610 



Transactions. 



en. 



nu 



m. 



en. 



ar 



i.n.v. 



16 



Fig. 14. — Longitudinal section of embryo-sac (female^flower), showing early stages in 

 development of endosperm before the appearance of an embiyo. X 175. 



Fig. 15. — Longitudinal section of ovule (female flower), showing continuous endosperm 

 and no embryo. X 28. 



Fig. 16. — Longitudinal section of ovule (female flower), showing early invaginations 

 of integument, also arillus. X 28. 



f.v.b 



e n. 



18 



Fig. 17. — Longitudinal section of ovule, showing fibro-vascular strands 



traversing the endosperm. X 28. 

 Fig. 18. — Fibro-vascular strand. X 175. 



