Hoptree, Ptelea trifoliata L. Rutaceae.   Several tribes used the root bark to strengthen the effect of other plant drugs in formulas and combinations as did the Meskwaki and Menominee.  Menominee considered the root a panacea.  Root was  pulverized and infused in water, taken internally for ailing lungs.

 

Poison Ivy look-a-like.
Hoptree growing in sand dunes, Warren Dunes State Park, Michigan.  Note similarity of leaves to poison ivy.