Ipomcea.] xc. convolvulace.e (baker and rexdle). 149 



long ; sepals linear-acute from a hastate base, (base of two inner sepals 

 less dilated and elliptic), margin long-ciliate, back sparsely puberulous. 

 Corolla funnel-shaped, whitish with a purple throat, glabrous, 1|-1| 

 in. long; midpetaline areas very distinctly limited. Fruit unripe, 

 glabrous, beaked with persistent style-base ; seeds not seen— Hallier f. 

 in Engl. Jahrb. xviii. 130; Dammer in Engl. Pfl. Ost-Afr. C. 331. 



Wile Land. British East Africa: Loner Tana Valley, Lake Dumi, Gregory ! 

 Mombasa, Hildebrdndt, 204S ! 



Mozamb. Dist. German East Africa, Hannington ! 



35. I. cordofana, (Jhoisy in DC. Proclr. ix. 350. Perennial. 

 Stems slender, trailing, laxly pilose, hairs long, spreading. Leaves 

 entire, cordate-ovate-orbicular with a broad open sinus, obtuse or sub- 

 acute, 1-3 in. long and broad, glabrous above, green and thinly hairy, 

 chiefly on the veins on the lower face ; petiole hairy like the stem, 1-2 

 in. long. Peduncles usually shorter than the leaves, 1-3-flowered, hairy 

 like the petioles ; pedicels stouter and shorter than the peduncles ; 

 bracts ovate, acute, foliaceous, persistent. Calyx hairy, 8 lin. long ; 

 sepals linear tapering from an ovate-cordate lower portion (the two 

 inner much narrower, not cordate). Corolla funnel-shaped, white, 

 1-J- in. long, glabrous ; midpetaline areas well defined. Capsule globose, 

 4 lin. in diam. Seeds glabrous. — Ipomcea auriculata, Hallier f. in Engl. 

 Jahrb. xviii. 130. Batatas auriculata, Hochst. ex Choisy, I.e. 



Wile Land. Kordofan : Arashkol Mountain, Kotschy, 195 ! Katul Gambara, 

 Pfund, 211 ! and without precise locality, Kotschy, 409 ! 



36. I. hindeana, Rendle in Journ. Bot. 1901, 13. A low under- 

 shrub, with thinly hairy branchlets. Leaves oblong- hastate, about 1 in. 

 by barely half as broad, obtuse, subcordate at the base, dark green and 

 glabrous on the upper surface, minutely hirsute on the veins beneath 

 and on the margin. Flowers in lax 2-flowered axillary cymes ; peduncle 

 about 1 in. long ; pedicels as long as the peduncle ; bract lanceolate, 2^ 

 lin. long. Sepals lanceolate, acute, barely (! lin. long, sparsely hairy. 

 Corolla funnel-shaped, 1 in. long, probably white ; midpetaline areas 

 well-defined, sparsely pilose. 



Nile Land. British East Africa : Ukamba ; Machakos, Hinde ! 

 The foliage, inflorescence, and flower suggest /. monibassana, but the sepals show 

 no trace of the basal auricles which characterise that species. 



37. I. heterosepala, Baker in Kew Bulletin, 1895, 222. Stem 

 slender, wide-climbing, pubescent when young ; second year stems with 

 a thin wrinkled easily separable cork layer, bearing conspicuous 

 lenticels. Leaves long-petioled, cordate-ovate, 3-4 in. long, 2^—3 in. 

 broad, acuminate, blunt and mucronate at the apex, entire, membranous, 

 green and thinly pubescent on both surfaces, chiefly on the veins. 

 Cymes laxly few-flowered ; peduncle 6-8 lin. long. Bracts small, 

 lanceolate from an ovate-cordate base, 3 lin. long. Sepals unequal, 

 membranous, acute, sparsely pubescent to glabrescent, the outer 



