PREPARED BY J. E. Ibberson, A. B. Mickalitis, J. E. Aughanbaugh and C. L. Morris ILLUSTRATIONS BY J. M. Francis COMMONWEALTH OF PENNSYLVANIA · · DEPARTMENT OF ENVIRONMENTAL RESOURCES HARRISBURG, PENNSYLVANIA COMMONWEALTH OF PENNSYLVANIA · · DEPARTMENT OF ENVIRONMENTAL RESOURCES HARRISBURG, PENNSYLVANIA DIAGRAM SHOWING FUNCTIONS OF DIFFERENT PARTS OF A TREE Courtesy of the New Tree Experts Manual by Richard R. Fenska...

The purpose of this booklet is to make the reader’s life more enjoyable by being able to identify, through leaf, twig and bark characteristics, the important trees of Pennsylvania at various seasons of the year. Today, more than ever before, trees play an increasingly important part in our lives. Trees produce wood, one of the essentials of our everyday life. The uses for wood are rapidly increasing. Trees provide shade and solace for man; they help to beautify the places where we live; help pur

Pennsylvania, with its unique geographical position, has 102 kinds of trees native to the State, although there are numerous introduced species growing and thriving in this latitude and climate. In addition, at least 21 large native shrubs sometimes grow to tree size and form. Less than half of these native trees are presently classified as important timber species. But research in wood uses is rapidly progressing and some of the so-called “weed trees” may assume considerable importance in the f

Common and scientific names are from “Standardized Plant Names, 1942.” Types of Leaves Arrangement of Leaves and Buds on Twigs EASTERN HEMLOCK ( Tsuga canadensis ) Leaves: Evergreen needles occur singly, spirally arranged on twigs but appear 2-ranked; flattened, about ½″ long; dark green, glossy and often grooved above: light green with 2 white lines below. Twigs: Slender, rough, yellowish brown to grayish brown. Buds egg-shaped, ¹/₁₆″ long, reddish brown. Fruit: A cone , ¾″ long, egg-shaped; ha

White Oak Chestnut Oak Eastern Red Oak Scarlet Oak Sugar Maple Red Maple Yellow Birch Paper Birch Bigtooth Aspen...