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Ergot of rye, Claviceps purpurea
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Ergot of rye, Claviceps purpurea
Ergot of rye, Claviceps purpurea. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimens Medicinal Plants, London, 1880
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Media ID 23154286
© Florilegius/Mary Evans
Apothecary Bentley Blair Hanhart Herbal Medicinal Purpurea Trimen Ergot
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Ergot of Rye, Claviceps purpurea, is a parasitic fungus that infects the flowers and seeds of various grasses, including rye. In this stunning handcoloured lithograph by Hanhart, based on a botanical illustration by David Blair from Robert Bentley and Henry Trimner's "Medicinal Plants" published in London in 1880, we see the intricate details of this fascinating organism. Ergot of Rye has a long history of use in herbal medicine, particularly in Europe. The fungus produces a range of alkaloids, including ergine and ergotamine, which have hallucinogenic and vasoconstrictive properties. Traditionally, ergot was used to induce labor, treat menstrual disorders, and alleviate symptoms of syphilis and other diseases. Despite its medicinal uses, ergot of rye can also be dangerous. Ingestion of large quantities can lead to ergotism, a condition characterized by convulsions, hallucinations, and gangrene. The fungus can also contaminate rye crops, leading to mass poisonings, as was the case in the Middle Ages during the infamous "Dancing Plague" of 1518. The intricate structure of the ergot sclerotia, or "clavices," is depicted in this beautiful lithograph. Each sclerotium contains a network of interconnected hyphae, which form a dense, compact mass. The sclerotia are typically found in the ears of infected grains and can survive for many years, waiting to be released into the environment when the grain is harvested and used for animal feed or human consumption. This handcoloured lithograph is a testament to the beauty and complexity of the natural world, and serves as a reminder of the important role that plants and fungi have played in human history as sources of medicine and food.
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