TRANSACTIONS 



OF THE 



ROYAL 

 SCOTTISH ARBORICULTURAL SOCIETT. 



A. W. BORTHWICK, D.Sc, 



HONORARY EDITOR. 



EGBERT GALLOWAA^ S.S.C., 



SECRETARY AND TREASURER 



VOL. XXVIII. 



EDINBURGH: 



PR IX TED FOR THE SOCIETA'. 



SOLD BY DOUGLAS ^ FOULIS, CASTLE STREET 



1914 



