114 xc. convolvulace.e (baker and rendle). [Merremia. 



ginatus, Burm. f. Fl. Incl. 77, t. 30, fig. 1. E. Glechoma,We\w. Apont. 

 Phyto-Geogr. 589, No. 64. 



3XTile Land. Nubia: Sennar, Kotschy, 63, 193 ! Near el-Korehr, Ehrenberg ; 

 Roseires, CienkowsTci ; Gedarif (Gadaret), Schweinfurth, 23 44! near Fashoda, 

 Schweinfurth, 1087 ! White Nile, Petherick ! Nuer country, Speke Sf Grant ! 

 Uganda : near Lake Elmenteita, 6000 ft., Scott-Elliot, 6641 ! Kavhondo, Scott- 

 Elliot, 7062 ! near Nyanza, Scott-Elliot, 7135 ! Kasamaga, Ruwenzori, 5300 ft., 

 Scott-Elliot, 7574 ! 



Lower Guinea. Angola ; Loanda, Gossweiler, 213 ! 330 ! in wooded places 

 nearly dried up after flooding, near Quicuxe, Welioitsch, 6149 ! and near luibon- 

 deiro dos Lobos, Welioitsch, 6150 ! 



Also in Tropical Asia. 



25. M. convolvulacea, Dennst. Schlilss. Hort. Mai. 84. Per- 

 ennial. Stems twining, slender, usually glabrous. Leaves cordate- 

 ovate, A— 1A in. long and broad, acute, membranous, usually shallowly 

 palmately 3-lobed, green and glabrous on both surfaces ; petiole very 

 slender, as long as the blade. Peduncles 4^-2 in. long ; flowers solitary 

 or few to many, laxly cymose ; pedicels short ; 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 oborate 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. — M. 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. Evolvulus 

 hederaceus, Burm. f. Fl. Ind. 77, t. 30, fig. 2. Convolvidus flavus, Willd. 

 Sp. PI. i. 852. Ipomcea chryseides, Ker, Bot. Beg. t. 270 ; Choisy in DC. 

 Prodr. ix. 382 ; Wight, Icon. i. t. 157 (chrysoides). I. zehrina, Perrott. 

 ex Choisy in DC. Prodr. I.e. — Kudici-Vcdli, Ptheede, Hort. Malab. viii. 

 t. 27. 



Upper Guinea. Senegal, JRoyer, 117! Perrottet, 515; Lelievre. Sierra 

 Leone : near Mof'ari, Scott-Elliot, 4433 ! Northern Nigeria : Nupe, Barter, 885 ! 



Iffile Land. Kordofan, Pfund. Somaliland : River Ganane, Riva, 1168! 

 Jur : Wau, Cummins ! White Nile, Saoatier, Schweinfurth, 994 ! Petkerick ! 



Lower Guinea. Lower Congo : Stanley Pool, Sens B, 43 ! Love Island, 

 Piittner, 386. Kisantu, Gillet, 123, 388, 833 ; and without precise locality, 

 Smith ! 



XfeXozamb. Bist. 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. Erganzungsheft, i. 63. 



Sepals 5, free, unequal, herbaceous, lanceolate, not accrescent. 

 Corolla of medium size, campanulate, blunt and very shortly 5-lobed, 

 the midpetaline areas not indicated. Stamens gradually dilated 



