Flora medica, oder, Abbildung der wichtigsten officinellen Pflanzen, Jena, August Schmid, 1831 i.e. 1829-1831, medicinal plants, The New York Botanical Garden, pictorial works, A detailed botanical illustration featuring the plant species Polygala amara. The drawing showcases the plant's distinctive features, including its elegant stems adorned with clusters of small blue flowers. Below the main depiction, two additional illustrations highlight specific elements of the plant: one showing a close-up of a flower and the other illustrating the root system. The delicate leaves exhibit a lush green color, enhancing the overall aesthetic of the artwork, which is labeled at the bottom with the plant's scientific name.