TABLE OF CONTENTS 



PAGE 



Preface vii 



PART I 



HYPHAL FUSIONS AND PROTOPLASMIC STREAMING IN THE 



HIGHER FUNGI 



CHAPTER I 



THE FORMATION OF HYPHAL FUSIONS IN THE MYCELIUM OF THE HIGHER 



FUNGI 



Introduction — Investigations by the Author — Methods and Materials — A 

 Generalisation on Hyphal Fusions — The Four Kinds of Hyphal Fusions — 

 Hypha-to-Hypha Fusions— Hypha-to-Peg Fusions — Peg-to-Peg Fusions — 

 Hook-to-Peg or Clamp-connexion Fusions — The Function of a Clamp- 

 connexion — Clamp-connexions and the Hooks of Ascogenous Hyphae — 

 Biological Significance of the Hook of a Clamp-connexion growing Back- 

 wards instead of Forwards — Mile Bensaude's Second Mode of Formation 

 of a Clamp-connexion unconfirmed — Pleurage curvicolla — Phurage anserina 

 — Fimetaria fimic.ola — Pyronema confluens — Coprinus slerquilinus — 

 Coprinus lagopus — Sphaerobolus stellatus — Microsporon audouini — Critical 

 Remarks on Supposed End-to-Side and Side-to-Side Fusions — Action at 

 a Distance in Vegetative Hyphal Fusions and its Theoretical Explanation 

 — Passage of Nuclei through Hyphal Fusions ..... 



CHAPTER II 



THE TRANSLOCATION OF PROTOPLASM THROUGH THE SEPTATE MYCELIUM OF 

 CERTAIN PYRENOMYCETES, DISCOMYCETES AND HYMENOMYCETES 



Historical Introduction — Investigations by the Author — Fimetaria, fimicola — 

 Cultures — Protoplasmic Streaming — Passage of Vacuoles through the 

 Pores in the Septa — Rate of Flow of the Protoplasm — General Direction 

 of the Protoplasmic Current — Gelasinospora te.traspe.rma — Pyronema con- 

 fluens — Hanging-drop Cultures — Growth of the Mycelium and Develop- 

 ment of Vacuoles — Protoplasmic Streaming — Streaming of Protoplasm 

 from One Mycelium to Another — Deformation of Vacuoles by Flowing 



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