CONTENTS OF VOL. I. 



PAGE 



INTRODUCTION 1 



Rank and Position or Group 2 



Antiquity 4 



Geographical Distribution 5 



Conditions of Growth 6 



Economic Uses 11 



Origin of Name and Popular Names 13 



First British Record 15 



STRUCTURE AND DEVELOPMENT 16 



Gei'mination, 16. Ooronula, 53. 



Root system, 17. Fertilization, 53. 



Pro-embryo, 19. Mature oogonium, 55. 



Sexual plant, 22. Oospore, 56. 



Branches, 25. Outer coloured membrane, 56. 



BrancMets, 25. Ridges of oospore, 58. 



Stipulodes, 29. Basal claws and crest, 58. 



Stem-cortex, 31. Decoration of tbe membrane, 59. 



Branohlet-cortex, 36. Inner coloured membrane, 60. 



Bulbils, 37. Third and fourth membranes, 61. 

 Reproductive organs, 43. Lime-shell, 61. 



Antheridium, 46. Abnormal forms of fi-iiit, 61. 



Fruit, 50. Sexual phenomena, 62. 



Turning-cells, 52. Cell-structure, cyclosis, etc., 65. 



CONSPECTUS OF DISTINCTIVE CHARACTERISTICS 



OF OOSPORES AND MEMBRANES . 69 



GLOSSARY 72 



TABLE OF LATIN ADJECTIVAL TERMS 77 



ix 



