ROYAL PARKS, ENGLAND : MANAGEMENT AND ORGANISATION. 283 



Another tree that seems to defy the climate of London as well as the 

 Plane is the Poplar, and especially the Canadian Poplar, of which we 



Fig. 155 The Dell, Hyde Park. 



have planted large numbers in recent years. On Primrose Hill, one of 

 the very worst places I know for trees even in London — a stiff cold clay 



B 2 



