170 Wormald . — ‘ Brown Rot ’ Diseases of Fruit Trees. II. 
(8) The American form of Monilia is more nearly related to M. cinerea 
than to M. fructigena , but in cultures it can be distinguished from the 
European form of M. cinerea by its mode of growth in cultures and by the 
numerous fructifications it produces on all the culture media on which it has 
been grown. 
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