TRANSACTIONS 



OF THE 



KOYAL 

 SCOTTISH ARBORICULTURAL SOCIETY, 



A. W. BORTHWICK, D.Sc, 



HONORARY EDITOR. 



EOBEKT GALLOWAY, S.S.C, 



SECRETARY AND TREASURER. 



VOL. XXXVIIL 



EDINBURGH: 



PRINTED FOR THE SOCIETY. 



SOLD BY DOLGL^S k FOULIS, CASTLE STREET. 



192L 



