New cercosporoid fungi from southern Africa
Seven cercosporoid fungi are newly described from leaf spots on various plants in South Africa. An eighth species. Stigmina dieramae Crous and B. Sutton is described from leaf spots on a Dierama K. Koch species collected in Lesotho. Cercostigmina ekebergiae Crous and B. Sutton is newly described from Ekebergia Sparrm., while a new coelomycete genus, Phaeophloeosporella Crous and B. Sutton, is described as the pigmented analogue of Phloeosporella Hohn. to accommodate Cercosporella ekebergiae Syd. Additional species treated are Cercospora Iotononidis Crous and B. Sutton on Lotononis bainesii Bak., Passalora tecomariae Crous and B. Sutton on a Tecomaria Spach species, Phaeoramularia digitariae Crous and B. Sutton on Digitaria diagonalis (Nees) Stapf, Pseudocercospora capensis Crous and B. Sutton on Cunonia capensis L. and Pseudocercospora eucleae Crous and B. Sutton on Euclea undulata Thunb.