246 i/r Grego7^y, Note on the Histology of the Giant, etc. 



Fig. 9. Nuclei from the same layer. The nuclei shown were the 

 six largest to be found in the serial sections of four or five ovules of the 

 Ordinary form, x 3200. 



Fig. 10. Pith cells and primary xylem from a T. S. of the flowering- 

 stem of the Ordinary form, x 210. 



Fig. 11. The same in the Giant form, x 210. 



Fig. 12. Cortical cells from a T. S. of the flowering-stem of the 

 Ordinary form, x 210. 



Fig. 13. The same in the Giant form, x 210. 



