V3‘d 
JOURNAL 01? THE HOYAf, HOUTlOELTEfiAL SOCIETY.. 
and is very rugged and 4 irregular, rising into all manners of shapes, 
and where solid of a greatly increased thickness. The wood under 
the diseased bark is eaten away as it were, and cavities are formed 
leading to the very centre of the stem in advanced stages of the 
disorder. These cavities are generally lined with the discoloured 
diseased bark, and are well defined, and have the adjoining wood 
of a healthy character to all appearance. The drawings, which I 
have made with much care, will better illustrate the character of 
the disease than any description I can give; but it will be well to 
refer to them more particularly, and make some further observa¬ 
tions on the facts they show. 
Tig. 1 is a young branch from the 'Watcombe tree of about 
Fia. 1.— Natural size. Fig. 2.—Natural size. 
