11. B. fuscum Ldl.

In arboribus prope Victoria (Kamerun). I. 1900 — No. 12834.

12. B. (§ Megaclinium) gabunense Schltr. n. sp.

In arboribus prope Cape Lopez (Congo français). XII. 1899 — No. 12819.

13. B. (§ Megaclinium) kamerunense Schltr. n. sp.

In arboribus prope Bibundi (Kamerun). IV. 1900 — No. 12430.

14. B. (§ Megaclinium) leptorrhachis Schltr. n. sp.

In ramis arborum prope Moliwe (Kamerun). I. 1900 — No. 12992.

15. B. (§ Megaclinium) longibulbum Schltr. n. sp.

In ramis arborum prope Nyassosso (Kamerun), alt. c. 800 m. I. 1900 — No. 12893.