TREATISE ON THE CULTURE AND 



I have obferved that, contrary to the common opinion, 

 trees are more liable to mildew on South and Weft walls, than 

 on an Eaft wall ; and I have frequently removed fuch trees 

 from a South or Weft wall, to a North or Eaft wall, where 

 they have perfectly recovered. 



Whenever you apprehend danger, wafh or fprinkle the 

 trees well with urine and lime-water mixed ; and when the 

 young and tender fhoots are much infected, it will be 

 neceflary to wafh them well with a woollen cloth dipped in 

 the following mixture, fo as to clear them of all the glutinous 

 matter, that their refpiration and -perfpiration may not be 

 obftructed. 



Take tobacco one pound, fulphur two pounds, unflaked 

 lime one peck, and about a pound of elder-buds ; pour on the 

 above ingredients ten gallons of boiling water ; cover it clofe, 

 and let it ftand till cold ; then add as much cold water as will 

 fill a hogfhead. It fhould ftand two or three days to fettle : 

 then take off the fcum, and it is fit for ufe. 



Of tlic Honey-Dew. 



The Honey-Dew is a fweet faccharine fubftance found on 

 the leaves of certain trees, and is generally fuppofed to fall 

 from heaven like dew : but this is a miftaken opinion. One 

 kind of honey-dew tranfpires from the leaves of the trees 

 where it is found : and the other is the excrement of a fmall 

 inlecl called a vine-fretter, a fpecies of Aphis. Bees and ants 

 are very fond of both thefe kinds of honey- dew. 



As the honey-dew, by its vifcous quality, clofes up the 

 pores, and ftops the perfpiration of trees, it muft of courfe be 



very 



