PROTOPLASM OF NUCLEUS WITH 1'AKT OF SURROUNDING PROTOPLASM, 

 FROM GANGLION CELL OF AN OX. (From Butschli.) 





Photo: J. J. H'arJ. 



SECTION OF THE HEART OF A PINE BUD 



Showing the growing point where the cells are dividing to form other 

 cells which become modified and specialised to carry on the various func- 

 tions of the plant. 



