DESCRIPTION or THE PLATES. 



section of the same, exhibiting also the mode of placentation. Fig, 10, a transverse 

 section of the same : all magnified, Mg, 11, a capsule in the persistent and augmented 

 calyx, half of which has heen cut away. Fig. 12, the same wdth the calyx removed, 

 showing its opercular summit. Fig. 13, the same, with the operculum, formed from the 

 epigynous gland of the ovary, separated by a circiunscissile line of dehiscence ; the 

 dissepiment which divides the capsule into tw^o cells is there seen. Fig.l4i, the same 

 reversed, to show the manner in which it has separated from the dissepiment. 

 Fig. 15, seeds : all nat. size. Fig. 16, a seed wdth its somewhat lateral hilum. Fig, 17, 

 a section of the same, lAith the embryo imbedded in albumen. Fig, 18, the embryo 

 separated : all magnified, 



B. is an analysis of Mandragora qfficinartim. 



Fig. 1, a flower. Fig, 2, the calyx. Fig, 3, the corolla cut open : all nat. size. 

 Fig. 4, tlie stamens seen before and behind, and sideways as affixed to the corolla ; the 

 section of the anther is also given : magnified. Fig, 5, the pistil, with the calyx thrown 

 hack : nat. size. Fig, 6, the ovary with its hypogynous gland. Fig. 7, transverse 

 section of the same, showing the mode of placentation. Fig, 8, the stigma: all mag- 

 nified. Fig. 9, the berry enclosed in the persistent calyx. Fig. 10, the same with the 

 calyx removed. Fig. 11, seeds : all nat. size. Fig. 12, a seed with half of the testa 

 removed. Fig. 13, the albumen. Fig, 14, section of the same with the embryo enclosed. 

 Fig.l5y the embryo extracted: all magnified. 



Plate 80. 



Is a drawing of PhgsoeJilcsna rubricaulis made from better specimens grown a year sub- 

 sequent to the description given in the text. 



Fig, 1, a flower : nat. size. Fig. 2, the corolla. Fig. 3, the same cut open. Fig. 4, 

 stamens seen before and behind. Fig. 5, the pistil with its hypogjmous disk : all mag- 

 nified. Fig. 6, the capsule enclosed in the persistent calyx. Fig. 7, the same removed 

 from the calyx. Fig, 8, the same with its operculum separated. Fig. 9, seeds : all 

 nat, size. Fig. 10, a seed with half of the testa removed. Fig, 11, a section of the 



albumen, with the enclosed embryo. 



agnijled. 



Plate 81, 



Eepresents Scopolia Carnioliaca. 



and 



mode of imbrication of its teeth in sestivation. Fig, 2, the flower expanded. Fig. 3, 

 the corolla. Fig. 4, the same cut open : all nat. size. Fig. 5, anthers seen before and 

 hQ])m^\ magnified. Fig. 6, the pistil with its hypogynous disk: nat. size. Fig. 7, 

 longitudinal section of the ovary. Fig. 8, the stigma. Fig. 9, one of the articulated 



magnified 



Plate 82. 



Is a drawing of AntTiocercis viscosa. 



r 



Fig. 1, a flower in bud. Fig. 2, a diagram giving the disposition of its several parts : 

 the outer whorl consists of the five teeth of the calyx ; the second, the segments of the 





