in botany, a genus of the tetradyadinae filiformis class. The calyx is short; the pod is cylindrical, and subariculated; there are two melliferous glands between the short stamens and the pistillum, and as many between the long stamens and calyx. There are three species, only one of them, viz. the raphaniflora, charlock, a native of Britain.

Vol. III. No. 91.