THE STORAGE OF RESERVE MATERIALS 247 
protoplasmic framework, in the meshes of which the oil is 
formed, much as it ig in the protoplasm of the seeds already 
described. 
All these bodies, when acted upon by a process ana- 
logous to the digestion known in the animal kingdom, are 
converted into materials which can directly nourish the 
living substance, or can be transported easily about the 
plant in a condition of which the latter can readily take 
advantage, needing indeed very little constructive change 
to fit them for actual assimilation, 
