366 GRAMINE® (Stapf). [ Andropogon. 
ciliate ; anthers 2 lin. long. A. anthesterioides, Rupr. ex Galeotti in 
Bull. Ac. Brux, ix. 245, not Hochst. A. macrolepis, Hack. l.c. 646, 
and Durand & Schinz, Consp. ee Afr. v.717, in part. Hyparrhenia 
see Fourn, Pl. Mex 
Katanarl Reeion: Transvaal; Dorum (Doorn?) River, Cave Mountains, 
N oy 10*! Pretoria, at Wonde rboom Poort, Rehmann, 4488! 
Also in tropical Africa, Madagascar and Mexico. 
Enorgaie sa Herb. Boiss. iv. App. iii. 11) ae ig macrolepis ali the 
A. macrolepis, as ais lly descri eh by ckel, is, how an 
ba ar aes longer spikelets and a dages, know onl from i sland 
Central Africa ; Barter 1s plant re re Hackel tod. pthc is A, Rupre 
so are all other specimens of this little group which I have seen pis 
an 
tropical Africa 
XI. ANTHISTIRIA, Linn. f. 
Spikelets heteromorphous, 2-nate, clustered on the articulate fragile 
rhachis of short solitary racemes, subtended by proper spathes an 
crowded i in vaseted fascicles ; lowest 2 pairs 0 of each raeeme closely 
approximate, ¢ or barren, ‘awnless, sessile or subsessile, usually 
persistent, forming a spurious tetramerous whorl op ~ 
1-3 pairs, each of which consists of a sessile ¢ and 
pedicelled ¢ hale, the latter very much resembling those of his 
involucre. Florets 2, the lower reduced to an empty valve, the upper 
$ in the sessile upper spikelets, ¢ in the involucral and pedicelled 
spikelets or these more or less reduced and barren. ¢ spikelets: 
Glumes equal or subequal, lower usually coriaceous, at length 
hyaline base a gna 0 awn, very rarely linear and awnless. 
Pale obsolete or 0. Lo 2, cuneate, glabrous. Stamens 3 
Stigmas iaterslly or econ exserted. Grain linear-obovate, 
biconvex, with 2 grooves on the anterior side. Jnvolucral and 
TT spikelets Glumes equal or subequal, lower herbaceous, 
dorsally flattened, 2-keeled, many-nerved, upper membranous, lanceo- 
late, acute, 3-nerved, ea ciliate. Lower valve hyaline 1-nerve d 
or like the upper suppre 
Usually perennial, tall, stout; blades long, narrow; i —— one- 
half or more of the culm; spathes cymbiform, keeled, many-ner 
Species about 10, in the tropical and subtropieal regions of the old World. 
Perennial ; involucral spikelets 4-6 lin. long; their lower 
glume glabrous or beset in the — eit with short A 
tubercle- based hairs .. (1) imberbis. 
Annual; involucral spikelets 3-3k lin long ; their lower 
glume beset along the | rani flexares with lane bristles 
springing from coarse tubere .. (2) ciliata. 
imberbis (Retz, Obs. iii. ee adie au sation 
innovation shoots intravaginal ; culms erect or geniculate an 
