Definition of "pictural"

Thence brought them to the second rowme, whose wals Were painted faire with memorable gestes Of famous wisards; and with picturals Of magistrates , of courts , of tribunals […]

1590, Edmund Spenser, “Book II, Canto IX”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie

Horace Walpole, in a short essay, distinguished by his usual accuracy of information, and ornamented by his wit and taste, has traced the history of gardening, in a pictural sense, from the mere art of horticulture to the creation of scenery of a more general character, extending beyond the narrow limits of the proper garden and orchard.

1828 March, Walter Scott, “Article XV. On Landscape Gardening.”, in The Miscellaneous Prose Works of Sir Walter Scott, Bart., volume XXI, Edinburgh: […] [Ballantyne & Co. for] Robert Cadell; London: Whittaker and Co., published 1836, pages 79–80