Some Notes on the South African Erysipbaceae. 239 
Oidiopsis taurica, which occurs on a number of herbaceous plants, has 
been placed in this species. 
LIST OF ERYSIPHACEAE IN THE UNION MYCOLOGICAL HERBARIUM, 
PRETORIA. 
(The herbarium numbers are given in brackets.) 
Podosijhaera leucotricha (Ell. & Ev.) Salm. (Plate XXX.) 
On Pyrus mains : 
Clocolan, O.F.S., February, 1911; leg. 1. B. Pole Evans (1079). 
Oidial stage only : — 
On Pyrus malus : 
Pretoria, 14/1/07 (256). 
Johannesburg, 24/10/07 and 13/1/11 (430, 448, 1077). 
Bethal, O.E.S., March, 1914 (1291). 
Sphaerotheca humuli (D.C.) Burr., yb^v. fuliginea Schlecht. 
On Bidens pilosa : 
Pretoria, March, 1910; leg. E. M. Doidge (895). 
Potchefstroom, 25/4/12 ; leg. P. van der Bijl (2257). 
Pretoria, 26/4/13; leg. E. M. Doidge (6603). 
On Cosmos hipinnata : 
Pretoria, 31/3/11 ; leg. 1. B. Pole Evans (1301). 
Oidial stage only : — 
? On Senecio sp. : 
Johannesburg, 9/11/09 ; leg. J. Burtt-Davy (774). 
Garstfontein, Pretoria Dist., 8/4/11 ; leg. P. J. Pienaar (473). 
Sphaerotheca pannosa Lev. 
Oidial stage only : — 
On Bosa spp. : 
Pretoria, 31/12/05 ; leg. I. B. Pole Evans (110). 
Piet Eetief, 15/5/06 (120). 
Eustenburg, 6/2/07 (238). 
Silverton, Pretoria Dist., 13/12/07 (436). 
Eustenburg, 21/11/07 (449). 
Portuguese East Africa, 24/5/08 ; leg. C. W. Howard (514). 
On Bosa canina : 
Wellington, CP., 22/2/12; leg. E. M. Doidge (2063). 
On Primus pcrsica : 
Groot Drakenstein, CP., 7/2/12 (2250). 
