LONDON AND SUBURBS. 59 



available to plant all kinds of trees in, and after 

 setting the trees in the order, and in the positions they 

 ought to occupy so that they may grow, then, as I 

 have the money, I can always build the most hand- 

 some Castle in one year, and even a shorter time, 

 when I [T. I. p. 442] choose to do so, which it would 

 take a poorer man 10 years to build, but to effect so 

 " much as that a single tree shall take root and grow as 

 much in one year as it would otherwise grow in ten, 

 " that can I never effect with money, but Nature must 

 " have its time ; therefore he who intends to build a 

 " house, and lay out a garden round it, ought to make 

 " a beginning with planting trees to gain time." 



In the evening we went back to London, together 

 with Dr. Mitchell, Mr. Watson, and several other 

 naturalists, who had been out at the Duke's this day. 



The 2,0th May, 1748. 

 During the whole of my visit to England, both before 

 and after the date just given, I made numerous observa- 

 tions not only on the cultivation of meadows, but on the 

 plants of which the hay and grass growth in their 

 meadows particularly consists, and which plants are the 

 most profitable in their meadows on various kinds of 

 soil ; which plants horses, donkeys, cows, sheep, swine, 

 and other animals usually eat ; and which, on the con- 

 trary, they reject, and always pass by ; with several other 

 CEconomico-Botanical observations ; but, as they would 

 take up too much room in a description of travels, they 

 are left for another occasion to be published either in 

 Academic Disputations or under some other name. 



The 2nd June, 1748. 



Plants useful for sowing on the sides of Earth-walls, to 

 fasten the mould by. 

 I have several times before mentioned, that in several 



