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Link: • Peter Collinson to Carl Linnaeus, 23 March 1745 n.s.
Dated March 12 1744/5. Sent from London (Great Britain) to Uppsala (Sweden). Written in English.


Peter CollinsonCollinson, Peter (1694-1768).
British. Merchant and amateur naturalist
in London, corresponded with many
scientists. Correspondent of Linnaeus.
thanks Linnaeus for the letter dated October 9, 1744 [this letter has not come down to us].

Collinson again sends seeds of Collinsonia, Rudbeckia and others, which he hopes Linnaeus will see growing this year.

Collinson is glad that Linnaeus exchanges letters with Cadwallader ColdenColden, Cadwallader
(1688-1776). American. Physician of
Scottish origin, botanist, physicist,
politician. Lieutenant governor of New
York. Correspondent of Linnaeus.
and John BartramBartram, John (1701-1777).
American. Botanist living in
Pennsylvania and Delaware. Father of
John Bartram the Younger and William
Bartram. Correspondent of Linnaeus.
, whom Collinson characterizes as indefatigable and ingenious. Linnaeus’s system is admired in North America. The two men mentioned are much obliged to Linnaeus for the honour that Linnaeus gives them.

Collinson reminds Linnaeus to send him seeds of Pulsatilla’s or other plants and flowers that do not grow in England.

Isaac LawsonLawson, Isaac (?-1747).
British. Scottish botanist and
physician. Correspondent of Linnaeus.
will stay in Germany the whole year. Delenius [Johann Jacob DilleniusDillenius, Johann Jacob
(1684-1747). German/British. Studied at
Giessen. Sherardian professor of botany
at Oxford. Correspondent of Linnaeus.
] is well, and Linnaeus’s letter to him [this letter has not come down to us] has been delivered.

Hans SloaneSloane, Hans (1660-1753).
British. Physician, naturalist and
collector. Secretary of the Royal
Society in 1693, president in 1727.
Sloane’s collections of natural history
objects were donated to the English
nation and were one of cornerstones of
the British Museum (1759). Correspondent
of Linnaeus.
is a miracle. All his senses and memory are intact, his face has no wrinkles, and he is nearly 90 years old.

Georg Dionysius EhretEhret, Georg Dionysius
(1710-1770). German/British. Botanical
illustrator. Correspondent of Linnaeus.
has sent Linnaeus a picture of a plant called Agaricus, a surprising production [see Linnaeus’s reply to that in Linnaeus to Ehret, 23 August 1747Letter L0822].

Collinson had used an opportunity to send Linnaeus a parcel of seeds through MorsachMorsach, German. Merchant,
, a merchant from Danzig, who promised to forward them to Linnaeus. Morsach is acquainted with Dr. Breynius [Johann Philip BreyneBreyne, Johann Philip
(1680-1764). German/Polish. Zoologist
and physician in Danzig. Son of Jacob
Breyne. Correspondent of Linnaeus.
], and Linnaeus could write to Breyne in this matter. However, Collinson hopes Linnaeus will get the parcel without having to contact Breyne.


a. original holograph (LS, XVII, 9-10). [1] [2] [3]


1. A selection (1821), vol. 1, p. 12-13   p.12  p.13.