136 xc. convolvulace^; (baker and rendle). [Ipomoea. 



1. I. verticillata, Forsk. Fl. JEgy pt.- Arab. 44. Annual. Stem 

 branching from the base ; branches slender, prostrate, slightly hairy, or 

 glabrescent. Leaves cordate-ovate, obtuse, obscurely mucronate, rarely 

 obscurely trilobed, 1-2 in. long, glabrescent or obscurely pubescent on 

 both sides ; petiole slender, as long as or longer than the blade. 

 Flowers 1-2-nate, on short pedicels, lengthening in the fruit, with apair 

 of minute lanceolate bracts at the base. Calyx 2 lin. long ; sepals 

 ovate to lanceolate, shortly acuminate, with fine spreading deciduous 

 hairs. Corolla whitish, subcampanulate, a little longer than the calyx. 

 Capsule globose, glabrous, about 4 lin. in cliani. Seeds densely pubes- 

 cent. — Yahl, Symb. iii. 83 ; Hallier f. in Engl. Jahrb. xviii. 123. /. 

 geminiflora, Welw. Apont. 590 ; Rendle in Journ. Bot. 1894, 174 ; 

 Hiern in Cat. Afr. PI. Welw. i. 731. /. gnaphalosperma, Hochst. in 

 Kotschy, PI. Nub. Exsic. No. 123. I. Perrottetii, Choisy in DC. Prodr. 

 ix. 373. Convolvulus lasiosyjermus, Yis. PI. yEgypt. Nub. 13, t. 1, fig. 2. 

 /. rumicifolia, Choisy I.e. 351. ; Schweinf. Beitr. Fl. Aethiop. 96. 



Nile Land. Soudan: Sedab, Schweinfurth, 536! Burri, near Khartoum, 

 Schweinfurth, 809 ! Kordofan, Kotschy, 123 ! Sennar, Kotschy, 183 ! Cienkoicslcy . 



Eritrea: Sliohos; Togodele, Khrenberg; Dalak Islands, Ehrenberg. Abyssinia, 

 Schimper, 1325. 



Upper Guinea. Senegambia, Perrottet, Leprieur / 



lower Guinea. Angola : Loanda, near Imbondeiro dos Lobos, TFehvitsch, 

 6235 parily ! Loanda, Gossweiler, 313 ! 



2. I. eriocarpa, E. Br. Prodr. 484. Annual. Stems long, 

 slender, prostrate or high twining, pubescent. Leaves varying from 

 cordate-ovate to linear-oblong, with cordate to subhastate base, acute, 

 1^-5 in. long, ^-2h in. broad, slightly hairy on both sides chiefly on 

 the veins ; petiole 1-2 in. long. Flowers few or many in a dense 

 subsessile cluster ; bracts small, lanceolate to subulate, persistent ; 

 pedicels sometimes as long as the calyx. Sepals very hairy, 2-3 lin. 

 long, ovate, acuminate, with spreading tips. Corolla 3-4 lin. long, 

 campanulate ; white with a purple eye or sometimes rose or purple ; 

 midpetaline areas pubescent. Capsule globose, hairy, 2-celled, 4-seeded, 

 |- in. in diam. Seeds glabrous, finely punctate. — Choisy in DC. Prodr. 

 ix. 369; Vatke in Linnsea, xliii. 513; Hiern in Cat. Afr. PL Welw. 

 i. 732. 7. hispida, Poem. & Schult. Syst. iv. 238 ; Hallier f. in. Engl. 

 Jahrb. xviii. 123 ; and in Bull. Soc. Bot. Belg. xxxvii. 92 ; Dammer in 

 Engl. Pfl. Ost-Afr. C. 331 ; De Wild. & Dur. Eeliq. Dewevr. 165. I. 

 ligulata, Boj. Hort. Maur. 229. /. sessilijiora, Both, Nov. PI. Sp. 116 ; 

 Choisy in DC. Prodr. ix. 366. /. Rogeri, Choisy, I.e. 381. I. tremato- 

 sperma, Hochst. ex Choisy, I.e. 367. Convolvtdus hispidus, Yahl, Symb. 

 Bot. iii. 29. 



Upper Guinea. Senegambia, Roger, 116 ! Perrottet, 519 ! 520! Leprieur! 

 Gambia, Ingram! Sierra Leone: Hart! Scott-Mliot, 5186! Togo, Kling, 174; 

 Buttner, 335 ; Wumecke, 253 ! Dahomey, Burton ! Lagos, Rowland ! Milieu, 

 139 ! 167! Northern Nigeria : Nupe, Barter, 1027 ! 



Nile Land. Kordofan, Kotschy, 33 ! 289! Sennar, Kotschy, 146! 151! 

 Gallabat: Matamma, Schweinfurth, 721! 2142! Abyssinia: Schimper, 198! 



