Guess what time it is? It's time for the DG County Fair! Now in it's sixth year, enter your blue-ribbon photos or mouth-watering recipes for a chance to win a gift subscription! Click here here to get all the details, dates and entry rules.
These four photos of yours on this Ulmus pumila page are actually photos of Ulmus parvifolia for which there is a separate entry page.
Located here: http://davesgarden.com/guides/pf/go/173/
You can see many examples of the bark by google image searching "ulmus parvifolia bark" and you will see the major difference in the bark.
Would you like your 4 images moved to the U. parvifolia page?