JOURNAL 



OF THE 



ROYAL HORTICULTURAL SOCIETY 



ESTABLISHED W^Jm^F ROYAL CHARTERS 



A.D. 1804 ^^^9^^ A.D. 1809, 1860, 1899 



EDITED BY 



R J. CHITTENDEN, F.L.S., V.M.H, 



AND 



REV. W. WILKS, M.A., V.M.H. 



VOL. XLVI. 



1920-21 



The whoU of the Contents of this Volume are Copyright. For permission to reproduce 

 any of the Articles application should be made to the Council of the Society. 



LONDON 



SOLD BY 



THE ROYAL HORTICULTURAL SOCIETY, R.H. HALL, VINCENT SQ.,. S.W. 1. 



