Merremia.| XC. CONVOLVULACEH (BAKER AND RENDLE). 109 
persistent, densely hairy sepals; endocarp rigid, separating as 4 papery 
valves from the pericarp. Seeds typically 4, brown, glabrous, 24 lin. 
long.—Hiern in Cat. Afr. Pl. Welw. i. 728; Capua in Ann. Istit. Bot. 
Roma, villi. 233. Batatas pentaphylla, Choisy, in Mém. Soc. Phys. 
Genéve, vi. 436, and in DC. Prodr., ix. 339; Benth. in Hook. Niger FI. 
465. Convolvulus pentaphyllus, Linn. Sp. PI. ed. 2, 223. Lpomea 
egyptia, Linn. Sp. Pl. ed. 1, 162. J. pentaphylla, Jacq. Ie. t. 319 ; Oliver 
in Trans. Linn. Soc. xxix. 115. Spiranthera pentaphylla, Bojer, Hort. 
Maurit. 226. 
Upper Guinea. Senegal, Roger, 94! Dollinger, 8! Perrottet! Sierra 
Leone, Smeathman! Scott-Elliot, 4060! 4869! Guinea, Zsert. Togo, near Lome, 
Warnecke, 275! Lagos, Millen, 118! Rowland ! Northern Nigeria: Nupe, Barter, 
863 ! 
Nile Land. Eritrea: near Mount Yangous, 1100 ft., Schweinfurth & Riva, 
598 ! Assaorta, 3000 ft., Pappi, 3112. Barca, Terracciano & Pappi, 2730, Keren, 
Steudner, 942. Abyssinia: by the River Taccazze, 3000 ft., Schimper, 1429, 2322! 
Somaliland, Hildebrandt, 883a. Kordofan, Kotschy, 110! Pfund, 153! 521! 
Soudan: Khartoum, Schweinfurth, 799! Broun, 21! Kirreh, Schweinfurth, 465a ; 
above Khartoum, Speke]g? Grant ! 
Lower Guinea. Lower Congo: Masansa, Burton! Boma, Dewevre, 3; 
Dupuis, Wilwerth; Stanley Pool, Hens, B, 371; Moanda, Vanderyst ; Mayomhe, 
Dupuis ; and without precise locality, Smith ! Tsland of St. Thomas, Dou! Moller. 
Angola: Mossamedes ; in sandy thickets by the River Giraul, Welwitsch, 6118! 
Loango, Soyaux, 220! 
Mozamb. Dist. Portuguese Kast Africa: Kaimba Island, opposite Tete, 
Kirk! 
Widely spread in the tropics. 
16. M. multisecta, /Hallier f. in Engl. Jahrb. xviii. 115. 
Perennial, glabrous herb rich in latex, branched from the base. Stems 
several, prostrate, terete, rigid, purplish, 2-3 ft. long. Leaves fleshy, 
very stiff and brittle, reniform in general outline, 1-1} in. long, up to 
24 in. broad, cut down nearly to the base into 5 pinnatisect segments ; 
the lowest pair unequally forked, the largest secondary lobes deeply 
crenate; petiole as long as or longer than the blade. Peduncles 1~5- 
flowered, longer than the petiole and sometimes exceeding the leaves, 
12-3 in. long; pedicels subclavate, 6-8 lin. long. Flower-buds ovoid, 
more or less acuminate ; bracts minute, ovate. Sepals subcoriaceous, 
lanceolate, with a bluntly acuminate apex, barely 8 lin. long, glabrous 
or with sparsely ciliate margin. Corolla shortly funnel-shaped, about 
lin. long. Capsule globose, glabrous, 4 lin, in diam., 2-celled, cells 1- 
very rarely 2-seeded. Seeds large for the size of the capsule, pisiform 
or plano-convex, grey, glabrous.—Hiern in Cat. Afr. P]. Welw. i. 728. 
Lower Guinea. Angola: Mossamedes, Welwitsch, 6112! Banks of the 
River Croque, Johnston ! 
17. M. somalensis, Hallier f.in Ann. [stit. Bot. Roma, vii. 226. 
A much branched undershrub, 1-i} ft. high. Branchlets glabrous 
with very minutely rugulose cortex. Leaves rather fleshy, glabrous, 
linear-oblong, 6~8 lin. Jong, 1-2 lin. broad, obtuse to subacute, margin 
dentate, revolute; petiole short. Flowers solitary in the leaf-axils on 
