WINDOW GARDENING 



163 



room. And this is the very thing we do not want. Our case then should be 

 made air tight, for the purpose of not only confining this moisture, but of keep 



ing a constant and abundant supply of it, for the plants must have a COligenJfc] 

 atmosphere of their own and cannot live without the proper moisture. 



You cannot expect your ferns or plants to grow uicyly in this moist atmosphere 



