U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY BULLETIN No. 32. 



K. T. (iAl.l.tiWAY, (•//iVi.//.'i(i<(iu. 



A DISEASE OF THE WHITE ASH CAUSED BY 

 FOLYPORUS FllAXINul'HILUS. 



KY 



IlKUMAXX VON SCHHKNK. 

 Special Acext ix Chau<;k of thk Mi.s.si.s.sii'pi Valley 



LABOHATOin . 



VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL 

 INVESTIGATIONS. 



Is.snEi) Febkiaky 28, 190:^. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



lyoa. 



