Evening star., 1911-08-12
Shade Trees in City Almost
Clear of Pests.
BUT LITTLE COST INCURRED
Supt. Lanham Gratified Over Success
of Treatment.
CHANGE MADE IN SPECIES
Silverleaf Naples Abandoned. Nor
way Naples and Red Oaks In
creased-Cther Varieties.

That the nearly leo trees in the
District OF Columbia are in better con-
dition than they have been in twentv-tNs
years, that the tussoCk moth and the
caterpillar practically have disappeared.
and that this generally satisfactory state
of affairs has been brought about al a less
cost than amounts spent in previous
years. will be features OF the annual re-
port to be submitted shortly 10 the COM
missioners by Trucman Lanlam. District
superintendent of trees and parkings
While the exact amount spent I'm the
work will not be known until the Com
missioners have made public the report.
il is understood the showing is one which
will give the capital an enviable reputa
tion for the success IL has met with IN
the care and protection OF its trees That
few other cities in the country il any,
have made record that will equal il is
the belief.
Silverleaf Naples Discarded
1t was learned today that the depart
ment had abandoned the planting Of
silver leaf NAPLES. and that this species
is destined to become extinct Norway
NAPLES. il is understood. compose more
this year, although the red oak has in
creased in popularity. and indications
are that IL will be used upon a much
more extensive scale in the future
Beyond doubt. the most gratifying
feature of the years work has been the
successful war waged on the insects
that destroy the foliage of trees. Last
year eaterpillars ano tussock moths
worked almost unprecedented havoc. but
at the present time few of them exist.
and it is extremely probable that no
further sprayinss tais sumner Will 5e
necessary
4 new four hundred and atty gallon
sprayer. which was used this year In
addition to the srrayer that was il
operation last summer. Is principally
responsible for the reduced numbers of
Parasitic insects. While tie number OF
gallons of arsenate OF lead used will
not be known until the annual report IL
out. IT is said that the cost of operating
the sprayers was less than that OF a
year ago.
The SO, elns which are included in
the capitals tree list have been sprayed
twice, while the i.G@ lindens have been
SPRAYED but once n is said that on
these trees no caterpiliars at all are 10
be found al the present time,
Moths Disappearing.
The few tussock moths that are left
are on the silverleaf naples. II is not
anticipated that the insects will get much
of hold on these trees. but should they
appear in greater numbers the depart
ment will lose no time in giving the trees
a spraying of arsenate Of lead.
The departments decision to plant no
more silverleaf naples is due to the fact.
II is said. that these trees are so brittle
the slightest wind storm breaks off their
branches. which litters the city with
brush
The condemning of the silverleaf maple
makes four species in all that the de-
partment has abandoned. the other three
being the ashleaf maple. the Carolina
poplar and the honey locust. At present
there are about $1,000 silverleaf NAPLES
in the city.
Among the principal streets that have
the silverleaf maple are 10th and 18th
streets between Pennsylvania avenue and
Florida avenue northwest The trees on
these streets are gradually being replaced
with Norway naples.
The trees that have been planted this
year include elms lindens. Norway and
sugar naples. pin. red and scarlet oaks
and the Gincko. japanese tree that has
d rare foliage.
Red Oak Is Popular.
IL anything the red oak is thought to
be more popular than any OF The oak
species. and IL is believed a1, his tire
will be found in the Disirict in much
greater numbers i'm the future.
The District nurseries. il il said, have
provided enough trees to enable the de-
partment to plant new streets and street
extensions and keep the work up to date.
In view of the tact that the number
of caterpilars and moths have been
greatly reduced. IL is believed that the
spraying of the trees next year will be
conducted at an even less cost than that
experienced during the present season
c[MAI[ 0pD[Qc Dp0RE