Black salsify, Scorzonera hispanica 1, mountain houseleek, Sempervivum montanum 2, snakeroot, Sagittaria sagittifolia 3, cornflower, Centaurea cyanus 4, Judas tree, Cercis siliquastrum 5, African iris species 6-8. (Sedum, Sesamoides, Scorzonera, Serpentaria, Siligua seu Arbor Judae, Sisyrinchium) Handcoloured copperplate engraving after Mario Cammerari from Professor Filippo Arena's La natura e cultura dei fiori fisicamente esposta (The nature and culture of flowers physically displayed), Palermo, Italy, 1771.
Black salsify, Scorzonera hispanica 1, mountain houseleek, Sempervivum montanum 2, snakeroot, Sagittaria sagittifolia 3, cornflower, Centaurea cyanus 4, Judas tree, Cercis siliquastrum 5, African iris species 6-8. (Sedum, Sesamoides, Scorzonera, Serpentaria, Siligua seu Arbor Judae, Sisyrinchium) Handcoloured copperplate engraving after Mario Cammerari from Professor Filippo Arena's La natura e cultura dei fiori fisicamente esposta (The nature and culture of flowers physically displayed), Palermo, Italy, 1771.