 Beyond the carriage loop is an expanse of gently sloping lawn with a rose garden that radiates in a fan from a circular bed.An existing bull bay/evergreen magnolia (Magnolia grandiflora) is one of the few remaining specimen trees from the early planting.The boundaries and curtilage remain in their 1872 form, with cycles of embellishment and neglect reflecting the changing tides of governmental attitude to spending and to the role of the governors.