Page:Parsons How to Know the Ferns 7th ed.djvu/17

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Preface vii
Ferns as a Hobby 1
When and Where to Find Ferns 15
Explanation of Terms 28
Fertilization, Development, and Fructification of Ferns 32
Notable Fern Families 36
How to Use the Book 38
Guide 40
Fern Descriptions:
Group I. 54
Group II. 67
Group III. 87
Group IV. 105
Group V. 120
Group VI. 159