Elements of Botany, Plate 27

From Elements of Botany:

"Fig. 1. Betula populifolia, a native of Pennsylvania, and other parts of the United States. A. A. The male ament, or catkin (amentum). B. B. The female flowers. C. C. Receptacles, such as support the male flowers.

"Fig. 2. A portion of the Virginian Polypody, or Male-Fern. This is a true dorsiferous Fern, the fructification being fastened upon the back of the frond.

"A. A. Two of the fructificatious upon the back of the frond.--Cryptogamia Filices.

"Fig. 3. Clavaria Acrospermum, represented of the natural size, as growing upon old, dry wood.

"Fig. 4. The same magnified.--These two figures, which may serve to illustrate the order Fungi in the class of Cryptogamia, are copied from Professor Hoffman's Flora of Germany, or a Botanical Pocket Companion for the year 1795. Volume II. Erlangen."