SPORE FORMATION IN THE COLONY 4 -6 



changes comparable with those observed in the reduction divisions 

 of higher organisms. 



It is important to point out that mycologists have found it extra- 

 ordinarily difficult to germinate the spores of most fungi. Many are 

 peculiarly adapted to germinate only when exceptionally favorable 

 conditions for their growth occur like Neurospora which requires 

 heat treatment, or a chemical (Emerson, 1948) produced by heating. 

 In this instance the relation is clear for Neurospora grows best in 

 nature after a fire has cleared away the green vegetation and left 

 it without competition. Therefore, the morphological demonstration 

 of spores like that made by Legroux and Magrou is sufficient to es- 

 tablish their existence, whether or not they can be germinated. 



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