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Link: • Nicolaus Joseph, baron von Jacquin to Carl Linnaeus, 20 October 1760 n.s.
Dated 20. Octobris 1760. Sent from Wien (Austria) to ? (). Written in Latin.


After an introductory list of 50 species, seeds of which 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.
had sent to Linnaeus, Jacquin explains that he did not want to risk the seeds sent to Linnaeus by sending them during the coldest part of the year. So he must send what he had managed to collect so far, and would send the rest next year. – Linnaeus should tell him if he had made mistakes in the determination of some plant.

Jacquin comments at some length some plants and asks Linnaeus to be patient with his questions: Jacquin had nobody to ask, the professor in botany in Vienna was of no use and had never learnt botany properly, so Jacquin and Franz von MygindMygind, Franz von
(c.1710-1789). Danish/Austrian.
Counsellor of the imperial court in
Vienna. Correspondent of Linnaeus.
were now his teachers. The garden was laid out by him after Gerhard van Swieten’sSwieten, Gerhard van
(1700-1772). Dutch. Pupil of Boerhaave.
Called by Maria Theresa to Vienna, where
he organised the public health system.
Correspondent of Linnaeus.
design, but he had lost interest in that too.

A long and detailed description of Ayemia is given, with a question if it is a new species or not. The letter concludes with detailed descriptions of three trees from the West Indies, which Jacquin had omitted from his publication (Jacquin refers to Enumeratio systematica plantarumJacquin, Nicolaus Joseph, baron von
Enumeratio systematica
plantarum, quas in insulis Caribaeis
vicinaque Americes continente detexit
novas, aut jam cognitas emendavit

(Leiden 1760).
). Jacquin asks for Linnaeus’ opinion on their identity and attribution.



a. (LS, VII, 196). [1] [2]