14 
or enlightenment, except that a limited space in the building containing 
the rooms for instruction may be designated by the party of the second 
part to be used exclusively for research purposes. 
Jurisdiction of Commissioner of Parks 
SEVENTEENTH.—It js expressly understood and agreed that the botanic 
garden and arboretum, established and maintained on park lands in the 
Borough of Brooklyn, shall be under the general jurisdiction of the Park 
for changes, repairs, alterations or renewals to structures in said garden 
and arboretum, or their equipments, shall be made by the party of the 
second part to the Park Commissioner of the Boroughs of Brooklyn and 
ueens, 
Electric Light and Power 
EIGHTEENTH.—It is expressly understood and agreed that the necessary 
electric current required for the lighting of the botanic garden and arbo- 
retum, the plant houses and the building containing the instruction rooms 
located therein, and the necessary electric power required for the ventila- 
tion of the plant houses and rooms of instruction, may be provided, wholly 
or in part, from the power plant of the Museum of the Brooklyn Institute 
of Arts and Sciences, situated on adjacent park lands leased to the said 
Institute, party of the second part; that metal pipes or conduits may be 
laid between the power plant of said museum to the grounds, the plant 
inbefore described; and that the cost of furnishing electric current or 
electric power from the power plant of said museum shall be a part of 
the annual maintenance fund of the botanic garden and arboretum, paid 
by the party of the first part to the party of the second part, 
Brooklyn Institute Herbarium and Collections 
NINETEENTH.—That the party of the second part herewith agrees that 
the herbarium of the Institute and other botanical collections contained 
in the museum of the Institute, Eastern Parkway and Washington Avenue, 
shall be used by the Institute in carrying out its plan and purposes in estab- 
ishing, developing and maintaining a botanic garden and arboretum for 
the benefit of the residents of the City of New York. 
Quittal and Surrender of Premises 
TWENTIErH.—That the said party of the second part may at any time 
after the expiration of three and before the expiration of six months of 
the date of the service of a notice in writing to the said party of the first 
part, its successor or successors, or to the Mayor of the City of New 
York, of its intention so to do, quit and surrender the said premises and 
remove all its property therefrom, except as hereinbefore provided; and 
upon and after such notice said party of the second part shall and will, 
