166 XC. CONVOLVULACE& (BAKER AND RENDLE). | Jpomea. 
71. I. ochracea, G. Don, Gen. Syst. iv. 270. Perennial. Stems 
very slender, twining, younger parts sparsely hairy to subglabrous, the 
older longitudinally rugose-striate. Leaves cordate-ovate, acute, entire, 
membranous, glabrescent or obscurely pubescent, 1-24 in. long ; petiole 
a little shorter than the blade. Peduncles 1—3-flowered, }—2 in. long ; 
bracts minute, ovate, acuminate; pedicels shorter than the peduncle, 
4-9 lin. long. Calyx sparsely hairy, glabrous, 3 lin. long ; sepals ovate, 
acute. Corolla funnel-shaped, 1} in. long, bright yellow with a purple 
tube. Capsule subglobose, tipped with the persistent style-base, 
glabrous. Seeds pubescent.—Choisy in DC. Prodr. ix. 372 ; Hallier f. 
in Engl. Jahrb. xviii. 140 and xxviii. 37, in Bull. Herb. Boiss. vi. 540, 
and in Bull. Soc. Bot. Belg. xxxvii. 95; Hiern in Cat. Afr. Pl. Welw. 
i. 737 (as to No. 6245); Rendle in Journ. Bot. 1901, 55. J. ophthal- 
mantha, Hallier f. in Engl. Jahrb. xviii. 141 as to Welw. No. 6249. 
Convolvulus ochraceus, Lindl. in Bot. Reg. t. 1060. C. trichocalyx, 
Schumach. in K. Dansk. Vid. Selsk. Afhandl. iii. 111, and in Schumach. 
& Thonn. Beskr. Guin. Pl. 91. 
‘ saad Guinea. Guinea: Jsert, Thonning. Togo: near Lome, Warnecke, 
07 ! 
Lower Guinea. Congo: Smith! Lower Congo: Boma, Dupuis, Dewevre 
128! Loango, Soyaux, 66. Angola: Ambriz, Monteiro!  Loanda, Welwitsch, 
6245! Gossweiler, 295! 1483! Chella Mountains, Johnston! Penedo, Gossweiler 
1537 ! 
72. I. micrantha, Hallier f. in Bull. Herb. Boiss, vi. 541. A 
climbing herb with slender terete thinly pilose or glabrescent stems. 
Leaves cordate, entire, glabrous, up to 2 in. long by 2 in. broad, with 
an acuminate mucronulate apex, basal sinus broad; lobes rounded ; 
petiole nearly as long as the blade, filiform. Peduncles axillary, terete, 
filiform, glabrous, strictly erecto-patent, sometimes longer (up to nearly 
2 in.) and many-flowered, sometimes shorter and few-flowered or obsolete. 
Bracts and bracteoles minute squamiform, glabrous. Pedicels about 
6 lin. long, filiform, glabrous, thickening somewhat upwards, strongly 
recurved after flowering. Buds ovoid, subobtuse. Sepals small, sub- 
equal or the two outer a little shorter, about 1} lin. long, ovate-elliptic, 
obtuse, mucronulate, herbaceous, glabrous, minutely rugose, subverrucu- 
lose on the back, margin membranousand paler. Corolla funnel-shaped, 
whitish-yellow, glabrous, about 1 in. long; tube about 24 lin. broad in 
the middle; limb nearly 1 in.in diam. Capsule globose, tipped with the 
style-base, glabrous, 2-celled, about 4 lin. long. Seeds 4, dark-coloured 
glabrous.—J/. micrantha, var. glabrata, Hallier f. 1.c. 542. 
Upper Guinea. Ashanti: Kumassi, Cummins, 236! Cameroons : Yaunde, 
Zenker, 506. 
Var. hispida, Hallier f. l.c. 542. Bracteoles and calyces hispid with fine grey 
spreading hairs.—Hallier f. in Bull, Soc. Bot. Belg. xxxvii. 96. : 
Lower Guinea. Lower Congo: Lemba, Dewevre, 357; Bingila, Dupuis: 
Kisantu, Gillet, 899. 
4 qr. acanthocarpa, Hochst. in Kotschy, Pl. Nub. Exsice. 269. 
Perennial. Stems slender, twining, glabrous, longitudinally striate. 
Leaves cordate-ovate, entire, acute, membranous, glabrous, 14-3 m- 
