U. S. DEPARTMENT OF AGRICULTURE. 

 BUREAU OF PLANT INDUSTRY— BULLETIN NO. 171. 



B. T. GALLOWAY ::^reau. 



SOME FUNGOUS DISEASES OF 

 ECONOMIC IMPORTANCE. 



[.-MISCELLANEOUS DISEASES. 



BY 



FLORA W. PATTERSON, Mycologist, 



AND 



VERA K. CHARLES, Scientific Assistant. 



II -PINEAPPLE ROT CAUSED BY THIELAVIOPSIS 



PARADOXA. 



BY 



FLORA W. PATTERSON, Mycologist, 



AND 



VERA K. CHARLES AND FRANK J. VEIILMEYER. 



Scientific Assistants. 



Issued June 23, 1910. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE, 

 1910. 



