Notes and Brief Articles 45 



) 



Program 



President's address J. E. Howitt 



Health and Disease in Plants F. L. Drayton 



Decay in the Timber of Pulp and Paper Mill Roofs.. . R. J. Blair 



(Illustrated with lantern slides.) 



Butt Rots of the Balsam Fir in Quebec Province W. H. Rankin 



Leaf Blight of the White Pine J. H. Faull 



Pseudorhiza of Certain Saprophytic and Parasitic 



Agaricinae. (Illustrated.) A. H. R. Buller 



Evening Program 



Address of Welcome President G. C. Creelman 



Address : Dr. E. C. Stakman 



Education of Plant Pathologists. 



Discussion led by Dr. J. H. Faull 



Program 



Witches'-Broom of the Canada Balsam and the alter- 

 nate hosts of the causal organism R. E. Stone 



Some comparative observations upon the shape of 

 Basidia and Method of spore Discharge in the 

 Uredineae and Hymenomycetes. (Illustrated 



with models and lantern slides.) A. H. R. Buller 



Smut of Western Rye Grass W. P. Fraser 



Address E. C. Stakman 



Some observations made in inspecting for Leaf Roll 



and Mosaic of Potatoes J. E. Howitt 



New or Little-known diseases of potatoes which cause 



the running out of seed P. A. Murphy 



Breeding Beans for Disease Resistance G. P. McRostie 



Combination sprays for Apple and Potato. (By title.) . G. E. Sanders 



Some Data on Peach Yellows and Little Peach L. Caesar 



Fungi New to Ontario A. W. McCallum 



Some Fungi and Plant Diseases comparatively new 



to Ontario R. E. Stone and 



J. E. Howitt 



The following officers were elected for 1920: President, Dr. 

 A. H. R. Buller; Vice-President, Dr. J. H. Faull; Secretary- 

 Treasurer, Dr. R. E. Stone. 



Additional Members of the Council: Professor J. E. Howitt 

 and Mr. F. L. Drayton. 



R. E. Stone 



