THE ROOT 



99 



happening quite lately : somebody- of your acquaintance 

 feels ill, the illness being accompanied, among other 

 symptoms, b}' an unusual pallor. A doctor is sum- 



FlG. 28. 



moned. He begins at once by examining the gums, 

 and then prescribes pills or medicine. The patient takes 

 the medicine and after a time regains his healthy 

 appearance. The remedy contains iron. The same 



