TRANSACTIONS 



OF THK 



ROYAL 

 SCOTTISH ARBORICULTUKAL SOCIETY. 



JOHN NISBET, D.CEc, 



HONORARY EDITOR. 



A. D. KICHAEDSON, 



ASSISTANT EDITOR 



EOBEET GALLOWAY, S.S.C, 



SECRETARY AND TREASURER. 



VOL. XVIII. 



EDINBUEGH: 



FEINTED FOE THE SOCIETY. 



SOLD BY DOUGLAS & FOULIS, CASTLE STREET. 



1905. 



