PLATE XIV 
beech (Fagus sylvatica) with dense twiggy outgrowths seated 
ON SWOLLEN BARTS OF THE TRUNK AND LARGER BRANCHES. THEY 
ARE SUPPOSED TO HAVE BEEN CAUSED BY MITES ( F.riophyeS ). THE 
IMMUNITY OF THE LOWER PART OF THE TRUNK IS PROBABLY DUE 
TO CATTLE RUBBING AGAINST IT 
