﻿MR. J. MIERS ON THE LECYTHlDACEiE. 309 



showing 



its caudal extension. 



hood cut through and thrown 



ijied, 



Fig. 13. One of the staminiferous appendages : nat. Hze. 



tgnified. 



stigma: magnified. 



Section C. Analysis of Grias. 



Grias 



Fig, 2. The same after expansion, the calycine limb now split into 4 equal sepals : both nat. size 



inferior ovary 



larger than the sepals. 



Fig. 4. The same, seen from above, showing the petals surrounding the androphorum. 

 Fig. 5. The inferior ovary, surmounted by the four sepals, the annular disk, and the u 



transverse section of the ovary 



somewhat magnified. 



annular 



concave vertex, the umboniform style, surmounted by the sessile 4-rayed stigma, the ovules ni 



each cell suspended by funicles from the top of the axile column. 

 Fig. 9. The stigma : both more highly magnified. , 



Fig. 10. The androphorum in its natural shape, consisting of a shallow basal cup, regular in form, 



bordered by the external series of much longer staminiferous appendages. 

 Pig. 11. The same cut open, to show how it is covered internally with several series of staminiferous 



appendages, the lower one short, the others gradually longer, the external series longest : both 



■ 



appendages, which are somewhat incurved, subtetragonous, truncated at the 

 le filaments are inserted : more magnified. 



magnified 



Fig. 12. Two of the 



same 



Kg. 14 The 



with 



filament 



Lehiscing laterally by a longitudinal suture : both more highly magnified 

 Auhletiana. drawn in its natural dimensions as given in the text of Aublet, and 



Fig. 16. A tr 



copied from his drawing, stated to be half-size. 



showin 



to be indehiscent and 4-celIed, each cell contain- 



ing 6 or 7 seeds. 



fig- 17. One of the seeds suspended by a fleshy funicle, as in Gmiavia: all nat. size. 



Plate XXX VII 



Kepresents tlie fruit of two species of Bertholletia. 



% 1. The pyxidium of B, e.celsa, from a specimen in the Kew Museum collected by l^^^^^^ ^^ 



island of Trinidad : it corresponds well with Bonpland's figure of his specimen from 



Orinoco. 



%• 2. A section of the upper part of th 

 ^' ^* '^^ extruding operculum, which 



.ternal 



as seen in the Kew specimen and in Bonpland's drawing 

 lie pyxidium of B. nobilis, from Para, from specimens s( 

 guished by its smaller and more srlobular 'form, its darl 



and falls away in fragments 



^01^ XXX. 



2 



