2. Fungi with pores or tubes, Polyporei.
3. Fungi with awl-shaped teeth or spines, Hydnei.
4. Fungi with an even spore-bearing or slightly wrinkled surface, Thelephorei.
5. Plants, club-shaped and simple, or bush-like and branched, Clavariei.
6. Gelatinous plants, irregularly expanded, Tremellinei.
The first order, the Agarics, contains most of the well-known mushrooms, as well as most of the edible ones. They have been divided into different classes according to the color of the spores. In a great many cases the color is the same as that of the gills; but this is not always the case, especially in the young plants. The Agarics are divided into four sections:
1. White spores, Leucosporæ.
2. Rosy, salmon or pinkish spores, Rhodosporæ.
3. Brown or ochraceous spores, Ochrosporæ.
4. Dark purplish or black spores, Melanosporæ.