A REVISION OF THE GENUS BERTIERA 161 



son, 55! Princes Island: Mannl Wehvitsch, 5086! Barter, 1974! 

 Ashanti : Cummins, 49 ! Lagos : Millen ! Akpanu, S. Nigeria : 

 Dennettl Kamerun: Ze7iker, 1544! 1976! 2423! 4150! Johnstonl 

 Hbb. Mus. Brit, and Kew. 



Eemarkable for the size of the mature berry, which is over a 

 centimetre long and crowned by a tubular calyx-limb exceeding 

 2 mm. in length. The lateral cymes are distinctly pedicellate and 

 sometimes relatively lax. 



21. B. Thonneri de Wild. & Th. Dur. PI. Thonner. 44 t. xiii. 

 (1900). 



Hab. Congo, Bangalas: Thonner, 19. 



I have not seen a specimen, but the figure quoted is an 

 excellent one. As the author states, the affinities are with 

 B. racemosa and B. spicata. 



22. B. GLABRATA K. Sch. in Engl. Bot. Jahrb. xxiii. 450 

 (1897). 



Hab. Kamerun : Zenker, 811 1 Hbb. Mus. Brit, and Kew. 

 Liberia, Sinoe Basin : Whyte ! in Hb. Kew. 



There are no flowers or fruits on the type specimens in the 

 National and Kew Herbaria ; but Whyte's plant is in full flower 

 and seems to correspond with the description. It is distinctive 

 in the complete glabrousness of the exterior of the corolla, even 

 in bud. 



23. B. MONTANA Hiern in OHv. Fl. Trop. Afr. iii. 83 (1877). 

 Hab. Fernando Po Island (alt. 7000 ft.) : li^i^m, 292! Ashanti: 



Thompson \ Buddi, Uganda: Z>awe, 268 ! Hb. Kew. Kampala, 

 Uganda : Scott Elliot, 7327 ! Hbb. Mus. Brit, and Kew. 



The flower-buds are all deflexed in the specimens examined, 

 much as in B. retrofracta, but the leaves are much broader than 

 those of the latter species. 



24. B. RETROFRACTA K. Sch. in Engl. Bot. Jahrb. xxiii. 452 

 (1897). 



Hab. Kamerun: Preuss, 337! 1279! Hb. Kew. Oban, 

 S. Nigeria : Talbot, 236 ! Hb. Mus. Brit. 



Distinguishable from its near allies by the relative narrow- 

 ness of its leaves. 



25. B. suBSESSiLis Hiern in Oliv. Fl. Trop. Afr. iii. 83 

 (1877). B. congolana de Wild. & Th. Dur. Ann. Mus. Congo, ii. i. 

 fasc. 2, 28. 



Hab. E. Niger, Brass ! Barter ! Congo, Leopoldville : Deivdvre. 

 Sapin ! in Hbb. Mus. Brit, and Kew. 



A careful comparison between the examples and descriptions 

 of the two species named urges me to regard them as identical. 

 The authors of B. congolana point out, as its only dift'erence from 

 B. suhsessilis, that the leaves are distinctly petiolate ; but this can 

 scarcely be regarded as a character either constant or important 

 enough to separate two distinct species. 



The calyx-limb, as in B. racemosa, is a prominent feature in 

 the fruit — tubular, erect, entire, about two-fifths of the total 

 length of the berry. 



Journal of Botany.— Vol. 50. [May, 1912.1 n 



