Fig. 197. Nephrodium Filix mas.

A. Fresh rhizome entire. a. Spirally-coiled young frond. b. Leaf-stalks (stipites) cut off. c. Root-fibres.
B. Transverse section of the fresh rhizome. a. Transverse section of the stem, with the vascular bundles. b. Bases of the leaf-stalks, called phyllopodia. They surround the stem in a circular manner, and are devoid of vascular bundles.

This image is from Male Fern in Pereira's Elements of Materia Medica and Therapeutics, 1854.