300 Transactions of the Boyal Society of South Africa. 
Genus No. 
1 — Ceratiomyxa fruticulosa (Macbr). 
West Africa (F.). 
South Africa (Journ. Bot. May, 1916). 
East Africa (Journ. Bot. May, 1916). 
Knysna (A.D.) ; Stellenbosch (A.D.). 
Habitat ; On decayed wood ; common. 
C. fruticulosa, var. flexuosa (Lister). 
West Africa (F.). 
East Africa (Journ. Bot. May, 1916). 
Habitat : On moist logs. 
2 — Badhamia, sp. 
Stellenbosch (A.D.). 
Habitat : On dead bark. 
Apparently the first record of this genus from South Africa. 
3 — Physarum melleum (Mass.). 
Cape (K.). 
South Africa (Kl.) ? 
Knysna (A.D.). 
South Africa (Journ. Bot. May, 1916). 
Habitat : On dead wood. 
P. mutabile (Lister). 
Cameroons, West Africa (B.M.). 
Habitat ; On dead leaves, etc. 
P. roseum (Berk. & Br.). 
West Africa (¥.). 
Habitat: On species of Thelephora. 
P. viride (Pers.). 
South Africa (KL). 
South Africa (Mass. Mon. p. 829). 
Habitat : On dead wood, bark, etc. 
P. viride, var. aurantium (Lister). 
West Africa (F.). 
Habitat : On dead wood. 
P. viride, var. rigidum (Lister). 
West Africa (F.). 
Habitat : On dead wood. 
P. nucleatum (Bex). 
West Africa (F.). 
Habitat : On dead wood, stalks of palm leaves, etc. 
P. pusillum (Lister). 
West Africa (F.). 
South Africa (Journ. Bot. May, 1916). 
East Africa (Journ. Bot. May, 1916). 
Habitat : On sheaths of oil palm, etc. 
