TRANSACTIONS 



OF THE 



ROYAL 

 SCOTTISH ARBORICULTURAL SOCIETY. 



A. W. BORTHWICK, D.Sc, 



HONORARY EDITOR. 



ROBERT GALLOWAY, S.S.C, 



SECRETARY AND TREASURER. 



VOL. XXIX 



E Dl N B U R a H : 



PRINTED FOR THE SOCIETY. 



SOLD BY DOUGLAS & FOULIS, CASTLE STREET. 



1915. 



iLIBRARY .\£W YOr.K BOTANICAL GARDEN 



