114 THE FORCING GARDENER. [B, I, 



be taken to keep the bunch clear of any 

 which, from damp, bruifes, or the bites of 

 wafps, or any other infedts, may begin to 

 mould, as thereby the whole clufter will be 

 quickly afleded and entirely fpoiled. 



Grapes of all kinds fhould hang on the 

 tree till dead ripe, particularly the thick- 

 fldnned ones. 



SECTION X. 



On tie Infefts which infefl tie Grape-Houfe ; and how to 

 deftroy them. 



THESE are, the green fly, thrips, re4 

 fpider *, and wafp. 



The two firft are eafily deftroyed by a 

 fumigation of tobacco. The third are kept 

 under by the engine in Summer ; and effec-r 

 tually deftroyed, as direded in page 62, in 

 Winter. The laft, by the deftrudion of 

 their nefts f , phials filled with honey and 



water, 



* Frontinacs are more fubjed to the red fpider than 

 moft other forts ; and all kinds are more fo in the pine 

 or dry ftove, than in the Grape-houfe. 



f The moft effectual method of deftroying the nefts of 

 wafps is this : JViake a fquib-cafe of cartouch paper, 

 pafteboard, or of a ftrong ftem of hemlock j mix up com- 

 le matter fufficient, of gunpowder and fulphur, to 



fill 



