Jean Louis Martin Castagne (11 November 1785, in

Marseille Marseille ( , , ; also spelled in English as Marseilles; oc, Marselha ) is the prefecture of the French department of Bouches-du-Rhône and capital of the Provence-Alpes-Côte d'Azur region. Situated in the camargue region of southern Franc ...

– 17 March 1858, in

Miramas Miramas (; oc, Miramàs) is a commune in the Bouches-du-Rhône department, in the Provence-Alpes-Côte d'Azur region, southern France. It is the second-largest commune in metropolitan Ouest-Provence and is located at the north end of the Éta ...

) was a French

botanist Botany, also called , plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field. The term "botany" comes from the Ancient Greek wo ...

and

mycologist Mycology is the branch of biology concerned with the study of fungus, fungi, including their genetics, genetic and biochemistry, biochemical properties, their Taxonomy (biology), taxonomy and ethnomycology, their use to humans, including as a so ...

. He was born into a merchant family in Marseille, and as a young man he worked in the banking business in his hometown. In 1814 he relocated to

Constantinople la, Constantinopolis ota, قسطنطينيه , alternate_name = Byzantion (earlier Greek name), Nova Roma ("New Rome"), Miklagard/Miklagarth (Old Norse), Tsargrad ( Slavic), Qustantiniya (Arabic), Basileuousa ("Queen of Cities"), Megalopolis (" ...

on behalf of family business, and in 1820 gained the post of deputy of commerce in Constantinople. In 1833 he returned to France, eventually settling in the city of Miramas, where in 1846 he was named mayor. The

brown algae Brown algae (singular: alga), comprising the class Phaeophyceae, are a large group of multicellular algae, including many seaweeds located in colder waters within the Northern Hemisphere. Brown algae are the major seaweeds of the temperate and po ...

genus ''Castagnea'' ( Derbès and Solier, 1856) commemorates his name, as does the

red algae Red algae, or Rhodophyta (, ; ), are one of the oldest groups of eukaryotic algae. The Rhodophyta also comprises one of the largest phyla of algae, containing over 7,000 currently recognized species with taxonomic revisions ongoing. The majority ...

species ''Polysiphonia castagnei'' ( Kützing, 1863). Also ''Castagnella'' 1914 (a tye of Fungi).

Principal works

* ''Observations sur quelques plantes acotylédonées de la famille des urédinées et dans les sous-tribus des némasporées et des aecidinées'', 1842 – Observations on some acotyledon plants of the family Uredineae, etc. * ''Catalogue des plantes qui croissent naturellement aux environs de Marseille'', 1845 – Catalogue of plants native to the environs of Marseille. * ''Catalogue des plantes qui croissent naturellement dans le département des Bouches-du-Rhône'' (with

August Alphonse Derbès August Alphonse Derbès (8 May 1818, Marseille – 27 January 1894, Marseille) was a French professor of naturalist, zoologist and botanist at the University of Marseille who studied reproduction of sea urchins and of algae. Derbès was the fir ...

), 1862 – Catalogue of plants native to the département of

Bouches-du-Rhône Bouches-du-Rhône ( , , ; oc, Bocas de Ròse ; "Mouths of the Rhône") is a department in Southern France. It borders Vaucluse to the north, Gard to the west and Var to the east. The Mediterranean Sea lies to the south. Its prefecture and large ...

.Louis Castagne (1785-1858)
data.bnf.fr

References

{{DEFAULTSORT:Castagne, Jean Louis Martin 1785 births 1858 deaths Scientists from Marseille French mycologists 19th-century French botanists