242 Transactions of the Boyal Society of South Africa. 
Pretoria, 15/2/07 ; leg. I. B. Pole Evans (270). 
Kentani, CP., 5/3/13; leg. A. Pegler (6581). 
On Cucimnis sativus : 
Pretoria, 9/1/14 ; leg. A. Bottomley (7373). 
On Cephalandra palmata : 
P. P. Eust, 12/3/06 ; leg. J. Burtt-Davy (132). 
On Momorclica clementidea : 
Warmbaths, 18/3/09. 
On Nicotiana Tahacum (Oidiuin Tabaci Thuem) : 
Tzaneen, Zoutpansberg Dist., 1906; leg. J. Burtt-Davy (135). 
Piet Eetief, August, 1906 (184). 
Pretoria (190). 
Daspoort, Pretoria Dist., 11/3/07 ; leg. D. Gunn (258). 
Grahamstown, 5/3/07 ; leg. W. E. Dewar (276). 
Barberton, May, 1907 (398). 
Mozambique, 29/10/08 ; leg. C. W. Howard (643). 
Eustenburg, 18/3/12 ; leg. P. van der Bijl (2197). 
Erysiphe gramiiiis D.C. 
On Triticum vulgarc : 
Buffelsvlei, Lydenburg Dist., 23/9/14 (8374). 
Oidial stage only : — 
On Hordcum vulgare (Cape Barley) : 
Wonderboom, April, 1906 ; leg. 1. B. Pole Evans (37). 
On Hordeum vulgare (Thibet Barley) : 
Mycologist's Greenhouse, Pretoria, 8/1/07 (215). 
On Hordeum vulgare (Chevalier Barley) : 
Mycologist's Greenhouse, Pretoria, 8/1/07 (243). 
On Avena sativa : 
Mycologist's Greenhouse, Pretoria, 8/1/07 (214). 
Fhyllactinia corylea (Pers.) Karst. (Plates XXXIV., XXXV.) 
On Gomhrctum Zeyheri : 
Muckleneuk, Pretoria, 29/4/11 ; leg. E. M. Doidge (1506). 
Letaba Drift, Zoutpansberg Dist., 6/8/11 ; leg. E. M. Doidge 
(1806). 
On Bhus incana : 
Garstfontein, Pretoria Dist. ; leg. P. J. Pienaar, 24/5/11 (1533), 
14/5/13 (6662). 
On BJius discolor : 
Grootfontein, Harrismith Dist., 17/5/12 ; leg. P. van der Bijl 
(2317). 
