TREE AND SHRUB GROWTH IN LONDON 189 



amiss to it, and, sending out suckers freely, 

 it is readily reproduced. 



Than the COMMON HAWTHORN and the 

 TANSY-LEAVED FORM (Cratcegus tanaceti- 

 folia) few small growing trees are more suit- 

 able for planting in our smoky towns. In 

 London it is surprising at what a number of 

 smoke-infested, dirty districts, the Common 

 Hawthorn is to be found growing in what, 

 at least, must be described as a fairly satis- 

 factory condition. Even amongst the tanner- 

 ies at Bermondsey and the factories at Strat- 

 ford, places hard to beat for smoke and smell, 

 the Thorn thrives well, and each Spring dons 

 a wealth of foliage that is quite surprising. 

 The Tansy-leaved Thorn is equally suitable 

 for smoky localities, and the Cockspur Thorn 

 seems healthy and happy at the Tower of 

 London. 



THE SYCAMORE (Acer Pseudo- plat anus). 

 This is an excellent tree for planting in 

 smoky localities, and may be found in a flour- 

 ishing condition in almost every part of the 

 metropolis. Even where the noxious eman- 



