DISEASES OF PLANTS 



Induced by Cryptogamic Parasites 



hitrodiiction to the Study of 

 Pathogenic Fungi, Slime-Fu?igi, Bacte7'ia, & Algae 



BY 



Dr. KARL FREIHERR von TUBEUF 



I'KIVATDOZENT IN THE UMVEKSITV OF MUNICH 



English €i)iti0u bj) 

 WILLIAM G. SMITH, B.Sc, Ph.D. 



LECTURER ON PLANT PHYSIOLOGY 

 UNIVERSITY OF EDINBURGH 



THREE HUNDRED AND THIRTY ILLUSTRATIONS 



LONGMANS, GREEN & CO. 



LONDON, NEW YORK, AND BOMBAY 

 1897 



Ail rights resenied 



