Nicolaus Joseph von JacquinJacquin, Nicolaus Joseph, baron von
(1727-1817). Dutch. Botanist. In
1755 at the order of emperor Franz I of
Austria he went to the Antilles and
South America. In 1763 he became
professor of mineralogy and chemistry at
Chemnitz, later professor of botany at
Vienna and director of the botanical
garden at Schönbrunn. Correspondent
of Linnaeus. thanks Linnaeus for the letter of 26 March 1775Letter L5088 and gives some more details on Cacalia and on Evonymus. Of the latter, he will send new seeds in the autumn.
Jacquin sends six more plates of species with the comments that he does not find them in Linnaeusís works or that he is not sure of the attribution.
Jacquin is going through his herbarium and is preparing for Linnaeus a number of duplicates of dried specimens of rare plants, especially those that have been treated in their correspondence. They will be sent together with the third part of Florae Austriacae, sive plantarum selectarumJacquin, Nicolaus Joseph, baron von
Florae Austriacae, sive
plantarum selectarum in Austriae A.
chiducatu sponte crescentium icones,
etc (Vienna 1773-1778). , and Jacquin will pay for the transport as far as Copenhagen.
Jacquin discusses Brassica campestris, with reference to a picture in [Flora Danica]. Icones plantarum sponte nascentium in regnis Daniae et NorvegiaeOeder, Georg Christian von
Icones plantarum sponte nascentium in
regnis Daniae et Norvegiae, in ducatibus
Slesvici et Holsatiae, et in comitatibus
Oldenburgi et Delmenhorstiae: ad
illustrandum opus de iisdem plantis,
regio jussu exarandum, Florae danicae
nomine inscriptum, 17 vol., Suppl.
(1 v.) (Copenhagen 1766 [i.e.
, cited by Linnaeus. Jacquin has another variant, rather like Brassica orientalis but not quite so. Jacquinís first question is if Linnaeusís Brassica campestris really looks like the picture in Flora Danica; then, Jacquin describes his plant in great detail, with emphasis on the form of the leaves. He will send seeds, to be sown in autumn to give a plant in the following year. In the letter, just a dried specimen of a young plant is enclosed.
Jacquin also encloses a dried specimen of a Gallius species not found in Linnaeusís works and a fruit of Mespilus chamaemepsilus.