There are also added a chapter on the "Uses of Mushrooms," and an extended chapter on the "Cultivation of Mushrooms." This subject I have been giving some attention to for several years, and in view of the call for information since the appearance of the first edition, it seemed well to add this chapter, illustrated by several flashlight photographs. G. F. A. September, 1901. TABLE OF CONTENTS. PAGE Chapter I. Form and Characters of the Mushrooms, 1 Chapter II. Development of the Mushroom, 5 Chapter III. Gill Bearing Fungi; Agaricaceæ, 17 Chapter IV. The Purple-Brown-Spored Agarics, 18 Chapter V. The Black-Spored Agarics, 32 Chapter VI. The White-Spored Agarics, 52 Chapter VII. The Rosy-Spored Agarics, 138 Chapter VIII. The Ochre-Spored Agarics, 150 Chapter IX. The Tube Bearing Fungi; Polyporaceæ, 171 Chapter X. Hedgehog Fungi; Hydnaceæ, 195 Chapter XI. Coral Fungi; Clavariaceæ, 200 Chapter XII. The Trembling Fungi; Tremellineæ, 204 Chapter XIII. Thelephoraceæ, 208 Chapter XIV. Puff-Balls; Lycoperdaceæ, 209 Chapter XV. Stinkhorn Fungi; Phalloideæ, 213 Chapter XVI. Morels, Cup-Fungi, Helvellas, etc., Discomycetes, 216 Chapter XVII. Collection and Preservation of the Fleshy Fungi, 222 Chapter XVIII. Selection and Preparation of Mushrooms for the Table, 229 Chapter XIX. Uses of Mushrooms, 231 Fungi in the Arts, 234 Chapter XX. Cultivation of Mushrooms, 237 The Cave Culture of Mushrooms in America, 239 The House Culture of Mushrooms, 241 Curing the Manure, 247 Making up the Beds, 250 What Spawn Is, 255 Spawning the Beds, 263 Chapter XXI. Recipes for Cooking Mushrooms (Mrs. Sarah Tyson Rorer), 277 Chapter XXII. Chemistry and Toxicology of the Fungi (J. F. 288 Clark), Chapter XXIII. Description of Terms applied to Certain Structural Characters of Mushrooms (H.