Christian Luerssen

Christian Luerssen ( born May 6, 1843 in Bremen, † June 28, 1916 in Charlottenburg ) was a German botanist. Its official botanical author abbreviation is " Luerss. "

Biography

Youth and Education

Luerssen was born the son of a cigar manufacturer in Bremen. With the desire to become a teacher, he joined in 1858, after the completion of the better elementary school in the newly founded Bremer teacher seminar, led by education reformers and textbook author August Lubin, a. After graduation, he worked as a teacher in Bremen, before he could take up a study of the natural sciences in Jena, with the support of the Bremen Senate, where he also heard physics at Ernst Abbe next to zoology and botany. In 1868 he received his doctorate in here with a botanical work, and returned to Bremen.

Curator and author

In 1869 he received an assistantship in Leipzig in August Schenk, who later gave him the job as curator of the Universitätsherbariums. 1872 Luerssen here habilitation with a thesis on the history of the fern sporangia. Together with Schenk gave Luerssen he gave the messages from the general field of botany ( Leipz., 1871-75 ) out, while his own research involved in this time, especially with the Ferns of Australia and Oceania. To feed his family, who since the beginning of its activity Leipzig married Luerssen was forced to take a side job as an author. In addition to reviews for scientific journals, he wrote textbooks and manuals. Its traits of botany and his Medical Botany Pharmaceutische distinguished themselves through descriptive methodological workup and achieved the status of standard works. Contemporary botanists estimated Luerssen as "one of the first botanical writer now living, his textbooks and manuals are the best available at the time. "

Professor in Eberswalde

In 1884 he was appointed as a forest botanist at the Royal Academy of Forestry in Eberswalde. Here the cryptogams remained his research focus. As an author, he performed with the forest science part in Tuisko Loreys Manual of Forestry and with the revamp of the Farnpflanzenbandes of Louis Horst Rabe cryptogamic flora in appearance.

Botanist in Königsberg

1888 Luerssen was appointed to the University of Konigsberg, where he was Director of the Botanical Institute and the Botanical Gardens until 1910. During this time and until his death he was editor of the Bibliotheca Botanica, a number of botanical research contributions, which exists to this day. His own scientific work was limited almost exclusively to the field of systematic botany, while his real strength in teaching and in the development of teaching materials was methodically thought out. 1910 went Luerssen health reasons to retire, which he spent in Gdansk and Berlin- Charlottenburg.

Luerssen was buried in the West Stahnsdorf, where his grave is preserved.

Writings (selection )

  • About the influence of the red and blue light on the flow of the protoplasm in the stinging hairs of Urtica and the stamen hairs of Tradescantia virginica. Dissertation, Jena 1868.
  • Contributions to the development history of the fern sporangia. Habilitation. In: August Schenk, Christian Luerssen: Mittheilungen from the Gesammtgebiete botany. Vol 1, pp. 313-344, Vol 2, pp. 1-42, Leipzig, 1872/1874, ISSN 842581-4.
  • The plant group of ferns ( = collection exoteric scientific lectures. Serie IX, Issue 197). Lüderitz, Berlin, 1874.
  • Broad botany. Refresher for studies yield the natural sciences and medicine and textbook for polytechnic agricultural and forstwirthschaftliche schools. Haessel, Leipzig 1877 (5th, revised and partly revised edition. Ibid. 1893).
  • Handbook of systematic botany with special reference to medicinal plants. = Medicinisch - Pharmaceutische Botany, at the same time as a handbook of systematic botany for botanists, doctors and pharmacists. 2 vols. Haessel, Leipzig from 1879 to 1882.
  • The plants of the Pharmacopoeia Germanica. Haessel, Leipzig 1883.
  • The introduction of Japanese forest trees in German forests. In: Journal of the Forestry and Hunting. 18 Jg, ZDB - ID 395073-6, 1886, pp. 121-143, 251-273, 313-336, 442-448, 545-580.
  • Forest Botany - plan the special morphology of the German trees and shrubs, the main types of forest ground flora and tree -destroying fungi. In: Tuisko Lorey (eds. ): Handbook of Forest Science. Vol 1, 1: Forest production theory I. Laupp, Tübingen 1888, pp. 321-514.
  • The Ferns of vascular bundles or cryptogams ( Pteridophyta ) (= Dr. Ludwig Rabenhorst 's cryptogamic flora of Germany, Austria and Switzerland. Vol. 3). 2nd edition. Grief, Leipzig 1889.
  • Contributions to the knowledge of the flora of Western and East Prussia. Mittheilungen from the Royal Botanical Institute of the University of Königsberg in Prussia I - (. = Bibliotheca Botanica Vol 6, Issue 28, ISSN 0067-7892 ) III. Naegele, Stuttgart 1894, online.
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