Merremia.\ xc. coxvolvulace-e (bakek, and bendle). 105 



campanulate with very obtuse lobes, white, 2 in. long. Anthers 

 finally spirally twisted. Fruit and seeds unknown. — Hallier f. in 

 Jahrb. Hamb. Wiss. Anst. xv. 41. Ipomcea bipinnatipartita, Engl. 

 Jahrb. x. 24G. 



Lower Guinea. German South-west Africa : near Usakos, 2000-2600 ft., 

 Marloth, 1289 ! near Otymbingue, Fischer, 101 ; and without precise locality, 

 Luderitz, 113. 



7. M. pterygocaulos, Hallier f. in Engl. Jahrb. xvi. 552 and 

 xviii. 113. Perennial, glabrous, the whole plant often reddish. 

 Stem twining, distinctly winged. Leaves 2-4 in. long and broad, more 

 or less deeply cordate, palmately 3-lobed to the middle or more deeply ; 

 median segment ovate more rarely lanceolate, with acute to aristiform 

 apex; lateral segments similar but often unequally bilobed in very 

 varying degree ; petiole narrowly winged, shorter than the blade. 

 Peduncles winged, generally 2-4 in. long, rarely less than 1 in. ; 

 cymes few- to many-llowered, rarely 1 -flowered ; bracts small, subulate ; 

 pedicels clavate, h-l in. long. Buds ellipsoid to ovoicl, blunt, densely 

 strigose. Sepals" about 4 lin. long, broadly elliptic to orbicular, 

 coriaceous with thin pellucid margin, much imbricated, sometimes 

 minutely cuspidate. Corolla campanulate, 1-J— If in. long, white or 

 cream with purple throat, sometimes sulphur-yellow ; midpetaline areas 

 badly defined, shortly strigose above. Capsule globose, glabrous, barely 

 6 lin. in diam. Seeds about the size of a pea, grey to blackish, glabrous 

 or shortly strigose on the angles. — Hallier f. in Bull. Soc. Roy. Bot. 

 Belg. xxxvii. 90, and in Engl. Jahrb. xxx. 386 ; Dammer in Engl. Pfl. 

 Ost-Afr. C. 330; Hiern in Cat. Afr. PI. Welw. i. 727, with var. 

 chrysantha (flowers sulphur-yellow or whitish-yellow) ; De Wild. Etudes 

 Fl. Katanga, 116. Ipomcea pterygocaulos, Choisy in DC. Prodr. ix. 381 ; 

 A. Rich. Tent. Fl. Abyss, ii. 71. /. jxtersiana, Klotzsch in Peters, 

 Reise Mossamb. Bot. 239, t. 38. Convolvulus pterygocaulos, Steud. in 

 Schimp. PI. Abj^ss. ii. no. 630. 



Upper Guinea. Sierra Leone : Kukuna, Scott-Elliot, 4507 Southern 

 Nigeria ; Abokom-Ikura, Holland, 256 ! Cameroons : Yaunde, Zenker Sf Staudt, 

 630 ! Fernando Po, Buchholz. 



Nile land. Abyssinia: near Mai Dogale, Schimper, 630 ! mouth of the 

 Bahr el Arab, Schweivfurth, 1188 ! Nile banks north of Gondokoro, Speke <$• 

 Grant J Uganda, Stuhlmann, 1361, Scott-Mliot, 7242 ! Whyte ! 



lower Guinea. Lower Congo : Stanley Pool, Hens, B, 336 ! Lemba, 

 Dewh-re, 365, 10028; Kisantu, Gillet, 336 partly, 912. Boma and Bingila, 

 Dupuis ; and without precise locality, Smith! Angola: Golungo Alto, Welwitsch, 

 6143 ! 6164 ! 6155 1 Malange, Gossiveiler, 1106 ! 



South Central. Congo Free State : Lomami River, Pogge, 1212. Katanga, 

 Lukof u, Verdick, 586 ; Kasai Valley, Descamps. 



Mozamb. Dist. German East Africa : Kondeland, Goetze, 1338. Portuguese 

 East Africa : Zambesi delta, Kirk ! Gazaland, Wood, 5763 ! East of Lake 

 Nyasa, Johnson, 131. British Central Africa : Boruma, on the Zambesi, Menyharth, 

 1081 ! Nyasuland ; Tanganyika Plateau, Whyte ! Shire Valley, Waller ! and with- 

 out precise locality, Buchanan, 959 ! 1034 ! Rhodesia, near Victoria Falls, Allen, 39 ! 



Also in Madagascar. 



