86 xc. convolvulace^e (bakeb and benble). \Jacquemontia.. 



dark green, glabrescent or more or less pilose (often ferruginously) onboth 

 surfaces, margin pilose, thin ; veins subprominent beneath ; petiole 

 shorter than the blade. Peduncle generally long, often exceeding the 

 leaves. Flowers many in a dichotomously forked cyme forming a 

 globose head, about 1 in. in diam., bracteated by reduced leaves with 

 narrowing entire base, the inner becoming smaller and more hairy 

 ultimately resembling the sepals. Calyx 2-| lin. long, shaggy with soft 

 brown hairs ; sepals subequal, lanceolate, acute. Corolla blue, fugacious, 

 twice as long as the calyx. Capsule globular, about 2 lin. in diam., 

 bright brown, glabrous ; valves 4, brittle. Seeds 4, bright brown, 

 scabridulous. — Hallier f. in Engl. Jahrb. xviii. 95 ; Hiern in Cat. Afr. 

 PI. Welw. i. 725 ; Baker & Wright in Dyer, Fl. Cap. iv. ii. 69. Ipomcea 

 capitata, Choisy in DC. Prodr. ix. 365 ; Benth. in Hook. Niger Fl. 467, 

 Oliver in Trans. Linn. Soc. xxix. 115; Durand & Schinz, Etudes FL 

 Congo, 204. /. guineensis, G. Don, I.e. 269. /. macropoda, Bojer, Hort. 

 Maur. 229. /. Convolvulus var. guineensis, Schum. & Thonn. Beskr. Guin. 

 PI. 90. Convolvulus pyenantha, Hochst. ex Choisy in DC Prodr. ix. 365. 



Upper Guinea. Liberia: Cape Palnias, Vogel, 38! Senegal, Roger! 

 Perrottet ! Gold Coast : Accra, Avsell ! Dahomey, Burton ! Togo, Kliny, 176 ; 

 Wameclce, 245 ! Northern Nigeria, Barter ! 



KTile Land. Kordofan, Kotschy, 212 ! Pfund, 17! 142! 487! Cienkowsky. 

 Moru, Petherick ! Jur, Schweinfurth, 2384 ! Madi, Speke Sf Grant ! British East 

 Africa, Thomas, 206 ! Wakefield I Whyte ! Kassner, 34 ! 



lower Guinea. Gaboon, Buttner, 387! Soyanx, 440! Lower Congo, 

 Smith ! Loango, Soyaux, 14 bis. Stanley Pool, Hens, B, 35 / Lutete, Sens, 

 A, 263! Dembo, Gilet ,• Kinchassa, Bemev.se; Bingila, Dupuis. Angola, Wel- 

 ivitsch, 6215 1 6216! 6217! 6218! Gossiveiler, 276 ! 411! Monteiro I 



Mozamb. Dist. Zanzibar, Bojer ! Hilclehranclt, 991! German East Africa : 

 Usambara ; Hoist, 2681 ! Portuguese East Africa : near Sena, Kirk ! British 

 Central Africa. : Nyasaland ; Shire Valley, Scott I Lukoma, Lake Nyasa, Belling- 

 ham ! Rhodesia ; between Bulawayo and Zambesi, Myles, 129 ! 



Also in South Africa, and the Mascarene Islands. 



Var. pauciflora, N. E. Br. — Heads of flowers smaller and less dense, 3-10- 

 flowered. 



IHozamb. Bist. Ngamiland : Kwebe Hills, 3300 ft., Lugard, 183 ! Mrs. 

 Lugard, 169 ! 



2. J. thomensis, Henriq. in Bol. Soc. Brot. x. 143. Stem slender, 

 twining, branched, pilose with refiexed hairs. Leaves lanceolate, 

 cordate or sagittate at the base, mucronate, pilose, l|-3 in. long. ; 

 petiole i-l| in. long. Clusters of flowers hairy, axillary, subsessile ; 

 peduncle 1-1| lin. long; bracts linear, rarely longer than the pedicels ; 

 pedicels i-H lin. long. Sepals linear-lanceolate, equal, 3 lin. long. 

 Corolla white, campanulate, as long as the calyx, sparsely villous 

 and densely ciliate at the lobes ; ovary densely villous ; stigma 

 orbicular, flattened. Capsule villous, equal to the calyx, 4-valved. 

 Seeds dull brown, minutely punctulate. 



Upper Guinea. Island of St. Thomas, Moller. 



