CONTENTS. 



Page 

 ADVERTISEMENT ... . . . . vi 



PREFACE ........ vii 



LIST OF ABBREVIATIONS USED IN THE WORK . . xiii 



DIRECTIONS TO THE UNPRACTISED STUDENT . . . xv 



ANALYTICAL KEY TO THE NATURAL ORDERS, ETC. . xvii 



GARDEN BOTANY ....... xxix 



ADDENDA TO THE BOTANY OF THE NORTHERN UNITED STATES xc 



FLORA. PH^ENOGAMOUS OR FLOWERING PLANTS . . 1 



Dicotyledonous or Exogenous Plants . . 1 



Angiospermous, Polypetalous . . .2 



Monopetalous . . . 163 



Apetalous . . .359 



Gymnospermous Plants . . . 420 



Monocotyledonous or Endogenous Plants . .426 



CRYPTOGAMOUS OR FLOWERLESS PLANTS . 607 



INDEX ... .... 705 



EXPLANATION OF THE PLATES ... 731 



