CONTENTS OF VOL. III. 



The Roman numerals refer to the General Table of Contents, Vol. I. p. xvii. to cliii., where the species 

 and varieties, with all their synpnymes, will be found systematically arranged ; the first column of Arabic 

 figures to the pages of the text in this volume, and the second to those of the supplementary matter con- 

 tained in Vol. IV. 



The names of the half-hardy and suffruticose orders and genera are in small type. 



