CONTENTS. 



to PAGE 



PREFACE ......... xiii 



INTRODUCTORY NOTE ...... xiv 



GUIDE TO THE TREES . . . . . i 



LIST OF GENERA ....... 3 



DESCRIPTION OF TREES (WITH ILLUSTRATIONS) . 4 



EXPLANATION OF TERMS ..... 237 



GLOSSARY .'.... . 243 



INDEX TO THE TREES ...... 245 



