TABLE OF CONTENTS. IX 



IV. Examination of physiognomic characters of the ynetaspermic 



plants of the Minnesota valley 138 



G. Table of arboreal Metaspermae 739 



H. Table of shrubby Metaspermae 740 



I. Table of aquatic Metaspermae. 743 



K. Table of swamp and marsh M'jtaspermae 744 



F. Examination of the dominant metaspermic families of th^e, Min- 

 nesota valley 752 



VI. Conclusion 758 



Index of the list 761 



EBRATA. 



p. 64. For aruudiuacea read arimdiuaoea. 



p. 343. For presslii read preslii. 



J). 44J: For var. pilosiim read var. pilosa. 



