15(5 



STUDIES OF TREES 



body of the tree in all direct ions and absorl) its food. The 

 mycelium is the most important part of the fungous growth. 

 If the fruiting body is removed, another soon takes its 

 place, but if the entiie mycelium is cut out, the fungus 



Fig. 109. — The Fruiting Body of a Fungus. 



will never come back. The fruiting body of the fungus 

 bears the seed or spores. These spores are carried by the 

 wind or insects to other trees where they take root in some 

 wound or crevice of the bark and start a new infestation. 

 The infestation will be favored in its growth if the spore 



