CONTENTS. 



Page. 



Bibliography 9 



Herbaria consulted 10 



Local list consulted 11 



Topography U 



Climate and distribution l.'} 



Flora of the Jack Pine Plains 16 



a. Those raost common 16 



b. Those less frequent 16 



Plants indicating a fertile soil 18 



Plants peculiar to the prairies 19 



Overlapping of northern and southern species in the Grand River Valley 19 



Northern species 19 



Southern species 19 



Comparison of the flora of the eastern and the western sides of the State in 



latitude 44° 40'.. 20 



a. Northern plants found on the east side of the State and not on the west 20 



b. Southern plants found on the west side of the State and not on the east 20 



Plants supposed to have immigrated from the northeast '. 20 



Plants supposed to have immigrated from the north and west .' 21 



Trees of Michigan compared with those of Europe 21 



Why has Michigan so many trees and Great Britain so few? 22 



Native forage plahts 23 



Native bee plants 24 



Weeds, native and introduced 25 



List of weeds introduced from Europe and Asia 25 



List of indigenous weeds 27 



Native poisonous plants 72 



Native plants fast disappearing 28 



List of trees indigenous to M ichigan 28 • 



List of shrubs indigenous to Michigan 30 



Flora catalogue 34 



Index 137 



