CONTENTS 



Preface vii 



Contents xi 



List of Text Illustrations and Plates xv 



Lecture I 



The Rise of Mycotrophic Study:- The beginning of root study 



— Early studies on root hairs — Early study of nodules — 

 Nutrition of Monotropa — Nutrition of orchids — -My- 



COTROPHY IN FERNS AND FERN ALLIES MyCOTHALLISM IN 



LIVERWORTS EARLIEST OBSERVATIONS OF MYCORRHIZAE DIS- 

 COVERY OF THE HaRTIG NET — NaTURE OF MYCOTROPHISM 



MyCORRHIZAE DEFINED CONFLICTING CLAIMS OF DISCOVERY 



Frank's antagonists — Bernard and orchid symbiosis — 

 Tuber formation and perennism — Symbiosis in Lolium 



— Obligate mycotrophy in heaths — Identity of the my- 

 corrhizal fungi — Isolation of mycorrhizal fungi — The 



NITROGEN theory OF MYCOTROPHISM ThE StAHLIAN HY- 

 POTHESIS — Carbon hypotheses — Growth promoting sub- 

 stances — Phagocytosis — Phycomycete mycorrhizae — 

 Forest tree mycorrhizae — Ecology of mycorrhizae • — 

 Trends 1 



Lecture II 



The Occurrence of Mycorrhizae:- Reasons for studying my- 

 corrhizal occurrence — ^The occurrence of root-hairs — 

 Generality of mycorrhizal occurrence — Symbiosis among 



ALGAE MyCOTHALLI AMONG LIVERWORTS FUNGAL SYMBIOSIS 



with Pteridophytes — Symbiotic fungi among Arthro- 

 PHYTES — Mycorrhizae and mycothalli of Lycopsida — 

 Gymnospermous mycorrhizae — Mycorrhizae of Cycads — 

 Mycorrhizae of Ginkgo — Mycorrhizae amongst the Tax- 

 aceae — Mycorrhizae in Pinaceae — Mycorrhizae in 

 Gnetaceae — The method of opportunism — Mycorrhizae 

 in Apetalae 14 



