2. Algæ—Sea weeds, &c.

3. Fungi—Mushrooms, &c.

(b) CHARALES.

(c) MUSCINEÆ.

1. Hepaticæ—Liverworts.

2. Musci—Mosses.

(d) VASCULAR CRYPTOGAMS.

1. Filicales—Ferns.

2. Equisetales—Horsetails.

3. Lycopodiales—Club-mosses.