CONTENTS xi 



CHAPTER X 



THE LAGOPUS SUB-TYPE ILLUSTRATED BY COPRINUS LAGOPUS 



Characters of the Lagopus Sub-type — Representative Species — Coprinus 



PAGE 



lagopus and Allied Species — Description of Coprimis lagopus — Remarks 

 on the Fruit-body Illustrations — The Scales on the Pileus — The Structure 

 of the Gills — Autodigestion and the Liberation of the Spores 299 



CHAPTER XI 



THE MTCACEUS SUB-TYPE ILLUSTRATED BY COPRINUS MICACEUS 



Characters of the Micaceus Sub-type — Coprinus micaceus — Historical Re- 

 marks — Relations of Coprinus micaceus with its Substratum — General 

 Description of the Fruit- bodies — The Name Micaceus and the Scales on 

 the Pileus — Certain Fruit-bodies Compared — The Structure of the Gills — 

 The Discharge of the Spores — Effect of the Weather on the Fruit-bodies 328 



CHAPTER XII 



THE BIOLUHnNESCENCE OF PANUS STYPTICUS 



Introduction — The Length of Spores of English and Xorth American Origin 

 — The Divergence of Imbricating Fruit-bodies — Retention of Vitality after 

 Desiccation and during Frost — First Observations on the Bioluminescence 

 of Panus stypticus — Nomenclature of the Two Physiological Forms — 

 A Simple Mode of Demonstrating Bioluminescence with a Plant — The 

 Phenomenon of Bioluminescence Avith Special Reference to Fungi — 

 — Further Observations on the Bioluminescence of Panus stypticus 

 luminescens — Photographs made Avith the Light of the Gills — The 

 Emission of Light by the Mycelium — A Photograph made with the Light 

 of the Mycelium — Dependence of Luminescence on the Presence of 

 Moisture — Dependence on Oxygen — Effect of Anaesthetics — Effect of 

 Temperature — Evidence Proving the Existence of Luminous and Non- 

 luminous Forms of Panus stypticus — Hyphal Fusions between the 

 Two Forms — Geographical Distribution of the Two Forms— Luminous 

 and Non -luminous Forms of Xylaria Hypoxylon—The Bioluminescence 

 of Decaying Leaves — Persistence of Luminescence in Leaves —Photo- 

 graphs made with the Light of Luminous Leaves — Remarks on the Bio- 

 luminescence of Armillaria mellea ....••• ^57 



CHAPTER XIII 



AGARICS WHICH ARE PARASITIC ON OTHER AGARICS 



Non-basidiomycetous Fungi Parasitic on other Fungi— Basidiomycetous 

 Fungi Parasitic on other Fungi — Boletus parasiticus— Leptonia parasitica 

 — Claudopus subdepluens— Volvaria Loveiana — The Genus IS^'ctalis — 

 Nyctalis asterophora—N yctalis parasitica— Stropharia epimtjces — Collyhia 

 dryophila and its Pseudoparasite Tremella mycetophila—A Morchelloid 

 Modification of Collyhia velutipes ....••• *«*- 



