TABLE OF CONTENTS 



Page 



Part I. Biologic Forms 7 



Historical 7 



Experimental 10 



Methods 10 



Experiments with Puccinia graminis hordei 12 



General statement 12 



Inoculations on rye 12 



Inoculations on oats 13 



Inoculation after the use of anesthetics 13 



Inoculations on wheat 14 



Summary of inoculations with Puccinia graminis hordei. . . 15 



Experiments with Puccinia graminis avenae 15 



General statement 15 



Inoculations on rye 15 



Inoculations under ordinary conditions 15 



Effect of high fertilization 16 



Effect of anesthetics 16 



Effect of leaf injury 16 



Inoculations on wheat 17 



Inoculations under ordinary conditions 17 



Effect of anesthetics 17 



Effect of manure 18 



Effect of leaf injury 18 



Summary of inoculations on wheat. 18 



Inoculations on barley 19 



Inoculations under ordinary conditions 19 



Inoculations after exposure to anesthetics 19 



Summary of inoculations made with Puccinia graminis 



avenae 19 



Experiments with Puccinia graminis secalis 20 



Inoculations on wheat 20 



Inoculations on oats 20 



Inoculations on barley 20 



Inoculations on einkorn 21 



Experiments with Puccinia graminis tritici 21 



Inoculations on barley 21 



Inoculations on rye 21 



Inoculation under ordinary conditions. . , 21 



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