190 XC, CONVOLVULACE (BAKER AND RENDLE). | Zpomea. 
Quizembo, Welwitsch, 6241! Barra do Bengo, Welwitsch, 6242! Punge Andongo ; 
Mata de Pungo, Welwitsch, 6163! Condo, Welwitsch, 6222 ! 
South Central. Congo Free State: Katanga; Lofoi, Verdick. Sankuru, 
Laurent. Uualaba River, Pogge; Lulua River, Pogge. 
Mozamb. Dist. Portuguese East Africa: Zambesi Delta ; Kongone River, 
Kirk ! 
Cosmopolitan in the tropics. 
Var. eriocarpa, Rendle. Leaves entire, cordate-ovate, acute.—J. camerunensis, 
Taubert in Gartenfl. 1891, 393, t. 1352. TZ. eriosperma, P. Beauv. Fl. Owar. ii. 73, 
t.105, J. paniculata, var. indivisa, Hallier f. in Bull. Herb. Boiss, v. 378, and 
in De Wild. & Durand, Contr. Fl. Congo, 43; var. eriocarpa, O. Kuntze, Rev. Gen. 
Pl. ii. 445; Hallier f. in Engl. Jahrb. xviii, 150. 
Upper Guinea. By the sea from Chama, Gold Coast, to Formosa (Benin) 
River, in Southern Nigeria, Beaurois. Cameroons: Batanga, Dinklage, 770.  Fer- 
nando Po, Mann, 422! 
Lower Guinea. Lower Congo: Dewévre. Gaboon: Munda, Soyaux, 389! 
129. I. marmorata, Britten ¢ Rendle in Jowrn. Bot. 1896, 36. 
Stems woody, glabrous, grey puberulous at the extreme tip. Leaves 
veniform or suborbicular from a reniform base, 3—5 in. broad, 2-24 in. 
long, apex rounded or retuse, veins sparsely tomentose on the upper 
surface, conspicuously clothed with white tomentum on the lower, the 
rest of the leaf almost glabrous, a pair of glandular areas just above the 
vetiole-insertion on the under surface; petiole nearly or quite as long as 
the blade. Peduncles short, 1-flowered, } in. long; bracts deciduous. 
Calyx glabrous; pedicel a little over } in. long or nearly 1 in. long ; 
sepals coriaceous, ovate-oblong, obtuse, the two outer rather shorter. 
Corolla 5 in. long; tube slender, } in. in diam., about 34 in. long. 
Stem dilated (withered in specimen). Stamens and style reaching to 
the top of the tubular part of the corolla.—Hallier f.in Ann. Istit. Bot. 
Roma, vii. 232. 
Nile Land. Somaliland: Harar, Robecchi-Bricchetti, 32. British East 
Africa: Lake Stefanie, Donaldson-Smith ! 
130. I. grandiflora, Zam. Jil. i. 467. Stems wide-climbing, 
smooth, or muricate with herbaceous papille. Leaves cordate- 
orbicular, cuspidate, membranous, glabrous, 4—6 in. long and broad ; 
petiole about as long as or shorter than the blade. Peduncles 1-3- 
flowered ; bracts small, deciduous. Sepals coriaceous, broadly elliptic, 
apex rounded, glabrous, much imbricate, # in. long. Corolla white ; 
tube cylindrical, 24 in. long, } in. in diam. ; expanded limb about 3 in. 
in diam. Capsule subglobose, 1 in. in diam. Seeds lenticular, with 
shaggy border and glabrous faces.—Hallier f. in Engl. Jahrb. xviii. 153. 
I, glaberrima, Boj. Hort. Maurit. 228. Calonyction grandiflorum and 
C. asperum, Choisy in DC. Prodr. ix. 346. C. comosperma, Boj. 1.¢.; 
Choisy l.c. 
Mozamb. Dist. (ierman East Africa: Rovuma Bay, Kirk / 
Also in Tropical Asia, Polynesia, and the Mascarene Isles. 
_ 131, I. lapidosa, Vuthke in Linnea, xiii. 507. A woody climber, 
with elongated climbing stems, from which the leaves soon fall, and 
