Leaf: Leaves of two kinds, one scale-like and flat, the other keeled,
all tightly pressed to the twig (see Fig. 13).

Form and size: A close, conical head with dense foliage near the base.
Usually a small tree, but in some parts of the northeastern States
it grows to medium size with a diameter of two feet.

Range: Northern part of North America.

Soil and location: Inhabits low, swampy lands; in the State of Maine
often forming thick forests.

Enemies: Very seldom affected by insects.

Value for planting: Is hardy in New England, where it is especially used
for hedges. It is also frequently used as a specimen tree on the
lawn.

Commercial value: The wood is durable for posts, ties, and shingles. The
bark contains considerable tannin and the juices from the tree have
a medicinal value.

Other characters: The _fruit_ is a cone about ½ inch long.

Other common names: Arbor-vitae is sometimes called _white cedar_ and
_cedar_.

Comparisons: The arbor-vitae is apt to be confused with the true _white
cedar_ (_Chamaecyparis thyoides_) but the leaves of the latter are