rootstock

It has a creeping woody rootstock, and a rough angular stem; and the petals are generally but little longer than the sepals.

The fronds of the Brake are more or less solitary, rising from distinct and somewhat distant portions of the rootstock.

Ferns are propagated by the growth and budding of the rootstock as well as by the ordinary method of reproduction.

A thick, short rootstock provided with buds, like the potato, is called a tuber.

It has a short, woody rootstock; and erect, branching stems varying from two to four feet in height.