TABLE OF CONTENTS xi 



CHAPTER XVIII 



PAGE 



The Electric Charges on the Spores 192 



CHAPTER XIX 

 The Coprinus Type of Fruit-body .196 



CHAPTER XX 



The Dispersion of the Spores after Liberation from the Fruit-bodies 



Falck's Theory 216 



CHAPTER XXI 



The Dispersion of Spores by Animals Coprophilous Hymenomycetes 



Slugs and Hymenomycetes . . . . . . . . . 224 



PART II 



SOME OBSERVATIONS UPON THE DISCHARGE AND DISPERSION OF THE 

 SPORES OF ASCOMYCETES AND OF PlLOBOLUS 



CHAPTER I 



The Dispersion of Spores by the Wind in Ascomycetes Puffing The 

 Physics of the Ascus Jet in Peziza The Fixation of the Spores in the 

 ASCIIS of Peziza repanda Comparison of the Sizes of Wind-borne Spores 

 in Ascomycetes and Hymenomycetes The Helvellacese .... 233 



CHAPTER II 



The Dispersal of the Spores of Ascomycetes by Herbivorous Animals illus- 

 trated by an Account of Ascobolus immersus Pilobolus, Empusa muscx 

 Lycoperdon The Sound produced by the Discharge of Spores with 

 special reference to Pilobolus . . . . . . . . .251 



GENERAL SUMMARY 



Part 1 261 



Part II 268 



EXPLANATION OF PLATES I.-V 270 



PLATES I.-V To follow p. 274 



GENERAL INDEX . 275 



