Per"i*anth (?), n. [Pref. peri- + Gr. flower: cf. F. p'erianthe.] Bot. (a)
The leaves of a flower generally, especially when the calyx and corolla are not readily distinguished.
A saclike involucre which incloses the young fruit in most hepatic mosses. See Illust. of Hepatica.
© Webster 1913.