Philippe Édouard Léon Van Tieghem






Philippe Édouard Léon Van Tieghem (1839-1914)


Philippe Édouard Léon Van Tieghem (19 April 1839 – 28 April 1914) was a French botanist born in Baillleul in the département of Nord.[1] He was one of the best known French botanists of the latter nineteenth century.[2]




Contents






  • 1 Life


  • 2 Selected publications


  • 3 System


  • 4 References


  • 5 Bibliography


  • 6 External links





Life


Van Tieghem's father was a textile merchant who died of yellow fever in Martinique before he was born, and his mother shortly thereafter.[3] One of five children, he obtained his baccalauréat in 1856, and continued his studies at the École Normale Supérieure, where after receiving agrégation, he worked in the laboratory of Louis Pasteur (1822–1895). Here he performed research involving the cultivation of mushrooms. He is credited with creation of the eponymous "Van Tieghem cell", a device mounted on a microscope slide that allows for observing the development of a fungus' mycelium.


In 1864 he earned his doctorate in physical sciences with a thesis titled Recherches sur la fermentation de l'urée et de l'acide hippurique, and two years later obtained a doctorate in natural history. From 1873 to 1886, he taught classes at the École centrale des arts et manufactures, and from 1878 to 1914, was a professor at the Muséum national d'histoire naturelle. Within this time period (1899–1914), he was also an instructor at the Institut agronomique in Paris.


In 1871 he became a member of the Société philomathique de Paris, and in 1876 gained membership to the Académie des sciences. In 1874 he translated the third edition of Julius von Sachs' Lehrbuch der Botanik textbook (1873) from German into French as Traité de botanique conforme à l'état présent de la science.[1] Van Tieghem's own Traité de botanique appeared in 1884, in which he outlined his schema for taxonomic classification.


In 1876 he was the first to describe blastomycosis, a fungal infection that is also known as "Gilchrist disease", named after Thomas Casper Gilchrist (1862–1927), who published a treatise on the condition in 1896.[4] He died in Paris in 1914.[1]


He also wrote extensively on the mistletoe family of Loranthaceae, with much of his taxonomic work surviving to the present day.[5][6][7][8]



Selected publications




  • Recherches comparatives sur l'origine des membres endogènes dans les plantes vasculaires, 1889 - Comparative research on the origin of endogenous members of vascular plants.


  • Eléments de botanique, 1886 2nd. ed. 1891, 2 vols., 3rd. ed. 1898, 4 vols. 5th ed. 1918 (Elements of botany)


  • Traité de botanique 1884, 2nd ed. 1891


  • L'Oeuf des Plantes considéré comme base de leur Classification, 1901.


  • Nouvelles observations sur les Ochnacées, 1903 - New observations on Ochnaceae.


  • Sur les Luxembourgiacées, 1904 - On Luxemburgiaceae.


  • Travaux divers: Pistil et fruit des Labiées, Boragacées et des familles voisines: Divers modes de Placentation: Anthères hétérogènes. : Une graminée à rhizome schizostélique: A propos de la Strasburgérie, 1907 - Diverse works, Pistil and fruit of Labiatae, Boraginaceae, etc.[9]



System


Van Tieghem's primary grouping was into embranchements (branches), followed by sous-embranchement (sub-branches), classes, orders, families, genera, species and varieties.


His four branches (1st edition) were, as follows, with the Phanerogames divided into two sub-branches. The angiosperms contain two classes, Monocotyledonés and Dicotyledonés;



  1. Thallophytes


  2. Muscinées (mosses)

  3. Cryptogames vasculaires


  4. Phanerogames

    1. Gymnospermes


    2. Angiospermes

      1. Monocotyledonés

      2. Dicotyledonés






He further divided the Monocotyledonés into four orders (ordres), based just on the presence or absence of a perianth and the position of the ovary, which in turn were divided into families (familles);[10][11]* Monocotyledonés,



    • Corolle nulle ovaire supère: Graminidées

    • Corolle sépaloïde ovaire supère: Joncinées

    • Corolle pétaloïde ovaire supère: Liliinées

    • Corolle pétaloïde ovaire infère: Iridinées


The Liliinées order contained five families;



  1. Alismacées

  2. Commelinacées

  3. Xyridacées

  4. Pontederiacées

  5. Liliacées


The standard author abbreviation Tiegh. is used to indicate this person as the author when citing a botanical name.[12]


References





  1. ^ abc BNF 2015.


