(b) In Cruciferae.
Bicarpellary : Gynoecium consisting of two carpels fused laterally forming a compound pistil.

Parietal placentation : Ovary is bi to multicarpellary but unilocular.

Tetradynamous : There are six free stamens, inner four larger and outer two are small.

Siliqua fruit : Siliqua is a dry dehiscent fruit develop from bicarpellary, syncarpous and superior ovary.