St. John's wort, Hypericum perforatum, Polyadelphia, 1,2, and blue bottle or cornflower, Centaurea cyanus, Syngenesia, 3-5. Handcoloured copperplate engraving by F. Sansom of a botanical illustration by Sydenham Edwards for William Curtis' Lectures on Botany, as delivered in the Botanic Garden at Lambeth, 1805.
St. John's wort, Hypericum perforatum, Polyadelphia, 1,2, and blue bottle or cornflower, Centaurea cyanus, Syngenesia, 3-5. Handcoloured copperplate engraving by F. Sansom of a botanical illustration by Sydenham Edwards for William Curtis' Lectures on Botany, as delivered in the Botanic Garden at Lambeth, 1805.