botany, a genus of the diadelphia hexandra class. The calyx consists of two leaves; and the corolla is ringent. There are 11 species, three of them natives of Britain, viz. the officinalis, or fumitory; the capreolata, or ramping fumitory; and the clavicularia, or climbing fumitory.
The whole plant of the officinalis is used in medicine, being accounted good in the scurvy, jaundice, and disorders of the mesenteric and spleen.