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Link: • Carl Linnaeus to Pehr Kalm, 28 December 1745 n.s.
Dated 17 Dec. 1745. Sent from Uppsala (Sweden) to Stockholm (Sweden). Written in Swedish.


Linnaeus is overwhelmed with work and has not been able to answer Pehr Kalm’sKalm, Pehr (1716-1779).
Swedish. Botanist and traveller,
professor of natural history at
Åbo. Disciple of Linnaeus.
Travelled in North America 1748-1751.
Correspondent of Linnaeus.
letter until now [this, or these letters have not come down to us].

He has finally received a letter from Pehr ElviusElvius, Pehr (1710-1749).
Swedish. Engineer and mathematician,
secretary of the Royal Swedish Academy
of Sciences.
, saying that the instruction for the project [Linnaeus refers to the plans to send Kalm to Noth America and Canada) should be drawn up with the assistance of Sten Carl BielkeBielke, Sten Carl (1709-1753).
Swedish. Baron, government official,
patron of science, and naturalist. One
of the founders of the Royal Swedish
Academy of Sciences. Private pupil of
Linnaeus. Close friend of Pehr Kalm,
whose voyage to America he supported
financially. Correspondent of Linnaeus.
. He and Kalm can present the project, and Linnaeus will sign it and send it on the same day, but it is urgent. Linnaeus must have the document this week. They must stress the following objects and benefits of the project:

to collect various seeds of grass that can endure our climate.

to acquire many species of trees that are economically useful and can thrive here.

many of the most important plants in our gardens originate from Canada and endure our winters without special protection.

Canada can offer mulberry-trees, sassafras, Radix Ninsi etc.; only one of these would defray the expedition one hundred times,

not to mention the scientific value to the Acts of the Academy.

Linnaeus wants Kalm to draw this plan and send it to Linnaeus for him to sign, otherwise it will not be done before Christmas.

Linnaeus sends his regards to Bielke and promises that his application will be treated favourably.


a. original holograph (Göteborgs universitetsbibliotek, Musei arkiv no 1138). [1] [2]


1. Bref och skrifvelser (1922), vol. I:8, p. 16-17   p.16  p.17.