— 111 — 
B. Gentilii Rolfe in Gardn. Chronicle 1904 II p. 266; 
De Wild. Études F1. Bas- et Moyen-Congo III (1910) p. 181 ; 
Orchid. Review 1912 p. 314. 
Cameroun (Zenker, Preuss). 
Congo belge, 1898 (L. Gentil). 
B. Gilgianum Xraenzlin in Engler Bot. Jahrb. XXVII 
(1900) p. 162. 
Uehe (Gütze). 
B gravidum Lindley in Journ. Linn. Soc. VI (1862) p. 126; 
Rolfe in Flora of trop. Africa VII p. 27. 
B. monticolum Hooker f. in Journ. Linnean Society VII 
(1864) p. 219. 
Fernando-Po (Mann). 
Angola. 
Cameroun ? 
B. herminiostachys Reichb. f. in Walp. Ann. VI (1861) 
p. 254 ; Rolfe in Flora of trop. Africa: VII p. 35. 
Taurostalyx herminiostachys ÆReichb. f. in Bot. Zeitung 
(1852) p. 933. 
Sierra-Leone. 
B. hirsutissimum Kraenzl. in Engler Bot. Jahrb. XLVIII 
(1912) p. 392. 
Cameroun (Ledermann). 
B. Hookerianum Xraenzlin in Engler Bot. Jahrb. XLVII 
(1893) p. 49 et in Gardn. Chron. (1894) I p. 685. 
Cameroun (Preuss). 
B. inaequale Reichb. f. in Flora (1886) p. 553. 
Gabon ? 
