Favolus europaeus is a frequent plant in the United States, usually 

 on hickory branches. It is a spring plant and found in its best devel- 

 opment in June, when one often finds very bright specimens. As the 

 season advances the plants lose their bright cuticle, become pale, and 



^ 



J 



Fig. 256. 

 Favolus europaeus. One with the fibrils partially separated. Also pores (x 6). 



are usually eaten by beetles, so that by midsummer the plant generally 

 disappears from our woods. As we have no other species of Favolus 

 in our Northern States, it is easily known by the pores. These are 

 constant, as far as I have observed in the United States, but I have 

 seen specimens from Italy tending toward Lenzites. 



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