WINDOW GARDENING 



ing green coloring matter, and in nearly all 

 house plants the seat of this activity is in the 

 leaves. The leaves, then, are organs for secur- 

 ing the proper light relation and the aim of the 

 plant seems to be to place them in the position 

 to secure the most light, or at least to secure the 

 amount best suited for its development. 



Where the light is cut of¥ from the leaves they 

 become functionless and as a result soon turn 

 yellow and die. The ability to use raw food- 

 materials and to convert them into true foods 

 is lessened with the reduction of the amount of 

 light and the parts of the plant which first suffer 

 are the older and mature leaves. As the vitality 

 of the plant is reduced, leaf after leaf drops and 

 soon nothing is left but the stems and a few 

 leaves at the top which are doing their best to 

 live under the adverse conditions. The beauty 

 of the plant is gone. 



EFFORTS TO SECURE LIGHT 



The movement of the leaves, then, is toward 

 the light, and, when a plant stands continually 

 in one position and receives the light from one 



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