OF THE CUCUMBER. 79 



their proper climate. But lefs violent changes than 

 thefe are able to produce the like efFeds, at lead in 

 fome degree ; for the fevcral parts of Europe are 

 able in time to alter the qualities of the fame plants 

 even while it grows natural in them. 



The differences made by varieties of climates upon 

 plants are not always confined to diilance of place, 

 but even in the fame country the climate differs 

 greatly in different years by means of accident ; and 

 more or lefs heat, and more or lefs moiflure, will 

 do as much violence to plants lometimes as change 

 of place, which operates only by means of the fame 

 agents. The effed: of different cHmates in changing 

 the nature of things produced in them, is not con- 

 fined to plants only, but the animal kingdom alfo 

 Ihares in it. 



A cucumber plant delights in fweet wholefome 

 air ; but if the air in which it grows be contami- 

 nated, unhealthy, or impure, the plant will not con- 

 tinue long in a healthy fiouriihing condition. 



Whatever is difagreeable to the fmell becomes in 

 time hurtful to the cucumber plant ; therefore, who- 

 ever would wiih to know if the air In a cucumber 

 frame be of a healthy nature for the plants, fhould 

 fmell to it. 



All the materials of my newly-invented bed are 

 clean and fweet ; and the flues being made perfedly 

 clofe, no tainted or bad-rnielling air can get through 

 them into the bed, fo that h is of little or no concern 

 whether the dung of the linings be fweet or otherwife, 

 or whether the limngs be made of dung or of any 



thing 



