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ledge of the nature of soils led to the adoption 

 of sand ; as being at least possessed of part 

 of these qualifies; therefore the most proper for 

 this purpose ; which has by its effect proved 

 the correctness of the hypothesis. 



Who it was that first applied sand to this 

 use I know not, but this I am certain of, that 

 for the improvements made in its use, we are 

 highly indebted to the enlightened proprietors 

 of the Hammersmith Nursery ; they having in 

 their extensive collection, carried the use of it 

 to the highest pitch ; as well in the propagation 

 of various other plants, as of heaths, particu- 

 larly those of New South Wales. 



A good deal depends, in my opinion, on the 

 choice of sand for this purpose; many prefer the 

 whitest and finest they can procure ; at all 

 events pit-sand is the most proper ; but from 

 recent observations, I am inclined to think, that 

 its goodness does not depend so much on the 

 colour, as the texture, a lively vegetating sand 

 being, in my opinion, preferable to that of a 

 dead, fine, binding nature, be it ever so white ; 

 but it should be a pure sand, untainted with 

 any mixture whatever. 



The manner of using it, is to have the pot 



