CHAPTER II. 



THE INFLUENCE OF PLANTS IN ROOMS, 



HE wise Giver of all good things has 

 established the close and loving 

 inter-dependence of animals and 

 plants. Nothing in creation, as we 

 all of us who have studied the marvellous works of 

 the Almighty know, is ever wasted. Everything has 

 its proper use everything fulfils its allotted pur- 

 pose. Plants and animals, for instance, are per- 

 petually ministering to each other's necessities. 

 The ' vital air' of animals is oxygen, which gives 

 colour to the blood, infuses health into the 

 system, and to the coimtenance of man gives 

 the ruddy glow, which is health's indicator. 

 But after we have inspired oxygen, we respire 

 what is to us a poison formed by the combi- 



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