Page 29 - Forest Trees of Maine
P. 29

PINE



























            broad arrow; such trees to be reserved  the trunk is commonly free of live
            for use in the Royal Navy. The term  branches for a considerable portion of its
            King’s Arrow Pine originated from this  length. Old forest trees have a broad and
            policy. Most of the accessible virgin pine  somewhat irregular head. The branches
            was cut by 1850. Lumber production  are horizontal and in regular whorls,
            reached its peak in 1909, but white pine  usually of 5 each. Very old trees often
            is still a valuable species that contributes  become very irregular and picturesque.
            greatly to the economy of the state.  The trunk tapers gradually, and the tree
               White pine occurs in all localities  often attains a height of 100 feet.
            in the state in moist situations, on  Commonly it is from 70–80 feet tall,
            uplands and on sandy soil, but develops  and has a diameter of 1–3 feet.
            best on fertile, well-drained soils. On  The bark of young trees is smooth
            sandy soil it often becomes established  and thin, green with a reddish-brown
            in pure or nearly pure stands. It is one of  tinge overall, or brown in spots. On old
            the major species planted in the state.  trees, it is from 1–2 inches thick, very
            The tree grows rapidly both in height  dark, and divided into broad, flat ridges
            and diameter, making an average growth  by shallow fissures.
            in height of 1 foot or more each year.  Leaves are in clusters of 5, flexible,
               When growing in the open, the  3–5 inches long, bluish-green but
            young tree is symmetrical and conical in  whitish on one side. The papery sheath
            outline except when deformed by white  at the base of the new needle clusters
            pine weevil. White pine weevil is an  falls in late August.
            insect that kills the topmost shoot, and  The  cones are 4–8 inches long,
            often causes the tree to have multiple  cylindrical and borne on a long stalk.
            stems and a round profile. In the forest,  They take 2 years to mature, and open to
            a white pine tree has a narrow head; and  discharge the seed shortly after ripening

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