472 



LESS. 



vnt 



FIG. 127. A 1 , Vertical section of flower of Helleborus, showingy?. r, 

 floral receptacle ; sp, sepals ; //, petals ; st, stamens ; and cp, carpels, 

 that to the right cut longitudinally to show the megasporangia (mg. spg). 



A 2 , transverse section of gyncecium of Helleborus passing through the 

 venter (vnt) of the six carpels, each of which has a midrib (mi ) and 

 united edges (e) to which the megasporangia are attached. 



B 1 , vertical section of flower of Campanula, showing floral recep- 

 tacle (fl. r} enclosing venter of gynoecium (vnt), with megasporangia 

 (mg. spg) ; calyx (eal) ; corolla (cor) \ anthers (an) and filaments (ft) of 

 stamens ; and style (sty) and stigma (stg). 



B 2 , transverse section of gyncecium of Campanula enclosed in floral 

 receptable (ft. r). Letters as in A 2 . 



c, transverse section of gynoecium of Kibes. Letters as in A 2 . 



(A J and B 1 , after Le Maout and Decaisne. ) 



