Conophcbryngia.^ lxxxiv. apocynace.e (staff). 143 



^3-8 in. broad, coriaceous, punctate below; secondary nerves 11-14 on 

 each side; veins inconspicuous; petiole stout, 8-9 lin. long. Inflorescences 

 corymbose ; peduncle stout, 6 in. long ; bracts small, ovate, deciduous ; 

 pedicels up to 1) lin. long. Calyx 8-4 lin. long; sepals broad-elliptic, 

 very obtuse, ciliolate, with numerous minute basal glands within. 

 Corolla white ; tube slender, slightly over 2 in. long, somewhat twisted 

 below, otherwise straight, widened near thfe base (4 lin. in diam.) ; 

 lobes oblong, obtuse, 1 in. long, 4 lin. broad, margins wavy. Stamens 

 inserted 7 lin. above the base ; anthers sagittate, subulate-acuminate, 

 6 lin. long. Style 5-6 lin. long. Berries globose. — Tahenicemoiitana 

 Smithii, Stapf in Kew Bulletin, 1898, 305, and in De Wild. & Durand, 

 Contrib. Fl. Coogo in Ann. Mus. Congo, Bot. ser. 2, i. fasc. i. 39 ; 

 De Wild. & Durand, Reliq. Dawevr. in Ann. Mus. Congo, Bot. ser. 3, 

 fasc. ii. 153. 



XiOwer Guinea. Lower Conjjo : LeDpoldville, Laurent ! and without precise 

 locality. Smith ! North Angola : Chinganga (Kinganga), Dewcvre, 261 ! 



Soutli Central. Congo Free 8tate : basin of tlie Sankuru, Laurent ! 

 Stanleyville, Dewevre, 1167a ! 



De Wildeman & Dur.md quote, in Reliquia? Dewevriauae, Dewevre as snying 

 under 271 that this is sometimes a very higli climber, whilst tlie Stanleyville plant 

 is described as arborescent. The nu nber which I notid from D^wevre's specimen 

 from Chinganga was 261, not 271 as stated byDe Wilde.na.i and Durand. 



4. C. Thonneri, Stapf. A perfectly glabrous shrub, up to 15 ft. 

 high, with stout branches. Leaves elliptic to obovate-oblong, very 

 obtuse, apiculate, subacute or rounded at the base, 8-12 in. long, 

 4J-8 in. broad, subcoriaceous, pale and punctate beneath ; secondary 

 nerves 11-12 on each side, usually straight up to J of their length ; 

 veins inconspicuous; petiole stout, f-lj in. long. Inflorescences sub- 

 corymbose, many-flowered, from the branch-forks; peduncle stout, 

 3-4J in. long ; bracts small, ovate, deciduous ; pedicels up to (3 lin. 

 long. Calyx 2|-3 lin. long; sepals elliptic, obtuse, ciliolate, with 

 numerous basal glands within. Corolla white, fragrant; tube rather 

 slender, cylindric, 2-2J in. long, widened (to 3 lin.) and twisted near 

 the base, tomentose within above and below the anthers ; lobes oblong, 

 obtuse, 1-lJ in. long, margins wavy. Stamens inserted 4 lin. above 

 the base ; anthers almost 5 lin. long, sagittate, subulate-acuminate. 

 Style 3~3J lin. long. — Taherncemontana Thonneri, De Wild. & Durand 

 ex Stapf in Kew Bulletin, 1898, 306 ; Contrib. Fl. Congo in Ann. 

 Mus. Congo, Bot. ser. 2. i. fasc. i. 39; De Wild. & Durand, PI. 

 Thonner. Congol. 32, t. vii. 



Soutli Central. Congo Free State : Bogolo near Businga, on the River 

 Mougala^ Thonner J 



De Wildeman and Durand also suifgest (Contrib. Fl. Congo, I.e.) that a plant 

 collected near Dembo by Giilet may belong to tliis species. It. however, is said to 

 have somewhat longer, more slender corollas and a slightly sliorter calyx. 



5. C. durissima, Stapf. A tree, 30-70 ft. high : branches stout, 

 terete, olive-green, when dry. Leaves obovate-oblong, very obtuse. 



