456 



Minnesota Plant Life. 



the air pores, as in man}- sedges and sniartweeds. Sometimes 

 lliat reL;i(>n of the leaf where the air pores are the most aljundant 







Fui. 22(!. — Swamp saxifrajiis. 'I'lif lainc root-leaves are adapted to the shade of the swamp. 

 The whole plant is haiiy. 'I'aiiiaraek swamp, l.ake Haniet. Afttr photograph by Ilih- 

 bard. 



is covered willi a cottoiu' or woolly coaliiii;', as are the tinder 

 sides of the lea\es in the l.ahrador tea. .X^ain wax C()atim;s 



