Section 3. 



formation and growth of cells . . 56 



1. Free Cell-formation 56 



1. Free Cell-formation from a nucleus . . 56 



2. Free Cell-formation without a previous nucleus 58 



2. Cell-division 58 



1. Cell-division without absorption of the walls 



of the parent cell 58 



2, Cell-division with absorption of the walls of 



the parent cell 60 



CHAPTER 2. 



GENERAL MORPHOLOGY OF THE PLANT 



63 



CHAPTER 3. 



ORGANS OF NUTRITION OR VEGETATION . 



69 



