Fruit Key & Twig Key to Trees & Shrubs by William M. Harlow
1946, No Stated Printing, Trade Softcover.
Good. No markings. Cover and edges show light wear and age.
"The following introduction and key are presented,
therefore, in the hope that they may help to
awaken an interest in the many diverse fruit
forms produced by our northeastern trees."
- William M. Harlow, Introduction