Investigations in the General Field of 



MYCOLOGY. 



Continuation of the Moulds and Yeasts, 



BY 



DR. OSCAR BREFELD. 



Part XIII. 



Smut Fungi (Hemibasidia IV). 

 (Continuation of Parts V, XI and XII). 



Contents 



O. BREFELD, R. FALCK, Blossom Infection by Smuts and 



Natural Distiibution of Smut Diseases. 



With Two Phototype Plates. 



MUNSTER i. W. 

 PUBLISHED BY HEINRICH SCHONINGH. 



