196 Scientific Proceedings, Royal Dublin Society. 



Plate X. 

 Pig. 



12. Lodoicea sechellarum. Transverse section of haustorium. en., remains 



of endosperm; ep., epidermis; i.s., intercellular space filled with slime 

 from endosperm; t., tubule in intercellular space. X 335. 



13. Lodoicea sechellarum. Transverse section of haustorium. en., remains of 



endosperm; t., enlarged end of tubule filling intercellular space under 

 epidermis (ep.). 



14. Lodoicea secliellarum. Transverse section of haustorium. en., reniains of 



endosperm; t., end of tubule filling sub-epidermal intercellular space 

 and emerging between two epidermal cells (ep.). X 550. 



15. Phcenix silvestris. Longitudinal section of more mature haustorium and 



petiole (p.). v.b., vascular bundles; i.s., intercellular space. X 7. 



Plate XT. 



16. Phoenix dnctylifera. Distal surface of young haustorium, showing de- 



veloping vascular bundles (v.b.) through the outer tissues. X 24. 



17. Phoenix dactylifera. Proximal surface of young haustorium and transverse 



section of petiole, v'.b'., vascular bundles in section, and v.b., through 

 the outer tissues. X 24. 



18. Phoenix dactylifera. Transverse section of vascular bundle in petiole of 



young cotvledon. s.s., sclerenchvmatous sheath; p., phloem; x., xylem. 

 X 380. 



19. Phoenix dactylifera. Transverse section in young haustorium. ep., epi- 



dermis; p., phloem; X., xylem. X 380. 



