CH. II.] THE ROOTS. 75 



goniums transpire from t^-o to three times as much 

 as those varieties ■which have smaller and less 

 abundant foliage. 



The want of a few suggestions for the cultivation 

 of plants in rooms has been so often brought to my 

 notice that the subject may be here glanced over, 

 especially as it \nll afford the opportunity for a few 

 remarks upon potting generally. 



Plants growing in pots, placed in our dwelling- 

 houses, may be as successfully cultivated as other 

 plants placed in green houses. It is quite time that 

 they very rarely are so cultivated ; but this does not 

 prove that such success is impossible — it demon- 

 strates no more than that either the cultivation is 

 more difficult, or is less judiciously attended to, or 

 that both these sources of failure attend upon our 

 room plants ; and that they do suffer from both, is 

 the actual truth. 



As the plants are placed in or near ^vindows, there 

 is no injurious deficiency of light, but as it comes to 

 them most intensely on one side, they should be half 

 turned romid eveiy day, that their heads may have a 

 uniform appearance, and the leaves be not directed 

 only in one direction. If the window faces the 

 south, the intense heat and light should be mitigated 

 during the middays of the summer months by lower- 

 ing the blind. 



Whenever the outdoor temperature is not below 



