FUNGOUS DISEASES OF 

 PLANTS 



WITH CHAPTERS ON 



PHYSIOLOGY, CULTURE METHODS 

 AND TECHNIQUE 



BY 



BENJAMIN MINGE jDUGGAR 



PROFESSOR OF PLANT PHYSIOLOGY IN THE NEW YORK STATE 

 COLLEGE OF AGRICULTURE, CORNELL UNIVERSITY 



GINN AND COMPANY 



BOSTON NEW YORK CHICAGO . LONDON 



