Hickory (IMAGE) University at Buffalo Caption These are leaves of a hickory tree. A new analysis of data suggests that hickory trees were more abundant than expected near the historical sites of Native-American villages in Chautauqua County. Credit Steve Tulowiecki Usage Restrictions This image may only be used in conjunction with news reports describing the associated research. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.