116 xc. coNvoLVULACEiE (baker and rendle). [Lepistemon. 



Cymes niany-flovverecl,sessile or shortly peduncled ; pedicels slender,l in. 

 or less in length ; bracts minute. Calyx ventricose. Sepals ovate 

 to elliptic, obtuse, shortly cuspidate, laxly hirsute on the back 

 to glabrous, 2-3 lin. long. Corolla-tube 6 lin. long, at first subcylindric, 

 white, subcampanulate, becoming ovoid as the ovary expands ; limb 

 6 lin. in diam. Capsule setose except in the upper part, tardily 

 dehiscing, shortly ovoid, coriaceous, 6 lin. long. — Hallier f. in Engl. 

 Jahrb. xviii. 123, xxviii. 30; Hiern in Cat. Air. PI. Welw. i, 731. 

 Convolvulus owariensis, Spreng. Syst. i. 594. Ipomcea owariensis, Beauv. 

 Fl. Owar. ii. 41, t. 82. /. rejxmchcla, Baker in Kew Bulletin, 1895, 113. 

 Lepistemon lignosum, Dammer in Engl. Pfl. Ost-Afr. C. 331. L. 

 oioariensis, Hallier f. in De Wild. Etudes Fl. Katanga, 112. 



Upper Guinea. Gold Coast : Anum, Johnson, 817 ! Ashanti : near Prahsu, 

 Cummins, 1 ! Togo, Baumann, 409. Oware, Beauvois. Lagos, -Milieu, 33 ! 68 ! 

 180 ! Rowland ! Caraeroons : Yaunde, Zenker Sf Standi, 571 ! 



Nile Land. Jur : Schweinfurih, 1430 ! 2509. Uganda: Usoga, 4000 ft., 

 Scott-Elliot, 7195 ! Ewenzori, Scott-Elliot, 8098 ! 



lower Guinea. Lower Congo : Kisantu, Qillet, 940, 1012. Angola : 

 Grolungo Alto ; Sobado de Bumba and Mussengue, Welivitsch, 6145 ! 6145b ! 



South Centrali Congo Free State : Katanga ; Lukof u, Verdich, 435. 



IVSozainto. ISist. German East Africa: Usarnbara; Lutindi, 3000-4000 ft., 

 Hoist, 3425, 3456! Portuguese East Africa: Zambesi, Kirk! British Central 

 Africa : Nyasaland ; Shire Highlands, KirJc ! 



A specimen with ripe dehiscing capsules collected by Christian Smith (43) 

 on the Congo may represent another species. The capsules are somewhat larger, 

 nearly 8 lin. in diam., more globose and hirsute to the top. 



22. LEPISTEMONOPSIS, Dammer in Engl. Pfl. Ost-Afr. C. 331. 



Sepals 5, unequal, very accrescent, the 3 outer lanceolate, the 2 

 inner ovate. Corolla campanulate, shortly 5-lobed. Stamens 5, short, 

 equal ; filaments filiform, springing from the base of fleshy glabrous 

 scales ; anthers linear. Disc cupular, shorter than the ovary. Ovary 

 2-celled, 4-ovuled ; style simple ; stigma capitate, bipartite. Capsule 

 2-valvecl. Seeds granular. 



Endemic and monotypic. 



Not seen. Very near Lepistemon, from which it is distinguished by the shape 

 of the corolla. 



1. L. Volkensii, Dammer, I. c. Stems climbing, densely clothed 

 with reflexed hairs. Leaves cordate, 3-lobed, acuminate, mucronate, 

 up to 4 in. long, by 3|- in. broad, adpressed pilose on both surfaces ; 

 petiole 2-\ in. long, clothed with reflexed hairs. Flowers in peduncled 

 axillary cymes ; pedicels 2 lin. long, hairy like the petioles. Sepals 

 unequal, the 3 outer lanceolate, acuminate, hirsute on the back, barely 

 6 lin. long, by a little over 1 lin. broad, the two inner oval, mucronate, 

 more or less glabrous, 4 lin. long by barely 2 lin. broad. Corolla cam- 

 panulate, white, with green stripes, 9 lin. long. Disc shorter than 



