1. NHD18/49 Reference (shelfmark): NHD18/49 Title: Plant of the family Acanthaceae, Ruellia ringens Scope & Content: Plant of the family Acanthaceae, ‘Ruellia ringens’ Original inscriptions: ‘Ruellia ringens’ Further inscriptions: Artist: Medium: Watercolour Size: Note: Collection Area: Visual Arts Languages: Not applicable Date Range: 1798-1805 Extent: 1 Item