TRANSACTIONS 
OF THE 
ROYAL 
SCOTTISH ARBORICULTURAL SOCIETY. 
HONORARY EDITORS. 
Part I. Part II. 
JOHN NISBET, D.C&c. Lizut.-CoL, F. BAILEY, F.R.S.E. 
ASSISTANT EDITOR. 
A, D. RICHARDSON. 
SECRETARY AND TREASURER. 
ROBERT GALLOWAY, S.S.C. 
VOL. XIX. 
BHDINBU RG E: 
PRINTED FOR THE S@iienrT y. 
SOLD BY DOUGLAS & FOULIS, CASTLE STREET. 
1906. 
