TABLE OF CONTENTS 



PAGE 



PREFACE vii 



PART I 



Ax /ACCOUNT OF THE PRODUCTION, LIBERATION, AND DISPERSION OF THE 



SPOKES OF HYMENOMYCETES TREATED BOTANICALLY AND 



PHYSICALLY 



INTRODUCTION . 



CHAPTER I 



The Hymenium Basidia and Paraphyses Nuclear phenomena The Colour 

 of Spores Two-spored Basidia in Cultivated Varieties of Psalliota cam- 

 pestris Occasional Sterility of Coprinus Fruit-bodies Cystidia Fungus 

 Gnats, Springtails, and Mites Position of the Hymenium Comparison 

 of the Basidium with the Ascus The Effect of Sunlight upon Spores . 6 



CHAPTER II 



The Extent of the Hymenium Principles underlying the Arrangement of 



Gills and Hymenial Tubes The Margin of Safety The genus Fomes . 27 



CHAPTER III 



The Functions of the Stipe and Flesh of the Pileus The Gill-chamber . 39 



CHAPTER IV 



Adjustments of Fruit-bodies in the Interests of Spore-liberation Lentinus 

 lepideus, Psalliota campestris, Polyporus squamosus, Coprinus plicatilis, 

 ('oprinus niveus, and Coprinus plicatiloides Reactions of Fruit-bodies to 

 Light and Gravity The Problem of Pileus Eccentricity Geotropic 

 Swinging Rudimentary Fruit-bodies 47 



CHAPTER V 



Spore-deposits The Number of Spores 79 



CHAPTER VI 



Macroscopic Observations on the Fall of Spores of Polyporus squamosus . . 89 



