1. NHD18/53 Reference (shelfmark): NHD18/53 Title: Plant of the family Acanthaceae, Ruellia longifolia Scope & Content: Plant of the family Acanthaceae, ‘Ruellia longifolia’ Original inscriptions: ‘Ruellia longifolia’ Further inscriptions: Artist: Medium: Watercolour Size: Note: Collection Area: Visual Arts Languages: Not applicable Date Range: 1798-1805 Extent: 1 Item