158 TIMBER AND SOME OF ITS DISEASES [chap 



slightly unhealthy) gave a hollow sound when struck, 

 and the foresteis told me that nearly every tiee was 

 rotten at the core. I had found the mycelium of 



Fig. i6 —Sketch of the base of a young tree (s), killed by Ai^ancus tuelhmy whicl 

 has attacked the roots, and developed rhizomorphs at r, and fructihcitions 1 j 

 the right the fructifications ha\e been traced by dissection to the ihizomorph 

 stiands which produced them 



Agartctis melleus in the rotting stumps of previously 

 felled trees all up and down the same valley, but it 

 was not satisfactory to simple assume that the " rot " 



