TRANSACTIONS 



OF THE 



ROYAL 

 SCOTTISH ARBORICULTURAL SOCIETY. 



VOL. XXXIV.— PART II. 



November 1920. 

 A. W. BORTHWICK, D.Sc, 



HONORARY EDITOR. 



ROBERT GALLOWAY, S.S.C., 



SECRETARY AND TREASURER. 



EDINBURGH: 



PRINTED FOR THE SOCIETY. 



SOLD BY DOUGLAS <fc FOULIS, CASTLE STREET. 



Price to Non-Members, 3 - 





