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and if that is not possible, it ^vill be well to reduce 

 the steam or other moisture, and to give a little addi- 

 tional heat by the means before stated ; so that if the 

 plants cannot be dried in 24 hours, they may in 48 

 hours. Plants, swelling their fruit, will require less 

 air than young plants, as they cannot be drawn up 

 weak from want of it. In the morning, air is admit- 

 ted, when the mercury indicates 75 to 80 degs., in 

 such quantity as not to reduce the temperature below 

 that point ; it is injurious to lower the temperature 

 by admitting air, and better to prevent its rise by 

 giving air early, and allowing it to increase gradually 

 to 90 degs., when more air may be given, but not so 

 much as will reduce the temperature below that point. 

 The plants with this heat will have become quite dry 

 by 10 or 11 o'clock a.m., when they should be sprin- 

 kled with water warmed to 80 degs., so as to fill the 

 base of their leaves. Mr. Mills then recommends 

 them to be shaded, and the quantity of air reduced so 

 as to retain in the structure 90 degs. of heat. But 

 we cannot agree with this practice of sprinkling pine 

 plants in the fore part of tlie day, after the sun has 

 shone on them for some hours, and then to shade 

 them. Indeed this appears very much departing 

 from nature's laws, instead of assisting to enforce 

 them. Circulate or disperse a kindly vapour through- 

 out the interior atmosphere, but do not shade. Ad- 

 mit air freely, and shut up in pretty good time in the 



