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Link: • Carl Linnaeus to Johan Otto Hagström, 4 October 1769 n.s.
Dated 1769 d. 4 Octob.. Sent from Uppsala (Sweden) to Linköping (Sweden). Written in Swedish.


Linnaeus has just returned from a visit to Abraham BäckBäck, Abraham (1713-1795).
Swedish. Physician, president of the
Collegium Medicum, Stockholm. Close
friend of Linnaeus. Correspondent of
, when he receives Johan Otto Hagström’sHagström, Johan Otto
(1716-1792). Swedish. Physician and
naturalist. Linnaeus’s student. Linnaeus
wrote the introduction to his Pan
(1768), on bee-pollinated
flowers. He was one of the tutors of
Carl Linnaeus the Younger. Correspondent
of Linnaeus.
letter [Hagström to Linnaeus, 25 September 1769Letter L4253]. He notes Hagström’s diligence and discusses the problems connected with writing a paper. To write a treatise with observations as Livin LemniusLemnius, Livin (1505-1568).
Dutch. Clergyman, the first who wrote
about plants in Bible.
takes more than the large compilations of Johannes BodaeusBodaeus, Johannes (Johannes).
Dutch. Physician and botanist.
[Linnaeus refers to the Theophrasti Eresii de Historia plantarumBodaeus, Johannes Theophrasti
Eresii de Historia plantarum libri X […]
totum opus absolutissimis cum notis, cum
commentariis, item rariorum plantarum
iconibus, illustrationibus &c

(Amsterdam, 1644).
. Lemnis is an author, Bodaeus is a compilator.

Linnaeus says that it is difficult to find an observant German who is not born to be a compilator, and is not surprised that Gleditsch has not made observations but has simply written what he has believed. Linnaeus advises Hagström not to include Gleditsch in his writings but simply to say that Gleditsch had written on the same subject but not in such detail.

Linnaeus has not read Gleditsch’s book [Linnaeus refers here to the Vermischte physikalisch-botanisch-ökonomische AbhandlungenGleditsch, Johann Gottlieb
, 3 vol. (Halle,

Linnaeus says that his Receptaculum did not exude any sweet juices when the air got colder, but that it certainly became reduced in size in proportion to the warmth in the air.

Linnaeus complains that his publisher has made an error in connection with Helianthus annuus [Linnaeus refers to the remarks made by Hagström in his last letter].

Linnaeus regrets that the seeds didn’t germinate. The same said Pehr KalmKalm, 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.
, the same problem occurred in his own garden, Linnaeus fears he his gardener did not collected enough seeds the year before.

Linnaeus then gives Hagström examples of how he describes plants, and how he shows the printer where to use italics, capitals, etc.

Linnaeus doubts whether a plant that thrives in warmer climates would be rejected by bees in colder ones; it cannot be possible, nature remains the same.

Then Linnaeus answers Hagström’s request about a “winter argument”, and promises to give it some thought but emphasises that it is difficult to find something in a hurry.

Linnaeus praises Hagström’s observations, and says he always reads them with great pleasure.


b. contemporary copy (KVA, Swartziska samlingen). a. original holograph (Göteborgs universitetsbibliotek, H 52:3). [1] [2]


1. Bref och skrifvelser (1912), vol. I:6, p. 286-287   p.286  p.287.