In paludibus prope Noki (Congo). V. 1899 — No. 12439; In humidis prope Leopoldville, pone Stanley-Pool (Congo). VI. 1899 — No. 12513.
7. C. Smithianus Ridl.
In fruticetis prope Coquilhatville (Congo). VII. 1899 — No. 12608.
8. C. umbellatus C. B. Cl.
In collibus graminosis inter Ibadan et Aberkuta (Yoruba-Land). III. 1899 — No. 12336.
9. C. spec.
In humidis prope Irebu (Congo). VII. 1899 — No. 12641.
10. C. spec.
In humidis prope Leopoldville, pone „Stanley-Pool“ (Congo). VI. 1899 — No. 12577.
11. C. spec.