The National tribune., 1882-05-06

ing are as follows:
First A compact stateliness and symme-
try of growth, as distinguished from a
wide-spreading or pendent form, so that the
stem may reach sufficient height to allow
of a free circulation OF air below the
branches also that the lower branches may
not unduly interfere with the promenades
and streets.
Second. An ample supply of expansive
foliage, of early spring verdure, and rich
and varied in the colors and tints assumed
during the ripening of the leaves in au-
tumn.
Third. Healthiness, so far as being exempt
from constitutional diseases, as well as from
those maladies frequently engendered in
some species by popularity of soil and at
mospheric impurities.
Fourth. Cleanliness; characterized by
persistency of foliage during summer, free
dom from fading flowers, and exemption
from attacks of insects.
Fifth. It should bear transplanting easily,
of moderately vigorous growth, and not
liable to throw up shoots from the roots or
the lower parts of the stem. A tree of ex-
tremely rapid growth is generally short
lived, and should be avoided.
Sixth. The branches should be elastic
rather than brittle, that they may better
withstand heavy storms. And lastly, there
should be no offensive odors from flowers or
foliage
While it is perhaps not possible to select
a tree possessing all these qualifications, we
can select those species which make the
nearest approach to perfection, among
which the following are most available.
First. Silver maple, deer dosycarpum.
This is very properly held in high estima-
ton as street tree, and possesses most of
the qualities required 1t is of rapid growth,
of upright form unless thrown out of it's
normal shape by iniudicious pruning
foliage ample, at the same time not so dense
as to prevent partial circulation of air
through its branches. 1t is comparatively
free from insects, is easily transplanted, and
cheaply propagated. Seeds sown in June
will furnish plants three or more feet in
height the same season.
Second. Sugar maple, Acer Sacchdrinum.
This is one of the most beautiful of all our
naples; there are but few trees of any kind
that can excel it. For beauty, density, and
form of the foliage in spring and summer,
for the great variety Of brilliant hues and
shades OF the leaves in the fall, for its state
ly gracefulness at all times, for its symmet-
rical contour, enhanced from its habit OF
supporting heavy top of branches on
comparatively slender stem,-for all these
qualities it is unrivalled.
When once established, this maple is well
fitted for street tree. 1t is of slower
growth than the silver maple, and does not
bear the effects Of transplanting SO well, but
grows with sufficient rapidity after it re-
covers the effects of a removal. 1t is one
of the best trees for planting on straight
avenues to country residences.
Third. Norway maple, deer Platanoides.
This is also held in high estimation as an
ornamental tree. No other tree affords so
dense shade or forms such a massive head
of foliage. The leaves are large, dark green
in color during summer, turning yellow in
the fall. On account of the density of its
foliage it should not be placed too near to
dwelling houses. 1t is of slow growth when
young, and indeed at all times, as compared
with many other trees, but with these
exceptions it is the best OF all for street
tree. No insects seem to disturb it, and it
flourishes well in crowded cities, and no
storms seem able to break or dislOdge it in
any way and this latter is quality of great
moment in cities, where sudden gusts often
prevail, uprOOting every tree IN their course.
Fourth. American linden, TiIia americana.
This well known native tree is of robust
and lofty growth, well fitted for planting
on the margins of wide streets and avenues,
where it will have ample room to spread,
and affects the suburbs rather than the
crowded parts of city. 1t has an album
dance of foliage for all necessary shade, is
noted for its fragrant flowers, which furnish
much valuable food for bees. 1t is easily trans
planted and makes rapid growth in loamy
soils.
hlliCliNtSh Clili, CtWuS fWtTiCURU.
This is favorite tree with those persons
who admire extensive growth combined
with certain degree of the picturesque in
trees. Its repute as q street tree has been
greatly impaired on account OF it's liability
to injury from insects; but it is not equally
subject to these pests i'll all localities, neither
are all seasons alike favorable to insect dep
relations, nor all positions equally suited to
their increase. Trees springing out of the
closely paved sidewalk are comparatively
exempt from injury as compared with trees
in fields and lawns. The great beauty of
this fine tree, and its rapid, towering growth,
are recommendations for its adoption in
planting wide streets and avenues
Sixth. Tulip tree, Lirodendron tulipifera.
This is one Of the most beautiful Of all our
forest trees. 1t is not surpassed by any
other tree in the beauty of its foliage and
flowers, in the columnar massiveness and
elegance of its stem, or the general symme-
try of its developement. In good soil it
makes rapid growth, as much as the silver
maple; but it is rather difficult to transplant
successfully. To insure success it should be
prepared by yearly removals for at least two
seasons before setting it out in permanent
situation. This tree is seldom injured by
insects and no other traa borpon;1aO CO