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Parts.—Seed, the part containing the embryo.

Pericarp, the covering of the seeds, including the ovary and all adnate parts. The parts of the pericarp are epicarp, or outer coat; mesocarp, or middle coat; and endocarp, or inner coat.

Dehiscence.—Septicīdal, opening of the partitions.

Loculicīdal, opening at the dorsal suture.

Septífragal, valves falling away from partitions.

Circumscissile, opening by a circular horizontal line.

Kinds.—Simple, aggregate, accessory, multiple.

(1.) Simple Fruits.—Fleshy, Stone, Dry (formed by a single pistil).

(a.) Fleshy Fruits.—Indehiscent (with two or more seeds).

Seeds immersed in a pulpy mass.	-		Berry, rind membranous (Grape).
Hesperidium, rind leathery, separable (Orange).
Pēpo, rind hard (Cucumber).
Seeds in cells.—Pome, succulent calyx (Apple).

(b.) Stone Fruits.—Indehiscent; one-celled; endocarp hard.

Drupe, three-coated; stone-cell entire (Peach).

Tryma, two-coated; stone-cell two-parted (Walnut).

Etærio, an aggregation of drupes (Raspberry).

(c.) Dry Fruits.—Indehiscent, usually one seed with one coat.

Achēnium, coat separable from seed (Dandelion).

Utricle, coat inflated (Goosefoot).

Caryópsis, coat inseparable (Wheat).

Glans, invested with a cūpule, (Acorn).