A Pictorial Atlas of Fossil Remains, consisting of coloured illustrations selected from Parkinson's "Organic remains of a former world," and Artis's "Antediluvian phytology."

by Gideon Algernon Mantell

The stem is straight, simple, and cylindrical, and is compressed towards the summit. It is sometimes found six feet in length, and from one to four inches in diameter. It is generally coated with a carbonized bark.

Fig. 1, shows a portion of the stem of the natural size.

Fig. 2. The upper extremity, in which the tubercular terminations of the double keels or ridges are seen at A, B.

Found associated with Calamites in the clay-bind of Leabrook Quarry.

Plate XIX.

PLATE XIX.