The first two plates (pages [iv] and [v]) show the types and arrangements of leaves. Outstanding features of individual trees are described in simplified wording and illustrated by accompanying sketches.
Interesting is the fact that pine cones and acorns of the “red or black” oaks ripen in two seasons while fruit from all other trees discussed herein mature in one season.
It is commonly known that no two persons are exactly alike in physical makeup. This is also true of trees since there is some variation in the features within each species.
EXPLANATION OF WORDS, TERMS AND SIGNS
WHICH MAY BE UNFAMILIAR TO READERS
Common and scientific names are from “Standardized Plant Names, 1942.”
Capsule. A dry fruit which contains more than one seed and splits open when ripe. Catkin. A compound bloom consisting of scaly bracts and flowers usually of one sex. Downy. With very short and weak soft hairs. Drupe. A fleshy one-seeded fruit, with the seed enclosed by a hard covering. Evergreen (leaves). Remaining green throughout the year (older leaves die after 2-15 years). Fissure. Furrow. A groove or crack. Leaflet. A leaflike part or blade of a compound leaf. Leaf Scar. A mark or impression at the point where a leaf had been attached. Lenticel. A pore on young trunks and branches through which air passes to interior cells. Lobe (of a leaf). A division or projecting part. Pith. The spongy material in the center of twigs and young trunks. Stalked. Having a stem. Witches’-broom. Abnormal bushy growth of small branches. Whorl. Three or more leaves or other parts encircling a stem at about the same point.
Small-sized tree. Usually not over 40′ in height when mature. Medium-sized tree. Usually not over 60′ in height when mature. Large-sized tree. Usually over 60′ in height when mature.
″ Inch or inches. ′ Foot or feet.
Types of Leaves