Apr. 1894.] BOTAXICAL SOCIETY OF EDINBURGH. 



211 



for the purpose the same apparatus that was used in the 

 second and thh'd series of experiments on barley. 



In the six following experiments, the carbonic anhydride 

 was absorbed by potassa solution as soon as formed, and 

 the absorption of oxygen by the seeds was noted from 

 time to time, as in the second series of experiments with 

 barley : — 



Table of Experiment.\l Results. 



