Fungi of the Stellenbosch District. 
283 
Arcyriaceae. 
Arcyria cinerea (Bull.), Pers., Forma digitata. Dead wood. A. V. Duthie. 
Arcyria denudata, Sheldon. Dead wood. A. V. Duthie. 
Arcyria nutans, Grev. Dead wood. A. V. Duthie. 
Arcyria Oerstedtii, Rost. Dead wood. A. V. Duthie. 
SCHIZOMYCETES. 
Actinomyces scabies (Thax.), Guss., Solanum tuberosum. 
Bacterium nectarophilum, Doidge, Pirus communis. 
Bacterium tumefaciens, Sm., Pirus malus. 
Pseudomonas pruni, Sm., Prunus persica, Nov. 1921 ; Prunus domestica 
(Prunes), Jan. 1922. 
Phycomycetes. 
Albuginaceae. 
Albugo Candida, Ler., Cochlearia Armourica, Dec. 1921 ; Raphanus 
raphinastrum. 
Entomophthoraceae. 
Empusa Grylli (Fres.), Nowakowski. 
Empusa muscae, F. Cohn. 
ASCOMYCETES. 
Exoascaceae. 
Taphrina aurea, Fr., Populus pyramidalis, Dec. 1921. 
Taphrina deformans (Fcl.), Tul., Prunus persica (Peach and nectarines). 
Helvellaceae. 
Morchella conica, Pers. On ground. A. V. Duthie. 
Pezizaceae. 
Lachnea hemisphaerica (Wigg.), Grill. A. V. Duthie. 
Lachnea sp. A. V. Duthie. 
Peziza spp. Two large species and several smaller ones. A. V. Duthie. 
Mollisiaceae. 
Aspergillus niger, Bref., Allium cepa. Nov. 1921. 
Erysiphaceae. 
The fungi of this family were only found in their conidial fructifications. 
Their identification was hence based on the hosts on which they occurred. 
Erysiphe cichoracearum, D. C, Cucumis pepo., Nicotiana tabacum. 
Erysiphe polygoni, D. C, Pisum sativum. Nov. 1921. 
