Ipomeea. | XC. CONVOLVULACEH (BAKER AND RENDLE). 167 
long; petiole very slender, about as long as the blade. Peduncles 
short, 1-3-flowered ; pedicels short, thickened; bracts minute, ovate, 
obtuse. Sepals ovate, about 3 lin. long, obtuse or minutely mucronate. 
Corolla regularly funnel-shaped, whitish or pale purple, 1 in. long. 
Capsule globose, glabrous, 4-6 lin. in diam., tipped with the sharp 
persistent style-base. Seeds silky.—Hallier f. in Engl. Jahrb. xviii. 139 
and xxviii. 43. Calonyction acanthocarpum, Choisy in DC, Prodr. ix. 
Nile Land. Kordofan: Obeid, Kotschy, 269! 
Upper Guinea. Senegal, Perrottet, 521! 524! Leliévre. 
74. I. asclepiadea, Hallier f. in Engl. Jahrb. xviii. 142. Stem 
slender, twining, glabrous. Leaves cordate-ovate, acuminate, 2 in. 
long, above 1 in. broad, glabrous, blackish above, paler below, promi- 
nently ribbed; margin revolute; petiole 6-9 lin. long. Peduncle 
about 1 in. long, rigid, glabrous; flowers many, subumbellate, in lax 
dichasia. Sepals small, ovate, subobtuse, blackish, cinereo-pubescent, 
2% lin. long, by half as broad, the outer larger than the inner. Corolla 
funnel-shaped, 1 in. long, pubescent.—Hallier f. in Engl. Jahrb. xxviii. 
43, and in Bull. Soc. Bot. Belg. xxxvii. 96. 
South Central. Congo Free State: Monbuttu; Nembe, by the Kussumbo 
stream, Schweinfurth, 3141. Lomami River, Pogge, 1213. 
75. I. britteniana, endle in Journ. Bot. 1896, 38. Stems 
slender, climbing, glabrous, longitudinally rugulose. Leaves shortly 
petioled, cordate-ovate, acuminate, mucronulate, 1-14 in. long, ?~1 in. 
broad, glabrous, minutely glandular-punctate, scabrid and ciliate on 
the margins ; petiole about 6 lin. long, slender, scabridulous. Cymes 
subumbellate, 4—7-flowered ; peduncle equal to the petiole but stouter, 
scabridulous ; bracts ovate, minute ; pedicels smooth, 3-5 lin. long. 
Calyx thinly coriaceous, glabrous, 4 lin. long; sepals subequal, ovate, 
subobtuse, shortly mucronate, the outer verruculose. Corolla-tube 1} 
lin, in diam., tubular-infundibuliform, under 1 iv. long. Stamens un- 
equal, about 3 lin. long. Capsule globose, shortly apiculate, thin, 
brown, glabrous, 2 lin. in diam. Seeds 4, cuneiform, brown, glabrous. 
—Hallier f. in Engl. Jahrb. xxviii. 43. 
Nile Land. British East Africa: Ngatana, by the Tana River, Gregory ! 
76. I. Papilio, Hallier f. in Bull. Herb. Boiss. vi. 543. Stems 
long, slender, trailing, obscurely pubescent or scabridulous. Leaves 
shortly petioled, cordate-ovate, acuminate, 6 lin. long, deeply and 
irregularly toothed in the lower half, green and glabrous on both sur- 
faces ; petiole slender, 4—6 lin. long. Peduncle short, slender, 6—9 lin. 
long, 1-flowered ; bracteoles ovate, minute ; pedicels short, thick. Sepals 
thinly coriaceous, unequal, ovate-elliptic, obtuse, the outer less than 3 
lin., the inner barely 4 lin. long, green, glabrous. Corolla broadly 
funnel-shaped, rose-red, 1-11 in. long, spread of limb equal to length, 
scarcely lobed. Stamens half the length of the corolla. Capsule glo- 
bose, 4 lin. in diam.—Rendle in Journ. Bot. 1901, 56; Baker & Wright 
in Dyer, Fl. Cap. iv. ii, 63. 
