96 JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



districts, in order to secure plants of hardy constitution. In 

 suburban gardens the builders, in the first place, commit a serious 

 error in selling off the land the turf and best of the soil, thus 

 not giving the future garden a fair chance. In addition to Pinus 

 excelsa, mentioned by Dr. Masters, Mr. Hudson had proved that 

 both P. austriaca and P. Cembra, with its dwarf form, were quite 

 reliable near London, so also, except in the worst of positions, is 

 the Deodar ; but the Cedar of Lebanon does not thrive so well. 

 Ehododendrons do not thrive well, the best being B. ponticum 

 and B. Evcrestianum. Of the former, Mr. Hudson preferred 

 seedlings to any others, so as to gain extra vigour. Hedera 

 dentata is worthy of more notice than it receives. Ehododen- 

 drons should always be carefully planted in and about towns in 

 such a way that they can be well supplied with water. When 

 on mounds, this cannot be done. 



Mr. W. Roupell, having had some experience in plant- 

 ing trees "in London, said he would venture to make a few 

 remarks on the subject. In selecting trees it is necessary 

 to consider how far prevailing winds carry the smoke in 

 certain directions, as it is found that in the smoky districts 

 trees do not flourish so well as in non-smoky localities. If he 

 were forming a list of trees, &c, to be planted in towns he 

 would strike out the names of those that did not succeed, which 

 would be a less task than giving a list of those plants that 

 would grow, and he ventured to say the greater number would 

 grow in towns. In the disused burial-ground in Lambeth, and 

 also in Kennington Park, there are many trees which exist and 

 are in fine condition. In the east end of London there is a 

 garden attached to St. Philip's Vicarage, which was interest- 

 ing enough to deserve a visit from anyone studying this sub- 

 ject. It would be seen that although much depended on situa- 

 tion and soil, still a great deal was due to the care bestowed on 

 the plants. Trees do much better if washed occasionally, and 

 the foliage should therefore always be kept clean, if possible, by 

 this means. He agreed with Mr. Wythes that woolly-leaved 

 trees should be avoided because they were hard to clean. The 

 Tulip-tree (Liriodendrtm Tuliyifcra) and Catalpas did perfectly 

 well within five miles of Charing Cross. Most Rhododendrons 

 will thrive in a suitable soil, the lack of which much more than 

 smoke was the cause of their failure. If the soil is good there 



