39 
history of the world.’ Asserting that we have passed the stage 
where flowers, trees, and parks are regarded as luxuries, he said: 
“They are now absolute necessities and we are going to put a 
tree every place in this city where we can stick one.’ This 
statement reflects the far-seeing and progressive plans and ac- 
complishment of our efficient Commissioner of Parks, Mr. Robert 
Moses. 
It has been a pleasure for the Brooklyn Botanic Garden to re- 
spond, through Dr. Graves, to the request of the Park Depart- 
ment for cooperation in naming the larger and more important 
trees in the City. The trees thus serve educational as well 
as aesthetic ends. A report of this cooperation is given by 
the curator of public instruction on page 79. e Garden 
has also acted in an advisory capacity with reference to the ques- 
tion of continuing, or otherwise, the conservatories in Central 
Park. 
The Garden has advised the Engineer of the Department of 
Parks with reference to different species of plants for decorative 
planting in the parks. 
Washington Avenue Sidewalk.—Owing to previous changes in 
grade of the roadway of Washington Ave., the sidewalk on the 
west side, along the Botanic Garden frontage, has for several 
years been below the level of the ground on either side, so that 
during heavy rains and especially during the melting of snow the 
walk became the bed of a stream, making foot traffic difficult. 
This condition had been pointed out to eee administrations. 
In June it was brought to the attention of Park Commissioner 
Moses. The work of regrading anc relaying ie walk was begun 
in July under the supervision of Mr. W. H. Latham, Park Engi- 
neer, and largely completed on August 24. The final grading 
operations were done by our own rien. 
Exchange of Plants.—The appenced report of the Horticulturist 
records our supplying the Department of Parks with propagating 
material of different varieties of Waterlilies sufficient to make 
2600 divisions or plants. These were used in the lower lake in 
Central Park, where the boating >.f former years has been dis- 
continued by Commissioner Moses. 
On October 10 we received, in exchange, from the Department, 
