TRANSACTIONS 



OF THE 



ROYAL 

 SCOTTISH ARBORICULTURAL SOCIETY. 



VOL. XXXV.— PART I. 

 September 1921. 



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/- 



NOV 1 6 B72 



