222 



FUXGI AXD rUXGICIDES 



spread of the disease during the next season ; but the 

 application of fungicides seems impracticable.*' 



Literature. — The most complete account of this 

 disease in American literature is that of Miss Howell, 

 referred to above, which is found in Bulletin 24z of the 

 Cornell Experiment Station. Professor Pammel has 

 discussed it in Bulletin Xo. 13 of the Iowa Station ; and 

 various notes concerning it have been published elsewhere. 



