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GRADUATES CLASS OF 1905 99 

Planting and Preservation of City Trees. He is a member of 
the executive committee of the Long Island Agricultural Edu- 
cation Association and of the botany department of the 
Brooklyn Institute of Arts and Sciences; has lectured at the 
Yale Forest School on ornamental and shade trees, and has 
been called by many cities to organize tree commissions for 
them, lecture and start them in their work on the care and 
planting of trees. 
He writes: “My chief interest during the past six years has 
centered around the city tree problem of the country. Seven 
years ago I saw the need of championing forestry among the 
city dwellers and to put the tree problems of our parks on a 
scientific footing. It’ was all in the hands of untrained men. 
Brooklyn and Queens Park departments offered the opportunity 
for demonstrating the possibilities of such work and from that 
very moment I had to fight against all sorts of odds to introduce 
new methods and get scientific tree care recognized. We are 
still spending nearly $4,000,000 annually on parks in New York 
‘City and only a very small fraction of this goes to tree work. 
But now we are getting more and more interest in the trees 
and the people are fast becoming educated to it. It had to 
be done by systematic and constant effort in writing, lecturing, 
talking from the platform, defying politicians, etc. I traveled 
to other cities and did the same there and now we have many 
cities awake to it. I am now especially interested in seeing 
municipal forests established in cities and to have these displace 
the common, conventional and extremely expensive formal 
park.” 
Levison is a member of the Ethical Culture Society of Brook- 
lyn, Mason Lodge, Brooklyn Entomological Society, Brooklyn 
Institute of Arts and Sciences, American Association of Park 
Superintendents, New York Academy of Sciences, American 
Forestry Association and the American Tree Planting Asso- 
ciation of Brooklyn. 
He has written several hundred articles and interviews on city tree 
work and delivered over three hundred lectures in New York and many 
other cities throughout the East. His pamphlets have been published by 
many associations and he has given courses in city tree work in several 
institutions. 
