112 xc. convolvulace^e (baker and rendle). [Merremia. 



Welw. i. 729; Henriq. in Bull. Soc. Bot. Brot. xvi. 68; Hallier f. in Bull. 

 Soc. Bot. Belg. xxxvii. 91. M. hastata, Hallier f. in Engl. Jahrb. I.e. as to 

 the African specimens ; Dammer in Engl. Pfl. Ost-Afr. 0. 330. Ipomcea 

 angustifolia, Jacq. Ic. Bar. t. 317. I. Jilicaulis, Olioisy in DC. Proclr. ix. 

 353, partly, not of Bl. ; Benth. in Hook. Niger Fl. 466 ; Klotsch in 

 Peters, Reise. Mossamb. Bot. 239. /. convolvuloides, Schinz in 

 Verhandl. Bot. Ver. Branclenb. xxx. 273. 



Upper Guinea. Senegal : Perottet, 503 ! Gambia, SJcues ! Sierra Leone ; 

 near Mahela, 'Elliot, 4052 ! Whydah, Don ! Liberia : Cape Palmas, Tog el, 55 ! 

 Gold Coast : Accra, Don ! Vogel ! Brown, 350 ! Cape Coast, Brass ! Prampram, 

 Krause. Togo, Lome, WamecJce, 35 ! Lagos : Lokuja and Abeokuta, Migeod .' 

 and without precise locality, Mi/len ! Macgregor, 375 ! 379 ! Northern Nigeria ; 

 Nupe, Barter, 1266 ! Quorra (Niger) River, Vogel, 112 ! 



Nile Land. Kordofan, Kohn Mountains, Kotschy, 251 ! Jur : Jur Ghattas, 

 Schweinfurth, 1869 ! Abyssinia, S chimp er, 1195. Uganda, Scott-Mliot, 7217 ! 



X,ower Guinea. Island of St. Thomas, Don ! Mann, 1103 ! Loango, 

 Soijaux. Lower Con°;o region ; various localities', Smith ! Burton ! Deioevre, 37 ; 

 Naumann, Dupuis, Phillips, Cobra, Descamps, Qillet, 724, 1087 ; Btitaye, Sens, 

 A 16, Vimderyst. Angola : Loanda, Welwitsch, 6246 ! 6247 ! Gossweiler, 214 ! 

 Ambaca, Welwitsch, 6203! Huilla, Welwitsch, 6122! Ambriz, Monteiro ! 

 Havungu River, Baum, 479 ! Amboland, Schinz. 



South Central. East Angola : between Luachim River and Quibumbo, 

 Marques, 311. Nindi River Plateau, 3000-4000 ft., Serpa Pinto. Congo Free 

 State : Upper Marungu, Debeerst. 



Mozamb. Bist. German East Africa : near the Umba River, Thomson, 14 ! 

 Kcissner, 71 ! Kilimanjaro, Smith ! north of Lake Nyasa, Thomson ! Bonda, 

 Bohm. Portuguese East Africa : coast of Lake Nyasa, Johnson, 14 ! Rios de 

 Sena Peters ; Sena, Kirk ! Zambesi Delta ; Kongoni River, KvrJc ! Vicente, 

 Scott! British Central Africa: Boruma, on the Zambesi, Menyharth, 1077! 

 Nyasaland, Buchanan, 1420 ! Whyte ! Rhodesia ; Bulawayo, Rand, 130 ! Ngami- 

 land ; Botletle Valley, Lugard, 207 ! Kwebe Hills, Mrs. Lugard, 133 ! 



Var. alatipes, Rendle. Glabrous or upper leaf -face obscurely pilose. Stem 

 faintly winged. Leaves narrowly linear to narrowly linear-lanceolate, obtuse to 

 acute, mucronulate, base auricled ; lobes descending, acute, sometimes obscurely 

 denticulate. Pedicels narrowly winged. Outer sepals obtuse, mucronate, with 

 conspicuously crisped margin, 2i-3 lin. long, the inner Si lin. long. — M. alatipes, 

 Dammer in Engl. Pfl. Ost-Afr. C. 330 incl. form angustifolia. 



Tffile Xiand. British East Africa : between Mombasa and Lamu, Whyte. 

 Nyika Country, Wakefield ! 



Mozainb. Sist. German East Africa : near Bote, Umba River, Kcissner, 96 ! 

 Amboni, Hoist, 2828. Portuguese East Africa : Lower Zambesi, Carvalho. 



The larger outer sepals suggest M. medium (Aniseia medium, Choisy), but the 

 difference from the inner sepals is less exaggerated, they are not cordate, and do not 

 become greatly enlarged in fruit. 



Var. pubescens, Rendle. Pubescent. Leaves linear-oblong, very obtuse, mucro- 

 nulate, base with conspicuously dentate auricles; 1\ in. long by 4 lin. broad. 

 Peduncles single-flowered, slightly exceeding the leaves. Sepals oblong, puberulous, 

 shortly acute, subequal, 3 lin. long. Corolla 8 lin. long. 



lffile Siand. British East Africa : Mombasa, Scott! 



Mozamb. Eist. Zambesi, Webb ! between Vicente and the Quagua, Scott ! 



