"Kidney-shaped" Quotes from Famous Books
... thin, delicate membrane, known as the indusium (Greek, a dress, or mantle). The family or genus of a fern is often determined by the shape of its indusium; e.g., the indusium of the woodsias is star-shaped; of the Dicksonias, cup-shaped; of the aspleniums, linear; of the wood ferns, kidney-shaped, etc. ... — The Fern Lover's Companion - A Guide for the Northeastern States and Canada • George Henry Tilton |