OF THE PINE-APPLE* MS 



or elsewhere ; but the seven sorts of insects last 

 mentioned, are likely to continue to perplex and 

 give the gardener everlasting vexation ; parti- 

 cularly the Acarus and Thrips, which are the 

 most pernicious. They are natives, abound in 

 every garden, and in warm dry weather are pos- 

 sessed of such agility, that supposing a hot-house 

 perfectly clear of them to-day, it may probably not 

 be so to-morrow ; and when once these intruders 

 have entered into possession, their increase is so 

 rapid, that they soon become exceedingly nume- 

 rous. 



On Fumigating the Hot-house. 



The method of performing this operation, either 

 by the bellows or smoking-pot, . is so generally un- 

 derstood, that a description may here seem unne- 

 cessary. I shall, nevertheless, give a few hints on 

 the subject, which I trust will be of service. 



First, The most eligible seasons for fumigating 

 the hot-house are the spring and autumn ; when, 

 if need require, it should be repeated every eight 

 or ten days. In the summer it sometimes happens 

 that this operation is attended with inconvenience 

 from the heat of the weather, but more especially 

 when Vines grow in the hot-house ; for at the time 

 their fruit is near ripe, it would be liable to give it 

 a smoky flavour. 



Fumigation is best performed late in an evening, 

 and proves most efficacious when the weather is 

 moist and calm \ for the smoke is retained much 



z 4 



