1^0 XC: CONVOLVULACEiE (BAKER AND RENDLE). [Ipomwa. 



Hiern in Cat. Afr. PL Welw. i. 741 ; Hallier f. in Engl. Jahrb. 

 xxviii. 45. 



lower Guinea. Angola : Pungo Andongo ; near Catete, Welivitsch, 6230 ! 

 Malange, Mechow, 565b. 



83. I. hellebarda, Schweinf. Pl.Gallab. Exsicc. 2176. Perennial, 

 from a cylindrical soft-woody tuberous root, generally glabrous. Stems 

 slender, herbaceous, twining, glabrous or with soft spreading hairs. 

 Leaves entire, ovate to sagittate or hastate, 2-3 in. long, varying from 

 2i-2g- in. in breadth, with basal lobes also very variable in length and 

 breadth, generally acuminate, minutely apiculate, green and glabrous 

 on both surfaces, margin generally obscurely ciliolate ; petiole shorter 

 than the blade. Peduncle stout, glabrous, 1^-3 in. long, bearing a few- 

 flowered cyme. Bracts small, lanceolate to'ovate, acute ; pedicels gla- 

 brous, less than G lin. long. Calyx glabrous, 3-4 lin. long; sepals 

 coriaceous with thinner margins, elliptic to ovate, obtuse, often mu- 

 cronulate. Corolla funnel-shaped, bright red-purple, about 2 in. long ; 

 limb H-2 in. in diam. Capsule globose, glabrous, I in. in diam. Seeds 

 4, pale brown, velvety. — Hallier f. in Engl. Jahrb. xviii. 142 in syn., and 

 xxviii. 43 ; Hiern in Cat. Afr. PI. Welw. i. 737 inch var. sarcopoda. I. 

 sagittata, Benth. in Hook. Niger Fl. 467 ; A. Rich. Tent. Fl. Abyss, ii. 69 

 excl. syn. ; Hallier f. in Engl. Jahrb. xviii. 142, and in Bull. Soc. Roy. 

 Bot. Belg. xxxvii. 97, not of Poiret ; var. diversifolia, Choisy in DC. 

 Prodr. ix. 372. I. sagittifolia, Ker in Bot. Reg. t. 437. Convolvidus 

 diver sifolius, Schumach. &. Thonn. Beskr. Guin. PI. 94, and in K. Dansk. 

 Vid. Selsk, Afhandl. hi. 114. Batatas abyssinica, A. Rich. I.e. ii. 64. 



Upper Guinea. Senegal, Roger ! Leprieur. Gambia, Ingram ! Guinea, 

 Yalil, Thonning. Gold Coast: Accra, Krause, 78; Bachner, 2.14:6. Togo: between 

 Bismarckburg and Misahohe, Buttner, 750. 



MTile Land. Eritrea : Keren, Steudner, 943. Gallabat : around Matamma, 

 Schiveinfurth, 2176. Abyssinia : Hamedo, Schimper, 263, 361 ; Taccazze Valley 

 and Shireli, Quart in- Dill on. Niamniam : Nabambisso Kiver, Schiveinfurth. 3755. 



Lower Guinea. Angola : Ambriz, Monteiro ! Loanda ; Quicuxe and Imbon- 

 deiro dos Lobos, Welwitsch, 6239 ! Penedo, Gossiveiler, 1482 ! 



84. I. shupangensis, Baker in Kew Bulletin, 1894, 73. Perennial, 

 glabrous. Stems climbing, woody with a much-wrinkled surface. Leaves 

 entire, cordate-ovate, acute, membranous, glabrous, 3-4 in. long and 

 broad ; petiole slender, 2-3 in. long. Flowers many in a lax compound 

 cyme on a peduncle 2^-3 in. long; pedicels \— 1 in. long ; bracts minute. 

 Calyx glabrous, 6 lin. long ; sepals ovate, obtuse, mucronulate, much 

 imbricate. Corolla funnel-shaped, white, 2|-3 in. long. Fruit and 

 seeds not seen. — I. schuvangensis, Hallier f. in Engl. Jahrb. xxviii. 45. 



Mozamb. Dist. Portuguese East Africa : Lower Zambesi ; Sliupango, Kirk, 

 229 ! 230 ! 



85. I. aquatica, Forsk. Fl. jEgypt.-Arab. 44. Annual, glabrous. 

 Stems numerous from a stout woody base, trailing on mud or floating on 

 water, stout, hollow, rooting from the nodes, rarely bearing short, soft, 

 spreading hairs. Leaves very variable in shape, usually cordate-ovate, 



