^D 
UNITED STATES DEPARTMENT OF A^RJ^ULTUI^ 
BULLETIN No. 22K. <Vv 
Contribution from the Bureau of Plant IndustryV ^^^ 
WM. A. TAYLOR, Chief 
Washington, D. C. 
PROFESSIONAL PAPER 
August 23, 1915. 
THE TOXICITY TO FUNGI OF VARIOUS OILS 
AND SALTS, PARTICULARLY THOSE USED 
IN WOOD PRESERVATION 
By 
C. J. HUMPHREY, Assistant Pathologist, and RUTH M. FLEMING, 
Scientific Assistant, Office of Investigations in Forest Pathology 
CONTENTS 
Page 
Introduction 1 
Historical 2 
Tests Conducted at the Forest-Products 
Laboratory 14 
Toxicity to Fungi of the More Important 
Preservatives 31 
Summary „ 35 
Bibliography 37 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1915 
n 
