Ferula

(fer'u-lah.) (Bot.) Agen. of plants, O. Apiaceæ, characterized by the presence of compound umbels, variable involucres, a five-toothed calyx, ovate-pointed petals, and compre ed fruits. They are natives of the Mediterranean and Persian regions. F. communis, the Giant Fennel, attains sometimes in gardens a height of 15 feet. [s. 361]