114 XC, CONVOLVULACEE (BAKER AND RENDLE). [| Merremia. 
ginatus, Burm. f, Fl. Ind. 77, t. 30, fig.1. £. Glechoma, Welw. Apont. 
Phyto-Geogr. 589, No. 64. 
Nile Land. Nubia: Sennar, Kotschy, 63,193! Near el-Korehr, Ehrenberg ; 
Roseires, Cienkowski; Gedarif (Gadaret), Schweinfurth, 2144! near Fashoda, 
Schweinfurth, 1087! White Nile, Petherick! Nuer country, Speke &§ Grant! 
Uganda: near Lake Elmenteita, 6000 ft., Scott-Elliot, 6641! Kavirondo, Scott- 
Elliot, 7062! near Nyanza, Scott-Elliot, 7135! Kasamaga, Ruwenzori, 5309 ft., 
Scott-Elliot, 7574! 
Lower Guinea. Angola; Loanda, Gossweiler, 213! 330! in wooded places 
nearly dried up after flooding, near Quicuxe, Welwitsch, 6149! and near Imbon- 
deiro dos Lobos, Welwitsch, 6150! 
Also in Tropical Asia. 
25. M. convolvulacea, Dennst. Schliiss. Hort. Mal. 34. Per- 
ennial. Stems twining, slender, usually glabrous. Leaves cordate- 
ovate, $-14 in. long and broad, acute, membranous, usually shallowly 
om) 
y4 
palmately 3-lobed, green and glabrous on both surfaces ; petiole very 
slender, as long as the blade. Peduncles }~2 in. long; flowers solitary 
or few to many, laxly cymose; pedicelsshort; bracts minute, deciduous, 
Flower-buds shortly ellipsoid, very blunt. Calyx glabrous or sparsely 
pilose, especially at the exposed margins, 2 lin. long; sepals coriaceous, 
shortly obovate to subquadrate, with a broad retuse shortly cuspidate 
apex. Corolla yellow, subcampanulate, 4 lin. long; expanded limb 
rather broader; midpetaline areas well defined, with 5 conspicuous 
violet lines. Capsule ovoid-globose, glabrous, verrucose, barely 4 lin. in 
diam. Seeds triquetrous, obsoletely pubescent.—J/. hederacea, Hallier 
f.in Engl. Jahrb. xviii. 118, and in Ann. Istit. Bot. Roma, vii. 227; 
De Wild. & Durand in Bull. Herb. Boiss. ser. 2, i. 37. Hvolvulus 
hederaceus, Burm. f. Fl. Ind. 77, t. 30, fig. 2. Convolvulus flavus, Willd. 
Sp. Pl.i. 852. Ipomwa chryseides, Ker, Bot. Reg. t. 270; Choisy in DC. 
Prodr. ix. 382; Wight, Icon. i. t. 157 (chrysoides). I. zebrina, Perrott. 
ex Choisy in DC. Prodr. l.e.—Kudici-Valli, Rheede, Hort. Malab. viil. 
b. 27, 
Upper Guinea. Senegal, Roger, 117! Perrottet, 515; Leliévre. Sierra 
Leone: near Mofari, Scott-Elliot, 4433! Northern Nigeria: Nupe, Barter, 885! 
Nile Land. Kordofan, Pfund. Somaliland: River Ganane, Riva, 1168! 
Jur: Wau, Cummins! White Nile, Sabatier, Schweinfurth, 994! Petherick ! 
Lower Guinea. Lower Congo: Stanley Pool, Hens B, 43! Love Island, 
Biittner, 386. Kisantu, Gillet, 123, 388, 833; and without precise locality, 
Smith ! 
: —— Dist. British East Africa : Boruma, on the Zambesi, Menyharth, 
538! 
Also in the Mascarene Islands and Tropical Asia. 
20. HYALOCYSTIS, Hallier f. in Ann. Istit. Bot. Roma, vii. 227, 
and in Engl. & Prantl, Pflanzenfam. Erginzungsheft, 1. 63. 
Sepals 5, free, unequal, herbaceous, lanceolate, not accrescent. 
Corolla of medium size, campanulate, blunt and very shortly 5-lobe¢, 
the midpetaline areas not indicated. Stamens gradually dilated 
