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XIII. An Account of the Method of cultivating the American 

 Cran berry (Vaccinium Macrocarpum), at Spring Grove. 

 By the Right Hon. Sir Joseph Banks, Bart. K. B. 

 P. R. S. $c. 



Read March 1, 1808. 



The American Cranberry, the Vaccinium Macrocarpum, 

 has for some years been cultivated with success at Spring 

 Grove, and as the Fruit of it is now become an object of some 

 importance in the economy of the family, a short account of 

 the management of this unimproved Plant will, it is to be 

 hoped, prove acceptable to the Members of this useful So- 

 ciety, and not uninteresting to the Public at large. 



For the better understanding the intended communication 

 it is necessary to premise, that a spring rises in a small grove 

 within the precincts of Spring Grove, which is no doubt the 

 origin of the name ; this spring is carried in leaden pipes into 

 the house, to which it affords an ample supply ; the waste 

 water is suffered to run through a small basin and a pond in 

 the pleasure ground, before it escapes to Smallbury Green ; 

 to this constant supply of fresh water, though it is very small, 

 the great luxuriancy with which water plants of all kinds 

 suitable to this climate, succeed in the pond, is no doubt in 

 some degree to be attributed. 



In the middle of the basin, a small Island has been formed, 

 by supporting a box of oak upon posts driven into the bot- 

 tom ; in the centre of this pond, the waste water which used 



