Assertion: garden | /r/HasProperty | increased to arboretum
Facets:
value: under kew's director
type: OTHER
Source sentences:
text: Under Kew's director, William Hooker, the gardens were increased to 30 hectares (75 acres) and the pleasure grounds, or arboretum, extended to 109 hectares (270 acres), and later to its present size of 121 hectares (300 acres).