Mariscus.] clvi. cyperace^ (clarke). 399 



Upper Guinea. Gold Coast : Axiin, de Ourig, 37 ! 



This differs mainly from M. flahelliformis by hiving more nuts (7) to the 

 spikelet, and therefore longer spikelets ; the spikes are not broader owing to the 

 spikelets being obliquely erect. The rhizome and broader nut are additional 

 differences. 



48. M. trinervis, C. B. Clarke i7i Dtirand it- Schinz, Consjoect. 

 Fl. Afr. V. 595. Glabrous. Neither stem nor leaves seen. Umbel-rays 

 7, up to 2 J in. long, each carrying 3-6 closely subcorymbose spikes ; 

 bracts 6, lowest, 11 by Jin,, flat, rigid, scabrous on the margins, with 

 numerous striations and 2 stronger lateral nerves. Spikes i by 'I in., of 

 20 spikelets spreading at right angles, pale brown. Spikelets linear, 

 hardly at all compressed, maturing 8 nuts, falling ofT in one piece above 

 the two lowest empty glumes. Nut-beariag glumes subremote, ovate, 

 at the top obtusely triangular, obliquely suberect, almost nerveless on 

 the sides. Nut J the length of the glume, narrowly obovoid, brown, 

 truncate at the top. Style hardly any; branches 3, linear, hardly 

 exserted. 



South Central. Lunda : Mukenge, Pogge, 1582 ! 



49. M. foliosus, C. B. Clarke in Durand & Schinz, Conspect. Fl. 

 Afr. V. 588. Glabrous. Rhizome 1-lJ in. long, horizontal. Stems 

 1-2 ft. long, at the top trigonous and smooth. Leaves longer than the 

 stem, i-J in. broad, scabrous at the tips. Umbel compound ; rays 

 10-12^ up to 4 in. long; bracts 6-9, similar to the leaves, lowest 8 in. 

 long. Spikes 3-1 together, as long as broad, rather loosely spicate, of 

 20 spikelets, spreading at right angles or deflexed, dull green. Spikelets 

 J by ^ in., subterete, maturing 3-5 nuts, disarticulating in one piece 

 above the two lowest empty glumes. Glumes very remote, ovate- 

 lanceolate, somewhat keeled, erect-adpressed on the nut. Nut more 

 than J the length of the glumes, narrowly oblong, trigonous, black ; style 

 3-branched. — Cyi)erusfoliosus,'K.^ch.\xm.\n'E,n.g\. Pfl. Ost-Afr. C. 122. 



arile Xiand. British East Africa : Kivata, in Ruwvnzori district, 9000 ft., 

 Scott-Elliot, 7674 i Rabai Hills, near Mombasa, Taylor ! 



Mozamb. Blst. British Centrd Africa : Nyasiland; Mount Zomba, 4000- 

 6000 ft., W/iyte ! Nyika Plateaa, 6000-7000 ft., Whyte ! 



This is near M. flahelliformis, but has broader leaves, and usually lon<Ter 

 spikelets. 



50. M. luriduSy G. B. Clarke in Durand dh Schinz, Conspect. Fl. 

 Afr. V. 589. Leaves and bracts |^-i- in. broad. Umbel-rays hardly up 

 to 1 in. long. Spikelets lurid-green, f by ^^in., mxturing 5-8 nuts; 

 rhachilla wavy. Nut-bearing glumes very remote, oblong, obtuse ; 

 otherwise as M. foliosus or M. flahelliformis. — Durand & De Wild, in 

 Comptes-rendus Soc. bot. Belg. xxxvi. 89 ; Durand & Schinz, ;fitudes 

 Fl. Congo, i. 296. 



Soutb Central. Coag<) Free State: |by the River Congo at Lulonga, 900- 

 1000 ft.. Hens, C. 155 ! 



