California Code, Government Code - GOV § 14673.7

The Director of General Services, with the concurrence of the Director of Parks and Recreation, shall quitclaim to the County of Los Angeles, at no cost to the county, all interests of the state in the state and county arboretum at 301 North Baldwin Avenue, Arcadia, California, consisting of approximately 111 acres.  The county shall develop, maintain, operate, and preserve the land as a botanical garden for public park and recreation use.  Natural, historic, and cultural resources existing on the site shall continue to be maintained, preserved, interpreted, and protected for public enjoyment.  No change in use of the property from public park and recreation purposes without specific approval of the Director of Parks and Recreation shall be allowed.  Upon any breach of these conditions, the state may reenter the property, and upon that reentry, the interest of the County of Los Angeles shall terminate and ownership shall be entirely in the state.