184 HARDY CONIFEROUS TREES. 



which undoubtedly had been imported in the leaf-mould and 

 decaying woody matter that had been used for top-dressing, 

 thus showing with what care manures should be added to the 

 soil in which young trees are to be planted. 



The common larch suffers to an inordinate extent in Great 

 Britain from the attacks of the now well - known fungus 

 Peziza Wilkommii, in fact the wide devastation to large 

 plantations of the tree owing to this cause is little short of a 

 national calamity. 



