Ipomoea. } XC. CONVOLVULACEE (BAKER AND RENDLE). 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, 14-12 
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. Pf, Ost-Afr. C, 331. 
Nile Land. British East Africa: Lower Tana Valley, Lake Dumi, Gregory ! 
Mombasa, Hildebrandt, 2048 ! 
Mozamb. Dist. (German East Africa, Hannington! 
30. I, cordofana, Choisy in DC. Prodr. 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} in. long, glabrous ; midpetaline areas well defined. Capsule globose, 
4 lin. in diam. Seeds glabrous.—Jpomea auriculata, Hallier f. in Engl. 
Jahrb. xviii. 130. Batatas awriculata, Hochst. ex Choisy, |.c. 
Nile 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 
andonthe margin. Flowersin lax 2-flowered axillary cymes ; peduncle 
about J in. long; pedicels as long as the peduncle ; bract lanceolate, 24 
lin. long. Sepals lanceolate, acute, barely 6 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 J. mombassana, 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. Jong. Sepals unequal, 
membranous, acute, sparsely pubescent to glabrescent, the outer 
