BY A. G. HAMILTON. 53 



EXPLANATION OF PLATES. 



Plate i. 

 Fig. 1, — Monstrous ordinary leaf. 

 Fig. 2. — Stoma, ordinary leaf. 



Fig. 3. — Epidermal cells, surface view, ordinary leaf. 

 Fig. 4. — Outline of pitcher; a. anterior wing; 6. lateral wing; c. corrugated 



rim. 

 Fig. 5. — Hairs from wings; a. short hair; b. hair with constrictions; c. hair 



with hyphfe and spores. 

 Fig. 6. — Club-shaped, from insertion of lid. 



Fig. 7. — Diagrammatic section of pitcher; Z, lid; cr. corrugated rim; c/. collar; 

 gls. glandular surface; aiv. anterior wing; egl. eglandular surface; 

 glm. lateral gland-mass. 

 Fig. 8. — Small glands; a. two-celled; b. six-celled. 

 Fig. 9. — Imbricated cells, interior of lid, surface view. 

 Fig. 10. — Imbricated cells, interior of lid, in section. 

 Fig.ll. — Very young pitcher. 

 Fig. 12. — Section of young pitcher. 

 Fig. 13. — Section of large glands of gland-mass. 

 Fig. 14. — Cells resembling stomata, gland-mass. 

 Fig. 15. — Section of stoma, exterior of pitcher. 

 Fig. 16. — Front view of young pitcher. 

 Fig. 17. — Undeveloped rim of pitcher. 



Plate ii. 

 Figs. 18, 19. — Photographs of growing pitchers. 

 Fig. 20. — Photograph of section of pitcher { x 2). 



