Ecology of the Cincinnati Region 
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Then the slope appears to be covered with an oak forest (Hg. 2 ^), but 
beneath the oaks, are all the other trees which were pioneers with them. 
Locust does not retain its early importance after the other trees are started, 
and is seldom found within the oak forest. The herbaceous vegetation. 
Fig. 23. Slopes forested chiefly with oak, Sharon creek. 
in spring, is made up chiefly of groundsel (Scnecio obovatus) in large 
patches, coral root (Corollorrhiza Wisteriana), wake robin (Trillum ses¬ 
sile), larkspur (Delphinium trieorne), rue anemone (Anemonella thalie- 
troides), buttercup (Ranunenliis hispidus), sickle-pod (Arabis eanaden- 
