Question
Hello Jim,
    Can you tell me if there are any american tree leaves that humans can eat?  There are so many all around my area.  It just makes sence that some could be for food, but I'm affraid to try any, until I know for sure. Thanks Lynn

Answer
Here is the only article that I could find on this subject.

http://en.wikipedia.org/wiki/List_of_plants_with_edible_leaves

Here is list of poison trees and the parts that are poison.

http://gpc.dhr.georgia.gov/portal/site/DHR-GPC/menuitem.591910020c2dabda50c8798d...