CH. IV, 8] 



RESPIRATION OF PLANTS 



163 



Second, not only carbon dioxide but also water is released 

 by the germinating seeds. Thus in the growth of seeds, 



FIG. 115. A respiroscope ; X \. While the seeds are germinating, the 

 chamber is kept closed by the smaller rubber stopper and clamp, though 

 these are removed in applying the test. 



oxygen is absorbed and carbon dioxide and water are 

 released. This, however, is precisely what occurs in the 

 respiration of animals, including mankind. The process in 



