422 
CL VII. GRAMINEA3 (Stapf). 
[Themeda 
narrow wing ; upper glume 3-nerved ; valves oblong, subobtuse, 
1 -nerved to nerveless, more or less reduced ; anthers often rudi- 
mentary or 0. Pedicelled spikelets linear-subulate with a fine point, 
glabrous, neuter ; lower glume manv-nerved, upper shorter, 3- 
nerved, ciliolate ; valves 0. — T. ciliata , Hack, in DC. Monogr. Phan, 
vi. 664 ; De Wild. & Durand, Pel. Dewevr. 255. AntJiistiria , Linn, 
f. Diss. Nov. Gram. Gen. 38, t. 1, and in Amoen. Acad. (ed. Schreb.), 
x. Diss. Bot. 38, 1. 1. A. ciliata, Linn. f. Suppl. 113 WGsertn. Fruct. 
ii. 465, t. 175 ; Lam. Illustr. t. 841, fig. 1 ; Beauv. Agrost. t. 23, f. 7; 
Kuntb, Enum. i. 481 ; Steud. Syn. PI. Glum. i. 401 ; Baker, FI. 
Maurit. 448 ; Balf. f. Bot. Socotra, 317 (partly) ; Hook. f. FI. Brit. 
India, vii. 213; Stapf in Dyer, FI. Cap. vii. 368. A. sca,ndem , 
Roxb. FI. Ind. ed. Carey, i. 248 ; Nees, FI. Afr. Austr. 125 : Duthie, 
Fodd. Gr. N. W. India, t. 61. A. semiberbis , Nees, l.e. 
Nile Land. Socotra, Balfour , 239 ! 
Lower Guinea. Belgian Congo : Boma District ; Shinganga, Dewevr e. 
A native of India ; introduced elsewhere. Used for fodder in India. 
52. DIGITARIA, Hall. 
Spikelets lanceolate to elliptic-oblong, flat or more or less concave 
in front, convex on the back, falling entire from the pedicels, usually 
2-3- (more rarely 4-6-)nate, secund and abaxial (see explanation 
below) on the triquetrous or flat rhachis of slender to very slender 
spiciform racemes ; lower floret barren, reduced to the valve and 
a very minute rudimentary valvule, accompanied by equally minute 
lodicules ; upper floret usually equal or subequal to the lower, 
Glumes very dissimilar, the lower a minute membranous scale or 
a very delicate readily disintegrating hyaline membrane, or some- 
times quite suppressed, upper membranous, sometimes very thin, 
as long as the fertile floret to whose back it is appressed, or shorter 
to very short, 5- or more often 3-nerved, very rarely 1-nerved or 
almost nerveless, or 0. Barren floret : valve sometimes resembling 
the upper glume, but generally larger and determining the outline 
and size of the spikelet, 7-5-nerved ; very rarely 3-nerved or reduced 
to a small scale, nerves parallel, prominent if not obscured by hairs. 
Fertile floret : valve chartaceous to subchartaceous with thin 
hyaline margins, faintly 3-nerved ; valvule equal or subequal to 
the valve, embraced by it all along, finely 2-nerved, of the same 
texture. Lodicules 2, minute, broadly cuneate. Stamens 3. 
Styles distinct ; stigmas laterally exserted near the top of the floret. 
Grain tightly enclosed by the slightly hardened valve and pale, 
oblong, dorsally more or less compressed, plano-convex in cross- 
section with rounded sides ; hilum subbasal, punctiform ; embryo 
usually less than half the length of the grain. — Perennial or annual, 
very rarely suffrutescent ; blades linear to linear-lanceolate, usually 
flat and often more or less flaccid ; ligules membranous ; racemes 
