the upper 
Upper glume shorter than the upper 
alve: 
Spikelets #-1 lin. long, a oblong ; 
; lower 
valve very gegen on 
Spikelets 1-1} lin. long, oblong; 
glume Tix ag Ere 
ant inner lateral nerv of the 
pre — —— distant from 
e mi 
Spikelets Bar lin, allie terete, 
ace — Fn racemes exX- 
mely slender se 
td Spike ate ‘ght upper g 
-3-nerved ; lower valve 7- tic 
Section 2. Serariopsis (Stapf). Racemes simple, 
sev many on a ong. ew rhachis, setose ; 
ikelets surrounded by stiff hairs — Fen tip of 
€ pedicel ; lower ines: 0, = or 0; 
lower valve 3-nerved or almost nerv sis ‘ 
Section 3. i apps (Stapf). Racemes usually 
rather und near the base, and 
whorled on a Jong common axis, sor rp subdigitate 
trichole 
(D. noides) or truly ed (D. )s 
spikelets 14-24 oy long, doasely silky, villous with 
often purplish hairs conniving i brush- 
like point. 
see ~ in or —— subdigitate; spikelets 
cemes peduncled in ‘a » scantily branched ‘Panicle 
spikelets 14-2 lin. long 
tion shoots int th de edie er, sare 1- iy ft ‘tt 
ravagi ce ms very < 
simple ; leaves ero 
t, glabrous or a hairy, the lower tom, 
; sheaths v 
persistent, at deo sometimes breaking u 
(3) eriantha. 
(4) setifolia, 
(5) ternata. 
(6) debilis. 
(7) horizontalis. 
(8) sanguinalis, 
. (10) tenuiflora. 
373 
(9) diversinervis. 
.. (11) diagonalis, 
(12) tricholenoides. 
’ (13) flaccida. 
’ 
to fibres ; ligules very 
