188 XC. CONVOLVULACEE (BAKER AND RENDLE). | /pomea. 
Schweinfurth, 1096! Gazelle River, Schweinfurth, 1131! 1216! Bahr-el-Jebel, 
Muriel, 68! Broun! Uganda: Berkeley Bay, Scott-Elliot, 7068 ! 
Lower Guinea. St. Thomas Island, Don! Lewer Congo: by the Congo, 
Smith! Boma, Dewevre, 80, Angola: Pungo Andongo, Welwitsch, 6229! by the 
River Quije, Gossweiler, 1109! 
Mozamb. Dist. (terman East Africa: Khutu; Kisaki Steppe, Goetze, 76; 
Ugalla River, Bohm ; Bukumbi, Stuhlmann, 828. Portuguese East Africa : east of 
Lake Nyasa, Johnson, 152! 338! Zambesi Delta: Luabo River, Kirk / banks of the 
Inagua, Scott! Katunga, Shire Valley, Scot#! Kairuba Island, opposite ‘Lete, 
Kirk!) Muselo, Kirk! British Central Africa: Boruma, on the Zambesi, Meny- 
harth, 1071! Nyasaland, Buchanan! Long Island, above Victoria Falls, Eyles, 
140! -Ngamiland, Lugard, 300! Lake Ngami, McCabe, 16! 37! 
Also in the Mascarene Islands. 
124. I. hierniana, Rendle in Journ. Bot. 1901, 58, Stems robust, 
softly woody, climbing, clothed like the leaves and calyx with very short 
grey pubescence. Leaves papery, exactly cordate, acuminate, apex 
weakly cuspidate, 24-5 in. long, thinly pubescent to glabrescent on the 
upper surface, minutely grey pubescent, especially on the veins beneath ; 
petioles slender, about as long as the blade, pubescent like the leaf- 
veins, inconspicuously glandular at the blade insertion. Peduncle very 
short, 1-2-flowered, } in. long or less; pedicels } in. long; bracts 
caducous, lanceolate, small, 1 lin. long. Sepals coriaceous, oblong, 
obtuse, subequal, } in. long, shortly grey tomentose on the back like 
the peduncle and peduncles, edges glabrous. Corolla funnel-shaped, 
glabrous, except at the tips of the midpetaline lobes, which bear dense 
short hairy tutts, 1} in. long. Filaments long. 
Upper Guinea. Cameroons: Bipinde, Zenker, 1614! 
125. I. Holubii, Baker in Kew Bulletin 1894, 72. Perennial. 
Stems slender, woody, twining, clothed with dense white pubescence. 
Leaves entire, broadly cordate-ovate, obtuse, 1-2} in. long, up to nearly 
2 in. broad, densely pubescent on both surfaces; petiole }—} in. long. 
Flowers 1-3; peduncle slender, 14-2 in. long, pubescent like the 
pedicels ; pedicels short ; bracts elliptic, subfoliaceous, densely pubescent, 
{-1 in. long. Calyx pubescent like the bracts, } in. long; sepals 
orbicular, obtuse, minutely mucronate. Corolla tunnel-shaped, rose- 
purple, 2-3 in. long; limb 24 in. in diam. Fruit and seeds not seen. 
Mozamb. Dist. British Central Africa: Southern Rhodesia; JLeshumo 
Valley, Holub, 512! Panda ma Tenka, Holub, 969! 
_ 126. I, rhodesiana, Rendle in Journ. Bot. 1901, 57. Perennial. 
Stems probably climbing, reddish, grey-pubescent. Leaves shortly 
petioled, cordate-ovate, obtuse, under | in. long, to about 4 in. broad, 
2 
grey tomentose on both surfaces, with a fulvous tinge on the upper, the 
curving lateral veins prominent beneath. Peduncle short, } in. long, 
1-flowered ; bracts linear-oblong, small, 1} lin. or less in length, remote 
from the calyx. Sepals unequal, broadly ellipsoid or obovate, $ ™- 
long, the two inner longer than the three outer. Corolla unknow®?. 
Ovary glabrous, 
