Slippery And American Elm

   
Ulmus rubra (Slippery elm-larger, left), Ulmus americana (American elm-right) Slippery and American Elm

Description
A comparison of Ulmus rubra (larger on the left), and Ulmus americana (smaller, right)Note the more furrowed bark of the Slippery elm and the 'chippier' look of the American elm.