The Female Reproductive Apparatus

(a) A dissected flower of Hibiscus showing pistil (other floral parts have been removed)

(b) Multicarpellary, syncarpous pistil of Papaver

(c) A multicarpellary, apocarpous gynoecium of Michelia;

(d) A diagrammatic view of a typical anatropous ovule - with Hilum, Funicle, Micropyle, Micropylar pole, Outer integument, Inner integument, Nucellus, Embryo sac, and Chalazal pole

(a) Parts of the ovule showing a large megaspore mother cell, a dyad and a tetrad of megaspores.

(b) 2, 4, and 8-nucleate stages of embryo sac and a mature embryo sac;

(c) A diagrammatic representation of the mature embryo sac.