OP THE COTYLEDONS, 93 



any other agent interferes ; since hay, when it happens 

 to imbibe moisture, exhibits nearly the same proces- 

 ses." 



I conceive the evolution of this heat tnay powerfully 

 further the progress of vegetation by stimulating the vi- 

 tal principle of the embryo, till its leaves unfold and as- 

 sume their functions. It is necessary to observe, that 

 the above process equally takes place, whether the farin- 

 aceous particles be lodged in the bulk of the cotyledons 

 themselves, or compose a separate body, called by au- 

 thors the albumeriy as in grasses and corn. 



