DESCRIPTION OF THE PLATES. 



pistil. Fig. 5, corolla cut open, showing tte stamens : all nat. size. Fig. 6, anthers 

 seen in front and behind, before dehiscence. Fig, 7, the same after dehiscence. Fig. 8, 

 the stigma before and after aestivation. Fig. 9, the ovary, supported on its hypogynous 

 disk. Fig, 10, transverse section of ditto : all magnified. Fig. 11, the persistent calyx 

 enclosing the fruit. Fig. 12, the capsiile removed : both nat. size. Fig. 13, the same 

 magnijiedj showing the manner of its dehiscence. Fig. 14, half of ditto removed, to 

 show the introflexed margin of each valve. Fig. 15, the loose placenta, separated from 

 the middle of ditto : all magnified. Fig. 16, seeds : nat. size. Fig. 17, a seed, back 

 view. Fig. 18, side view. Fig. 19, front view of the same, showing the lateral hilum 

 towards the base. Fig. 20, albumen removed from ditto, seen in front and sideways. 

 Fia. 21, loncritudiaal section of ditto. Fia. 22, embrvo removed : all 



magnified 



Plate 59. 



Exhibits Franciscea ca/pitata. 



Fig. 1, a flower supported by its bracts, seen in front. Fig. 2, the same seen from 

 behind, to show the peculiar introflexion of the mouth of the tube, a constant character 

 of the genus. Fig. 8, the corolla in bud, showing its very imbricated aestivation. Fig. 4ij 

 a corolla cut open, to show the position of the stamens and the manner of introflexion 

 of the mouth of the tube : all nat. size. Fig, 5, the anthers before and after dehiscence, 

 seen in different positions : magnified. Fig. 6, the pistil : nat. size. Fig. 7, the 

 stigma, with the upper portion of the style : magnified. Fig. 8, longitudinal section of 

 the ovarj : magnified. Fig. 9, capsule enclosed in the persistent calyx. Fig. 10, the 

 same, with the calyx removed. Fig. 11, the same, in the act of its dehiscence. Fig. 12, 

 side \iew of the dissepiment with its attached seeds. Fig. 13, front view of the same. 

 Fig. 14, seeds : all nat. size. Fig. 15, longitudinal section of a seed. Fig. 16, embryo 

 extracted : hoth magnified. 



Plate 60. 



Is a drawing o^ Polydiclis multivalvis. 



Fig. 1, is a flower of Folydiclis quadrivalvis. Fig. 2, the calyx. Fig. 3, the corolla. 

 Fig, 4, the same cut open to show the position of tlie stamens. Fig. 5, the pistil : 

 all nat, size. Fig. 6, a stamen, before and after dehiscence. Fig. 7, the stigma: loth 

 magnified. Fig. 8, capsule enclosed in its persistent calyx. Fig. 9, the same, with the 

 calyx removed. Fig. 10, transverse section of the same. Fig. 11, seeds : all nat. size. 

 Fig. 12, a seed. Fig. 13, section of ditto. Fig. 14, embryo extracted : all magnified. 



Plate 61. 



Represents Fionandra pinnata. 



w 



Fig. 1, a flower. Fig. 2, the calyx. Fig, 3, the corolla cut open, with the anthers 

 removed : all nat. size. Fig. 4, the stamens, showing the mode of dehiscence of the 

 anthers, and the union of the filaments into a short annular tube : magnified. Fig. 6, the 

 pistil : nat. size. Fig. 6, longitudinal section of the hollow clavate stigma : magnified. 



Plate 62. 

 Exhibits Tessarandra Fluminensis. 

 Fig. 1, a flower: natural size. Fig. 2, the calyx. Fig. 3, the corolla seen from 



