Introduction Mushrooms Antiquity of Fungi Manner of Growth Odor Duration Uses Habitat Structure and Growth Mycelium The Stem The Gills The Spores The Volva and Veil The Tubes or Pores Classification of Fungi Distinctive Characteristics of Genera Hymenomycetes Class I Gasteromycetes, or Stomach Fungi Class II Ascomycetes, or Spore Sac Fungi General Helps to the Memory Descriptions of Fungi, Arranged according to Color of Cap only Mushrooms with Red or Pink Colored Cap Mushrooms with Yellow or Orange Colored Cap Mushrooms with Gray Colored Cap Mushrooms with a Green Colored Cap Mushrooms with White Colored Cap Mushrooms with the Cap Brown and Various Shades of Brown Mushrooms with Purple or Violet-Colored Cap Descriptions of Some Familiar Mushrooms without Regard to Color Directions for Using Keys Key to Hymenomycetes, Membrane Fungi Class II Key to Pore-Bearing Fungi (Polyporei) Class III Key to Spine-Bearing Fungi (Hydnei) Class IV Key to Smooth Surface Fungi (Thelephorei) Class I Key to Clavariei Key to Gasteromycetes and Ascomycetes Appendix Glossary Index