556 Mr. MiERS on some new Brazilian Plants. 



k. Capsule, in a state of dehiscence. 



/. Ditto, having shed all its seeds. 

 m. Ditto, with the persistent perianthium cut open, to show the cohesion of 

 the summit of the style. In these last two fig-ures the placentae are 

 seen, as well as the peculiar protuberances at their summit in the 

 conical portion of the ovarium, which assist in the dehiscence of the 

 apex : these protuberances are also present in the capsules of Dicty- 

 ostega and Apteria. 



n. Seed, greatly magnified ; the testa being opake. 



0. Nucleus. — All more or less magnified. 

 Fig. 5. Apteria lilacina. 



a. Flower, expanded. 



b. Ditt6, cut open, to show the stamens and pistillum. 



c. Stamen, with its supporting hollow sac cut away from the perianthium, 



seen in front. 



d. Ditto, ditto, seen sideways. 



e. Ditto, with its winged appendages, still further magnified, showing the 



mode of dehiscence of the anther. 



f. Pistillum. 



g. Stigmata, still more magnified. 



h. Ovarium, cut transversely, to show the placentation and disposition of 



its seeds, 

 i. Capsule, with the marcescent perianthium. 



k. Ditto, with the perianthium removed, to show the mode of dehis- 

 cence. 

 /. Ditto, cut open, to show the placentae and the protuberances at their 

 summit, 

 m. Seed, greatly magnified. 

 n. Nucleus. — All more or less magnified. 

 Fig. 6. View of the inner wall of the capsule of Dictyostega orohanchioides. 

 Fig. 7- Ditto of the capsule of a species of Chhrcea from Chili. 



