in botany, a genus of the pentandra digynia clas. The radii of the corolla are all hermaphrodites; the fruit is roundish, with a crenated edge; and the involucra are long, and undivided. There are seven species, only two of them natives of Britain, viz. the latifolium, or purple-flowered great bastard parsley; and the nodosum, or knotted parsley.

TORUS, in architecture, a large round moulding, used in the bases of columns.