This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations.
Text and drawings follow the growth cycle of twelve common flowering trees: pussywillow, white oak, sugar maple, elm, apple, horse chestnut, flowering dogwood, magnolia, witch hazel, black walnut, black locust, and tulip tree.