3. P. spec. I.
In graminosis prope Atikpui (Togo). IV. 1900 — No. 12982.
4. P. spec. II.
In graminosis prope Akeppe (Togo). IV. 1900 — No. 12989.
Platostoma Beauv.
1. P. africanum.
In cultis prope Bibundi (Kamerun). III. 1899 — No. 12421. In fruticetis juxta flumen Dja (Kamerun). IX. 1899 — No. 12776. Ad margines silvarum fruticetorumque prope Coquilhatville (Congo). VII. 1899 — No. 12623.
Acrocephalus Bth.
1. A. coeruleus Oliv.
Ad margines paludum prope Dolo juxta Stanley-Pool (Congo). VI. 1899 — No. 12446.