Victor Fayod

Victor Fayod (23 November 1860 – 28 April 1900) was a Swiss mycologist, who created an influential novel classification of the agaric fungi and who described a number of new genera and species.

Biographical overview

Fayod was born on 23 November 1860 in Salaz, which is a small locality close to Bex in the Swiss canton of Vaud. He was a grandson of a famous Swiss geologist, Johann von Charpentier.[2] After attending school in Bex and Lausanne, he studied Mathematics and later Silviculture at Zürich polytechnic. He was strongly interested in botany and mycology, but his work in those areas had to be conducted in a private capacity.[3][4][5]

Fayod first worked with Heinrich Anton de Bary (1831–1888) in Strasbourg from 1881 to 1882, then as a tutor. He took a series of biology-related posts in Bad Cannstatt, Normandy, Nervi, the "Valli Valdesi" (in the Cottian Alps), and Genoa. He also assisted French bacteriologist André Chantemesse (1851–1919) in Paris. After working in a dental laboratory in Paris in 1890, he decided to take on dentistry as an alternative less precarious career and became qualified as a dental surgeon at the Paris faculty of medicine. However health problems soon caused him to return to Switzerland and his illness continued until his death on 28 April 1900.[6]

Scientific Achievements

Fayod mastered French, German and Italian and produced scientific papers in all three languages. A bibliography of his work can be found at the end of the Swiss Academy of Natural Sciences reference.[6]

He recognized the influence of Darwinism on botany and devised a new classification of the gilled fungi, based for the first time on microscopic features such as basidia, cystidia and spores.[7] He presented this classification in his most important work, "Prodrome d'une histoire naturelle des agaricinées" ("Prodrome of a Natural History of the Agarics"), in which he proposed some new generic designations which are still in use today: Agrocybe, Cystoderma, Delicatula, Omphalotus, Pholiotina, and Schinzinia. These genera, which bear his name as originating author, are the main reason that Fayod is still remembered. Some of them are well-known, containing common species, whilst others are less so. He also proposed many other new genus names which have not stood the test of time.[8]

Fayod's work focused primarily on the Hymenomycetes. One major result was his description of spore discharge in the Basidiomycetes involving the formation of a drop of liquid.[4][5] He left a collection of biological illustrations and other items which are preserved in the Conservatoire and Botanical Gardens of Geneva.[7]

The genus Fayodia was named in his honour, as was the species Pluteus fayodii (which may be only a synonym of Pluteus leoninus).[9]

gollark: I have one, but it ends up having to basically run the entire BIOS again to rebuild the environment, and is now quite tightly coupled to potatOS.
gollark: And I think <@111572502722920448> said something about making their own sandbox thingy. They definitely have an old and kind of bad but working one available.
gollark: You can look at the insanely complex partly self-modifying mess known as potatOS for inspiration.
gollark: What works better is just preventing access to directories or files via editing the `fs` API.
gollark: <@438023494953861142> Look, your thing is honestly not great at actually preventing access to anything, and is not a convincing copy of the shell. Also, you can open `lua` (probably) to just do `fs.delete` or whatever.

References
  1. IPNI.  Fayod.
  2. The tiny locality Salaz, where Fayod was born, is in the commune of Ollon, and not in the better known village of Bex, though very close. See the Swiss Academy of Natural Sciences article, where "Salaz" is mis-spelt.
  3. "Victor Fayod". Historisches Lexikon der Schweiz. Retrieved 15 February 2014.
  4. Money NP. (2002). Mr. Bloomfield's Orchard: The Mysterious World of Mushrooms, Molds, and Mycologists. Oxford [Oxfordshire]: Oxford University Press. ISBN 0-19-515457-6.
  5. Monthoux, Olivier (1986). "The year of Victor Fayod" Musées de Genève 27(261): 3–6 (in French).
  6. Prof. Ed. Fischer (1900). "Victor Fayod 1860 - 1900". Verhandlungen der Schweizerischen Naturforschenden Gesellschaft. 83: XXXII–XXXVI. Retrieved 15 February 2014. This article of the journal "Acts of the Swiss Academy of Natural Sciences" ("Actes de l'Académie suisse des sciences naturelles") is also available in French. The paper includes a list of Fayod's published works.
  7. "Herbier Fayod". Conservatoire et Jardin botaniques Ville de Genève. Retrieved 1 March 2014.
  8. Fayod, V. (1889). "Prodrome d'une histoire naturelle des Agaricinés". Annales des Sciences Naturelles, Botanique. Série 7 (in French). 9: 181–411, 365. The Gallica URL given allows download of the relevant sequence of pages through the "Télécharger" link. Fayod's approval of Darwinism is evident for instance from his introduction, including the first page (page 181).
  9. These and other assertions related to fungus species and genera can be checked using Index Fungorum.
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