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tiddled with these « target boards” that the growth of the crop 
was stopped and the plants practically killed, showing only a little 
sreen at the top of the stems. The parasitism of this species was 
fully proved by experiments which are described in detail in the 
report above mentioned. | : re 
To state the case in a word, healthy plants under normal out- eS 
of-door conditions were successfully inoculated with ‘spores from a 
Pure culture made in the University of Vermont Laboratory. _ 
