TABLE OF CONTENTS 



PAGE 



PREFACE ........... vii 



CHAPTER I 



BASIDIA AND THE DISCHARGE OF SPORES 



The Elements of the Hymeniuru The Discharge of Spores from the Basidia 

 The Water-drop The Chemical Constituents of the Drop Stokes' Law 

 The Mechanism of Spore-discharge Does a Basidimn Produce More than 

 One Generation of Spores ? The Sterigma and Spore-hilum in Hyrneno- 

 mycetes and Gastromycetes Balloons Falling from Rest or Fired from 

 a Gun, Used to Illustrate the Movements of Spores A Comparison of 

 the Rates of Fall of Spores and Thistle-down- A Comparison of the Rates 

 of Fall of Spores and Bacteria ....... .1 



CHAPTER II 



THE RATE OF DEVELOPMENT OF INDIVIDUAL SPORES IN DIFFERENT SPECIES 



Introduction and Table of Results Methods Discussion of Results- 

 Effect of Temperature ........ .43 



CHAPTER III 



VARIOUS OBSERVATIONS 



The Suppression of the Gills of Lactarius piperatus as a Result of the Attack 

 of Hypomyces lactifluorum Sterile Fruit-bodies The Monstrous Fruit- 

 bodies of Polyporus rufescens The Grafting of Fruit-bodies The Dwarf 

 Fruit-bodies of Coprinus lagopus The Cultivation of Marasmius oreades 

 for Food 58 



CHAPTER IV 



THE DISCHARGE OF SPORES FROM CERTAIN AGARICTNEAE AND POLYPOREAE 



The Brief Spore-fall Period of Coprinus curtus Macroscopic Observations 

 on the Fall of Spores of Armillaria mellea Banker's Observations on 

 Spore-discharge in Hydmim septentrionale The Vernal Spore-fall Period 

 of Pomes fomentarius Perennial Spore-production by One and the Same 



ix 



