CONTENTS 



Page 



List of tree species with descriptions and illustrations iv 



Introduction 1 



Previous work 2 



Preparation of this book 2 



Plan 3 



Illustrations 3 



Tree names 3 



Tree descriptions 4 



Wood and uses 5 



Other uses 5 



Propagation, growth, and other notes 5 



Distribution 5 



Related species 9 



Explanation of botanical terms 9 



Leaves 9 



Flower clusters 9 



Flowers 10 



Fruits - 10 



How to use this book in tree identification 10 



Statistical summary 11 



Acknowledgments 11 



Forests and forestry in Puerto Rico and the Virgin Islands 12 



The virgin forests 12 



The forests of today 14 



Forest conservation 15 



Lit eratiu-e cited 18 



Special lists 19 



Poisonous trees 19 



Appearance and trunk 19 



Colored sap or latex 19 



Leaves 19 



Flowers 19 



Fruits 19 



Uses 19 



Planting lists 20 



Key to families 21 



Part 1. Leaves alternate, simple 22 



Part 2. Leaves alternate, compound 25 



Part 3. Leaves opposite, simple 26 



Part 4. Leaves opposite, compound 27 



Tree species, descriptions and illustrations 28 



Index of common and scientific names 529 



