Any hooked or incurved appendage, e.g. a tendril of a plant, one of the hooks on the fruit of the burdock, etc.; the curved or hooked part of…

attributive and in other combinations, as brake-bush, brake-fern, brake-root; brake of the wall n. the common polypody.

Botany. The membranous shield or scale covering the sorus or fruit-cluster of a fern.

Any of various small membranes or membranous structures, esp. in mosses.

Botany. A cluster of capsules or spore-cases on the under surface of fern-leaves.

Botany. A root-like structure, spec. in the embryo of a bryophyte or fern.

transferred (from 3). The curled top of a young fern.

the sorus of ferns.

A local name for a young fern frond.

Botany. A ridge separating the fovea and foveola in the leaves of quillworts (genus Isoetes). Obsolete. rare.

the cup-like form of the fern just after coming through the ground.

In ferns, a part of the wall of the sporangium which ruptures to release the spores.

Bot. In ferns: The ring of cells which partially surrounds the sporangia.