Caption:
Bear's breeches or oyster plant, Acanthus mollis 1 leaf A flower B, and spiny bear's breeches leaf, Acanthus spinosus 2. Handcoloured copperplate engraving from Bertuch's "Bilderbuch fur Kinder" (Picture Book for Children), Weimar, 1807. Friedrich Johann Bertuch (1747-1822) was a German publisher and man of arts most famous for his 12-volume encyclopedia for children illustrated with 1,200 engraved plates on natural history, science, costume, mythology, etc., published from 1790-1830.