  2. ^ Isely 1994, pp. 225–226.


  3. ^ Nougarède 2008.


  4. ^ Gilchrist disease @ Who Named It


  5. ^ Tieghem, P.E.L. van (1895) Bulletin de la Societe Botanique de France 42: 25, 85, 175


  6. ^ van Tieghem, P. E. L. (1895). "Sur Les Loranthoidées De La Nouvelle-Zélande." Bulletin de la Société Botanique de France 42(1): 23-30


  7. ^ van Tieghem, P. E. L. (1895). "Sur Les Loranthoidées D' Australie." Bulletin de la Société Botanique de France 42(2): 82-88


  8. ^ van Tieghem, P. E. L. (1895). "Sur Le Groupement Des Espèces En Genres Dans Les Loranthées A Calice Dialysépale Et Anthères Oscillantes Ou Struthanthées." Bulletin de la Société Botanique de France 42(2): 161-180


  9. ^ Sociétés savantes (publications)


  10. ^ Van Tieghem 1884, p. 1340.


  11. ^ Dahlgren & Clifford 1982, p. 3.


  12. ^ IPNI.  Tiegh..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"""""""'""'"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}






Bibliography


.mw-parser-output .refbegin{font-size:90%;margin-bottom:0.5em}.mw-parser-output .refbegin-hanging-indents>ul{list-style-type:none;margin-left:0}.mw-parser-output .refbegin-hanging-indents>ul>li,.mw-parser-output .refbegin-hanging-indents>dl>dd{margin-left:0;padding-left:3.2em;text-indent:-3.2em;list-style:none}.mw-parser-output .refbegin-100{font-size:100%}



  • Dahlgren, Rolf; Clifford, H. T. (1982). The monocotyledons: A comparative study. London and New York: Academic Press. ISBN 9780122006807.


  • Van Tieghem, Philippe Édouard Léon (1884). Traité de botanique (in French) (1st ed.). Paris: Savy. Retrieved 27 December 2015. (also available here, at Gallica)


  • Van Tieghem, Philippe Édouard Léon (1891) [1884]. Traité de botanique (in French) (2nd ed.). Paris: Savy. Retrieved 27 December 2015.


  • Chodat, R (1915). "Philippe van Tieghem 1839–1914". Berichte der Deutschen Botanischen Gesellschaft (in German). 33 (11): 5–10. doi:10.1111/j.1438-8677.1915.tb07035.x (inactive 2019-02-13). Retrieved 27 December 2015.


  • "Philippe van Tieghem (1839-1914)". data.bnf.fr. Bibliothèque nationale de France. 9 October 2015. Retrieved 27 December 2015.


  • Nougarède, A (2008). "Van Tieghem, Philippe". Complete Dictionary of Scientific Biography. 13. Scribner. pp. 405–406. Retrieved 27 December 2015.


  • Isely, Duane (1994). One Hundred and One Botanists. Ames: Iowa State University Press. ISBN 978-0-8138-2498-7. Retrieved 27 December 2015.




Note: This is a selected list of the more influential systems. There are many other systems, for instance a review of earlier systems, published by Lindley in his 1853 edition, and Dahlgren (1982). Examples include the works of Scopoli, Batsch and Grisebach.





External links




  • Biography (in French) Institut Pasteur, Repères chronologiques.


  • Merriam Webster Dictionary Van Tieghem cell









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