FIG. i. 



D 



FIG. 2. 



FIG. 3. 



FIG. 4. 



A VANILLA FLOWER TO ILLUSTRATE THE METHOD OF ARTIFICIAL 

 FERTILISATION. 



FIG. i. FLOWER OF VANILLA. , 



A. Labellum. B. End of Column. 



FIG. 2. ENLARGED VIEW OF TOP OF COLUMN. 

 C. Anther covered with hood. D. Stigma. E. Lamellum. 



FIG. 3. ENLARGED SECTION THROUGH TOP OF COLUMN. 

 D. Stigma. E. Lamellum. P. Pollen masses. 



FIG. 4. ENLARGED SECTION THROUGH TOP OF COLUMN. 



D. Stigma. S. Stigmatic surface. P. Pollen mass adhering to viscid stigmatic 

 surface. E. Lamellum pushed up under the anther, which has the hood attached. 



