289 
Cymbopogon .] clvii. gramine^ (Stapf). 
lowermost joint and pedicel of sessile raceme short, hard, swollen 
and fused. Homogamous pair of spikelets 1 at the base of the 
sessile raceme. Fertile spikelets oblong, obtuse, 2J lin. long, 
glabrous, greenish, brown upwards ; callus very short, obtuse, minutely 
bearded. Glumes equal, chartaceous, lower subtruncate, flat on the 
back with a narrow deep groove corresponding to a keel on the inner 
side from the middle or from above it downwards ; keels winged, 
wings thin, whitish ; intracarinal nerves 2, one on each side of the 
groove, oil-streaks brown in the upper third or quarter, joining across 
the tip ; upper glume narrowly boat-shaped, acute, 1- to sub-3-nerved, 
keeled, keel ciliolate. Lower floret reduced to a very narrow hyaline 
linear-oblong obtuse nerveless subeciliate valve under 2 lin. long. 
Upper floret ^ : valve very narrowly linear, almost stipitate, 1J 
lin. long, 2-fid to one-third, subchartaceo us below, segments subulate, 
ciliate ; awn very fine, 3-7 lin. long, bent at or below* the middle, 
column twisted. Anthers f lin. long. Grain oblong, semiterete 
at the middle, 1 lin. long; scutellum about as long. Pedicelled 
spikelets lanceolate-oblong, acute or subacute, 2J lin. long ; 
glumes subchartaceous, lower olive-green to brown, obscurely 
winged, with about 7 strong intracarinal nerves, upper shorter, 
whitish, 3-nerved ; valve as in the ^ spikelet ; anthers under 
1 lin. long — Andropogon giganteus, Hochst. in Flora, 1844, 242. 
A. Schcenanthus , Hack, in Bolet. Soc. Brot. iii. 139 ; not of Linn. 
A. Schcenanthus , subspec. genuinus , Hack, in DC. Monogr. Phan. vi. 
609, partly ; Durand & Schinz, Consp. FI. Afr. v. 722, partly. Gym- 
nanthelia Martini , Aschers. & Schweinf. in Schweinf. Beitr. FI. 
Aethiop. 306. 
Upper Guinea. Senegal : Rogers ! M’Bidjem, Thierry, 93 ! Portuguese 
Guinea : Bolama, Carvalho ! Sierra Leone : without precise locality, Vogel ! Gold 
Coast : Accra Plains, Johnson , 756 ! Togo : near Lome, Warnecke, 402 ! 
Southern Nigeria : Lagos; without precise locality, MacGregor, 164 ! Northern 
Nigeria : Socoto, Dalziel, 485 ! Kontagora, Dalziel, 239 ! Cameroons : Yaunde, 
Zenker dk Staudt, 560 ! 569 ! 
North Central. Darbanda : Balidja country, Chevalier , 6680 ! Ndelle, 
Chevalier , 6832 ! Shari Territory ; Bousso, Chevalier , 10467 ! 
Nile Land. Jur : Ghazal River ; Abu Gurun’s Seriba, Schweinf urth, 
4270 ! Hellet Kaka, Schweinfurth, 1069 ! Sudan : without precise locality, 
Broun ! Cordofan ; Mount Kohn, Kotschy , 250 ! Megenas, Pfund , 242 ! 
469 ! 
Mozambique Distr. Portuguese East Africa : Morambala Mountain, Scott ! 
Senna and below Mazzaro, Kirk ! Nyasaland : between Kondowe and 
Karonga, 2000-6000 ft., Whyte ! Rhodesia: without precise locality, Mundy ! 
^ 15. C. densiflorus^ Stapf. Perennial (always ?). Culms erect, 
stout, up to 4 lin. in diam. below, up to 8- (and probably more) 
noded, simple below the false panicle, terete, smooth, sometimes 
waxy below the nodes, glabrous. Leaf-sheaths terete, tight, glabrous, 
smooth, the lowest moderately firm ; ligules very short, truncate, 
glabrous ; blades linear to linear-lanceolate from a usually wider 
PL. TROP. APR. VOL. IX. U 
