247 
Andropogon.] clvii. gramineje (Stapf). 
view, 2|-3|- lin. long, glabrous, yellowish to olive-green, often dull 
purplish upwards ; callus J lin. long, obtuse, shortly bearded. Glumes 
equal, the lower thinly coriaceous with a deep narrow hyaline groove 
or fold between the keels which are obtuse and smooth below and 
more or less scaberulous above the middle, tips obscurely 2-toothed, 
nerves none besides the keels ; upper glume subcoriaceous, rounded 
on the back up to beyond the middle, then tightly compressed and 
keeled, truncate, mucronulate, 1-nerved, hyaline, margins very 
narrow, ciliate. Lower floret reduced to a narrow oblong subobtuse 
2-nerved hyaline valve about 2 lin. long. Upper floret ^ • valve 
narrow-oblong, 2-fid almost to the middle, 2 lin. long ; lobes acute, 
eciliate ; awn slender, 1-1 -J in. long, column bent at the middle, 
obscurely scaberulous, light brown, bristle yellowish, as long as the 
column; valvule ovate-oblong, obtuse, 1| lin. long, nerveless. 
Anthers If lin. long. Pedicelled spikelets $ , oblong, dorsally 
much compressed, 3-5 lin. long, £-1 lin. broad, usually reddish or 
purplish-brown ; lower glume subherbaceous, acute or acuminate, 
glabrous, intracarinal nerves up to 13 or 15, very close, keels 
rigidly ciliolate, inflexed margins very narrow ; upper glume mem- 
branous, very acute, 3-nerved, ciliolate ; valves of both florets 
hyaline, ciliolate, of the lower 2-nerved and acute, of the upper 
1-nerved, emarginate ; valvule linear, over 1 lin. long. Anthers 
2 lin. long. — Steud. Syn. PI. Glum. i. 371 ; Hack, in DC. Monogr. 
Phan. vi. 452 ; Durand & Schinz, Consp. El. Afr. 722 ; K. Schum. in 
Engl. Pfl. Ost-Afr. C. 98 ; Rendle in Cat. Afr. PI. Welw. ii. 148, and 
in Journ. Linn. Soc. Bot. xl. 225 ; Pobeguin, Ess. FI. Guin. Fran?. 
216 ; Eyles in Trans. Boy. Soc. S. Afr. v. (1916) 297. A. congoensis, 
Franch. in Bull. Soc. Hist. Nat. Autun, viii. (1895) 325 (reprint 17). 
Upper Guinea. Sierra Leone : Mamaha, Thomas, 4342 ! French Guinea : 
Futa Jallon ; betv/een Soumbalako and Boulivel, Chevalier, 18645 ! Kou- 
roussa, Pobeguin, 503, 509 ! Timbo, Pobeguin, 1780 ! Lagos, MacGregor, 153 ! 
Northern Nigeria : Lokoja ; Mount Patti, Dalziel, 290 ! Jeba, Barter ! Abinsi, 
abundant in the bush, Dalziel, 906 ! 
North Central. Oubangui territory : Bagao Country, Chevalier, 5601 ! 
Nile Land. Gallabat : Chor Utrub, Schweinfurth, 1039 ! Abyssinia : 
Gafta, Schimper ; and without precise locality, Schimper, 1807. Soudan : 
Jur ; Ghattas’ Great Seriba, Schweinfurth, 2336 ! British East Africa : Nai- 
robi, Dowson, 237 ! 
Lower Guinea. French Congo : Osika, Brazza, 232 ! Belgian Congo : 
Kisantu, Gillet, 626 ! 627 ! 
Mozambique Distr. German East Africa : Usambara ; Buga, Holst, 3214 ! 
Nyasaland : Nyika Plateau, McClounie, 21 ! Shire Highlands, Buchanan, 53 ! 
Rhodesia: Inyanza District, Mundy ! Gazaland: Chirinda, Swynnerton, 1624 ! 
V Var. angustifolius, Stapf in Dyer, FI. Cap. vii. 340. Leaves 1-2 lin. wide, 
those of the innovations convolute, filiform. — Wood, Natal PI. t. 115. A. 
amplectens, var. natalensis. Hack, in Mem. Herb. Boiss. no. 20, 9. 
Lower Guinea. Angola : Benguella ; country of the Ganguellas and Ambo- 
ellas, Gossweiler, 2780 ! 3776 a ! 
The variety also occurs in South Africa, from the Transvaal to Natal. 
Here probably also belongs a form from the Cameroons with very long and 
narrow leaves, Preuss, 821 ! 
