HONEY FUNGUS. 



429 



invited to the works of 1\. Hartig,* on which these notes 

 are chiefly founded. 



It is best for the purpose of Forest Protection to distinguish 

 fungi attacking coniferous trees from those attacking broad- 

 leaved trees, and within each group according to the organ 

 attacked (roots, stem, branches, needles or leaves, or fruits). 



A. Root-fungi. 



*1. Annillarea mellea, Vahl. 



a. Description and Mode of AttacJc. 



The honey fungus, formerly named Agancus melleus, L., 



which is one of the commonest in the British Isles, causes a 



a Root of a Scots pine killed by A. 

 mellea, Vahl. a Rliizoniorph, exter- 

 nal to root, wliicli it liores at a. 



Fiff. 



b Flattened rliizoniorph passing between 

 the dead wood and bast of a Scots 

 pine ; its left-hand branches are white, 

 and resemble ordinary niycelia. 

 207. 



well-known disease in conifers. The symptoms are : — Yellow 

 colour in the needles, which gradually dry up, and fall ; the 

 shoots wilt ; the base of the stem swells up, and the bark peels 

 off, whilst turpentine exudes freely, clogging together the soil 

 around the tree ; the bark decays, and librous fungoid tissues 



* " The Diseases of Forest Trees." R. Hartif:^. Translated by Somerville and 

 Marshall Ward. Macniillau ic Co., London, IH'Ji. 



