Peri-, Greek for around; from which are such terms as
Perianth, the leaves of the flower collectively, [79].
Pericarp, the ripened ovary; the walls of the fruit, [117].
Pericarpic, belonging to the pericarp.
Perigonium, Perigone, same as perianth.
Perigynium, bodies around the pistil; applied to the closed cup or bottle-shaped body (of bracts) which encloses the ovary of Sedges, and to the bristles, little scales, &c., of the flowers of some other Cyperaceæ.
Perigynous, the petals and stamens borne on the calyx, [95], [99].
Peripheric, around the outside, or periphery, of any organ.
Perisperm, a name for the albumen of a seed.
Peristome, the fringe of teeth to the spore-case of Mosses, [163].