TKANSACTI0N8 



ROYAL 

 SCOTTISH ARBORICULTURAL SOCIETY. 



VOL. XXXIV.— PART I. 

 January 1920. 



A. W. BORTHWICK, D.Sc., 



HONORARY EDITOR. 



ROBERT GALLOWAY, S.S.C., 



SECRETARY AND TREASURER. 



EDINBURGH: 



PRINTED FOR THE SOCIETY. 

 SOLD BY DOUGLAS & FOULIS, CASTLE STREET 



Price to Non-Members, 3 - 



LIBRARY 

 NEW YORK 



