Minnesota Plant Life. 



2 45 



taste as the pecan nuts, which are derived from a species of 

 hickory that does not grow in Minnesota. Hickories are often 

 a hundred feet in height, with tall trunks two feet in diameter 



FIG. 112. Ironwoo 



d oaks. The smaller trees are ironwoods and hop-hornbeams. l,ake 

 Calhoun. After photograph by Hihhard. 



at the base. They are among the most valuable of the hard- 

 wood timber trees of the state. 



The eighth order comprises two families, one including the 

 hazels, ironwoods, hop-hornbeams, birches and alders; the other 



