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Link: • Nicolaus Joseph, baron von Jacquin to Carl Linnaeus, 9 October 1773 n.s.
Dated 9 Octobris 1773. Sent from Wien (Austria) to (). Written in Latin.


Nicolaus Joseph von JacquinísJacquin, 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.
sends Linnaeus some plates from his material for the Vienna Botanical Garden (Jacquin refers to the Botanical Garden of the University of Vienna, founded in 1754).

One is a plate of a small tree, where Jacquin does not find even a suitable genus anywhere in Linnaeusís works. The tree is described.

On several others, such as Anthericum asphodeloide and Potentilla caulescens, Jacquin is not sure of the attribution and asks Linnaeus to check and help. Especially, the Potentilla causes him trouble, since he has three variants which he considers to be of separate species, which is in contrast to the meaning of Albrecht von HallerHaller, Albrecht von
(1708-1777). Swiss. Naturalist and
poet, professor of medicine, botany,
anatomy and surgery at Göttingen
1736-1753. Correspondent of Linnaeus.

Two Gnaphalium, Convolvulus volubilis and Chenopodium sinense are other instances where Jacquin wants Linnaeusís help to decide if it is an unknown species or not.

Some seeds and small specimens enclosed are briefly described.



a. (LS, VII, 281). [1] [2]