Pretty blue, white, and yellow Gentian with green stems and leaves on black socks. Whether you believe in the healing powers of nature or simply think these flowers are beautiful, Apothecary Florals Gentian Socks will add loveliness to your feet. FYI-the Gentian has been known to repel digestive problems, muscle spasms and even parasitic worms. Don't let those pretty trumpet-shaped petals fool you. This is one powerful flower!