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A genus of the plants known as liverworts. The body is a simple flat thallus and produces a slender spore-case.

Anthoceros Showing Thallus with Two Capsules

A genus of the plants known as liverworts. The body is a simple flat thallus and produces a slender…

A genus of the plants known as liverworts. The body is a simple flat thallus and produces a slender spore-case.

Anthoceros, Mature Capsule Splitting

A genus of the plants known as liverworts. The body is a simple flat thallus and produces a slender…

An illustration of the archegonium of bracken. An archegonium (pl: archegonia), is a multicellular structure or organ of the gametophyte phase of certain plants producing and containing the ovum or female gamete. The archegonium has a long neck and a swollen base.

Archegonium of Bracken

An illustration of the archegonium of bracken. An archegonium (pl: archegonia), is a multicellular structure…

"Protonemata of a moss bearing young gametophyte buds." -Gager, 1916

Moss Protonemata

"Protonemata of a moss bearing young gametophyte buds." -Gager, 1916

"Hair-cap moss (Polytrichum commune). A, male plant; B, same, proliferating; C, female plant, bearing sporogonium; D, same; g, gametophyte; s, seta; c, capsule; o, operculum; a, calyptra, E, top view of male plant." -Gager, 1916

Hair-Cap Moss

"Hair-cap moss (Polytrichum commune). A, male plant; B, same, proliferating; C, female plant, bearing…