That part of a plant destined to produce seed, and hence including one or both of the sexual organs; an organ or combination of the organs of reproduction, whether inclosed by a circle of foliar parts or not. A complete flower consists of two essential parts, the stamens and the pistil, and two floral envelopes, the corolla and callyx. In mosses the flowers consist of a few special leaves surrounding or subtending organs called archegonia. See Blossom, and Corolla.