Ranunculus Ficaria. p. 19. 



Diagrammatic section of hypogj'nous (//), perigynous {F), and epigynous (^E) flowers. 

 a, axis, forming convex or concave receptacle, or wall of ovary ; k, calyx ; 

 t, corolla ; s, stamens \f^ carpels ; «, stigma ; sk^ ovules. (After Prantl.). 



[Opposite p. 19. 



