Ross: The Dunesland Heritage of Illinois 



Fig. 5. — Sandy shore of lake Michigan of Illinois Beach Stafe Park, showing a bank of the 

 sand-binding grass, Calamovilfa, on the right. 



p of the dune willow and the sand cherry on a sand ridge near ZIon, 

 I this clump the willow predominates, as indicated by the large number 

 . one of which is shown in enlarged view at the left. The willow and cherry clump 

 surrounded by plants of bluestem grass and the gross Calamovilfa. 



Fi 

 Illinois 

 of willow catkin 



6. — Large cli 

 mid-April. 



