Brassicacee
an order of plants more generally called cruciferæ (crucifers). It is placed by Lindley under his cistal alliance. He divides the order into the following sections-pleurorhizeæ, notorhizeæ, orthoploceæ, and diplecolobeæ.
The brassicaceæ or crucifers are one of the most important orders in the whole vegetable kingdom. About 1,730 species are known. Their chief seat is in the temperate zones. Among the well known plants ranked under the order may be mentioned the wall flower, the stock, the watercress and other cresses, the cabbage, the turnip, etc.