Toadstools, mushrooms, fungi, edible and poisonous; one thousand American fungi / How to select and cook the edible; how to distinguish and avoid the poisonous, with full botanic descriptions. Toadstool poisons and their treatment, instructions to students, recipes for cooking, etc., etc.

by Charles McIlvaine; Robert K. Macadam

Plate V.

RING SHAPES AND POSITIONS; VOLVA SHAPES.

Fig. 1. Ring superior, broad.

2. Ring medial, pendulous.

3. Ring inferior (low down).

4. Ring narrow, fragments appendiculate.

5. Ring fibrillose.

Fig. 6. Ring persistent, sometimes movable.

7. Volva free.

8. Volva separating, circumscissile.