Clair A. Brown
Harold E. Grelen
Southern Forest Experiment Station
U.S. Department of Agriculture,
Forest Service
General Technical Report SO-15
The authors thank Bryan A. Jowers, Glendale, California, for the excellentwinter silhouettes. For help in obtaining specimens or photographsof species not easily accessible to us, we thank the following: Roger W.Barbour, University of Kentucky; William Harlow, College of EnvironmentalScience and Forestry, State University of New York; RichardJohnson, Caroline Dormon Nature Preserve; Betty E. Lemon, Universityof Southwestern Louisiana; R. Dale Thomas, Northeast LouisianaUniversity; and Lino Della-Bianca and Edwin R. Lawson of theU.S. Forest Service.
This publication illustrates and describes 26 hardwoodspecies or varieties, including 16 oaks and hickories, withphotographs of leaves, bark, buds, flowers, and fruits.Line drawings feature the winter silhouette of each speciesand a key is included to assist in identification.
US. Department of Agriculture
Forest Service General Technical Report SO-15
CLAIR A. BROWN
Professor Emeritus,
Department of Botany
Louisiana State University
Baton Rouge, Louisiana
HAROLD E. GRELEN
Principal Range Scientist
Southern Forest Experiment Station
Forest Service—USDA
Pineville, Louisiana
1977
For sale by the Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402