TABLE OF CONTENTS 



PAGE 



MAP OF NORTH AMERICA (exclusive of Mexico) showing the eight re- 

 gions into which the country is divided according to the prevailing 

 character of the trees ...... Frontispiece 



SYNOPSIS OF FAMILIES OF PLANTS xi 



ANALYTICAL KEY OF FAMILIES OF PLANTS, based on the character of 



their leaves ........... xvi 



MANUAL OF TREES 



Gymnospermae .......... 1 



Angiospermae . .102 



Monocotyledons 10- 



Dicotyledons !-."> 



Apetala lltf 



Petalaa :n:> 



Polypetalae 315 



Gamopetalae 718 



GLOSSARY OF TECHNICAL TERMS 815 



INDEX 819 



