CH.I FERTILISATION AND EMBRYOLOGY 7 



cot. 



s.s.rv p-p-n- 

 en. ^dJL 



mcp.--f= 





of' 

 cot''. 



pt. 



ep. 

 6 cut: 





W.LB.dol. 



FIGS. 1 to 7. OVULE, SEED, AND- LINT. 



