176 XC. CONVOLVULACEE (BAKER AND RENDLE). | [pomeea. 
Stuhlmann; Unyamwezi ; Mininga, Speke §- Grant, 173! between Lake Tanganyika 
and Lake Rukwa, 5000 ft., Nutt / Karema, on Lake Tanganyika, Storms. Portuguese 
East Africa: Mozambique, Peters; Zambesi Delta; Mazaro, Kirk! British 
Central Africa: Urungu: Fwambo, 5200 ft., Nutt! Nyasaland, Wedd! 
Var. cannabina, Hallier f.in Engl. Jahrb. xxviii. 37. Leaves palmatisect, with 
five linear obtuse mucronate lobes, mid lobe longer and broader than the rest, 
reaching 3 in, in length by 3-6 lin. in breadth. 
Mozamb. Dist. Zauzibar, Stuhlmann, 99. 
Widely cultivated in Tropical Africa, as it is in the other tropical and subtropical 
regions of both hemispheres. Its original native country is not clearly ascertained. 
95. I. leucantha, Webb in Hook. Niger Fl. 152, not of Jacq. Stems 
slender, wide-climbing, glabrous. Leaves small, distinctly petioled. 
cordate-ovate, acute, sometimes shallowly palmately 3-lobed, glabrous. 
Cymes shortly peduncled, 2—3-flowered; bracts minute; pedicels as 
long as the calyx, thickened. Sepals ovate-oblong, shortly acute, 
glabrescent, 3 lin. long. Corolla white, openly funnel-shaped, 9 ln. 
long.—Hallier f. in Eng]. Jahrb. xviii. 138. 
Upper Guinea. Senegambia, Heudelot, 734 ! 
Also in the Cape Verde Islands. 
Doubtfully distinct from the Tropical American Z, friloba, Linn. 
96. I. dissecta, Willd. Phytogr. 5, t. 2, fig. 3; Sp. Pl. i. 880. 
Annual. Stems very slender, trailing, glabrous, Leaves digitate, 
glabrous, 1-1$ in. in diam., with five deeply pinnatifid to pinnatisect 
segments; petiole generally short, rarely nearly as long as the leaf. 
Peduncles shorter than the leaves, 1—3-flowered ; pedicels short ; bracts 
minute, lanceolate. Sepals thinly coriaceous, subequal, oblong t 
elliptic, minutely cuspidate, glabrous, often verruculose on the back, 
2 lin. long. Corolla white, regularly funnel-shaped, 6 lin. long  Cap- 
sule globose, glabrous, 3-celled, 3 lin. in diam. Seeds 6, dirty brow?, 
thinly pubescent.—Choisy in DC. Prodr. ix. 363, excl. syn. ; Hiern in Cat. 
Afr. Pl. Welw. i. 739. J. coptica, Roem. & Schultes, Syst. Veg. iv. 208 
as to syn. Linn., &c., not of Roth; Choisy, l.c. 384; Hallier f. in Engl. 
Jahrb. xviii. 147, and xxviii. 45. 7. multisecta, Welw. Apont. Phyto- 
geogr. 589, no. 75. Convolvulus copticus, Linn. Mant. 559. C. Thon- 
ningit, Schumach. & Thonn. Beskr. Guin. Pl. 98. 
Upper Guinea. Senegal, Perrottet! Leprieur, Roger! Heudelot, 270! 
Gold Coast: Accra, Buchner ; Cape Coast Castle, Brass! Brown, 305! Krause, 
77, Isert, 3746. Guinea, Thonning. Togo: near Lome, Warnecke, 284! Northern 
Nigeria ; Bornu, Vogel ! 
Nile Land. Kordofan, Figaré, Kotschy, 58! 95! Pfund, 70! Cienkowsky ! 
British East Africa : Marnessa, Hildebrandt, 2368; near Maji Chumvi, 500 ft-. 
vissner, 464! 
Lower Guinea. Angola: Loanda, Welwitsch, 6253! Gossweiler, 784! 
Pungo Andongo; near Sansamanda, Welwitsch, 6170! German South-west Africa = 
Amboland ; Olukonda, Rautanen, 1! Ondonga, Rautanen, 178. 
Mozamb. Dist. Portuguese East Africa: Sena, Kirk! Peters. British 
Central Africa: Boruma, on the Zambesi, Menyharth, 1074! Nyasaland; Shire 
Highlands, Buchanan, 1029! 1106! Ngamiland; Kwebe Hills, 3300 ft., Mrs- 
Lugard, 140! 
