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Link: • Clas Alströmer to Carl Linnaeus, 23 July 1761 n.s.
Dated 23 Julii 1761. Sent from Madrid (Spain) to Uppsala (Sweden). Written in Swedish.


Clas AlströmerAlströmer, Clas
(1736-1794). Swedish. Baron,
industrialist. Sent plants and specimens
to Linnaeus from his travels abroad.
Bought Linnaeus’s “little herbarium”,
now in the Natural History Museum in
Stockholm. Son of Jonas Alströmer,
brother of August, Johan and Patrick
Alströmer. Correspondent of
opens the letter by telling Linnaeus about his Father’s [Jonas AlströmerAlströmer, Jonas
(1685-1761). Swedish. Industrialist.
One of the founders of the Royal Swedish
Academy of Sciences in 1739. The same
year Head of the Royal Board of Trade in
Sweden [Kommerskollegium]. Father of
August, Clas, Johan and Patrick
Alströmer. Correspondent of
] death and what this great loss would mean to him, in addition to all the sequel adverse practical effects. He doesnt know if he will continue his journey, maybe he has to return home as soon as possible, but that depends on his brothers [Patrick AlströmerAlströmer, Patrick
(1733-1804). Swedish. Baron and
industrialist, Alingsås. Director
of the Swedish East India Company. Son
of Jonas Alströmer, brother of
August, Clas and Johan Alströmer.
Correspondent of Linnaeus.
and Johan AlströmerAlströmer, Johan
(1742-1786). Swedish. Director. Son of
Jonas Alströmer, brother of August,
Clas and Patrick Alströmer.
], if they will care for him.

Since his last letter [Alströmer to Linnaeus, 6 July 1761Letter L2931] he has described Bufonia tenuifolia, that grows in abundance around Madrid. An extensive descricption of this plant follows.

NB. Stamens should be counted with a good microscope before the flower opens; otherwise the anthers will be missing and can not be counted with accuracy. Alströmer further states that when the blossoms are out, he has not been able to see any filament or anthers, and they have always been of different numbers. In non-opened flowers, however, he emphasizes that he has always found 4 stamens in all the many ones he has opened. Consequently, he does not trust in Pehr Löfling’sLöfling, Pehr (1729-1756).
Swedish. Botanist and explorer. Studied
under Linnaeus. Went to Spain in 1751
and took part in the Spanish expedition
to Venezuela in 1754, where he died.
Correspondent of Linnaeus.
last observation, but opposes it strongly.

Alströmer has noted that the peasants collect Plumbago Europea. The water extract is said to be very effective on fleas, lice and bedbugs. The herb is also used to dye wool violet. Alströmer encloses a raceme handed to him by José Quér Quer y MartinezQuer y Martinez, José
(1695-1764). Spanish. Professor of
Botany, Madrid.
. He does not know what it is but believes together with Juan Minuart Minuart, Juan (1693-1768).
Spanish. Botanist and pharmacist.
that it could possibly be Ochna jabotapitha.

Alströmer has frequently observed a tree — in Seville called Zapote — perhaps as it reminds of the American Achras zapote. He wants Linnaeus’s opinion based on the enclosed — probably rotten — twig. He knows from Antonio Ulloa’sUlloa, Antonio (1716-1795).
Spanish. Naval officer. Traveller and
journey in America that of female Cochenill, egg-laying in August, the eggs are gathered and saved until June next year for new production. He shall write to José Celestino MutisMútis, José Celestino
(1732-1808). Spanish. Botanist.
Went to South America in 1760 and lived
in Bogotá, which due to him
became an important centre of learning.
His comprehensive herbarium, manuscripts
and numerous watercolour botanical
illustrations were sent to Spain after
his death. Correspondent of Linnaeus.
about bringing them to Europe. Alströmer is preparing a new batch of herbs and seeds to be sent to Cadiz and forwarded to Linnaeus. Since José Ortega’sOrtega, José (?-1761).
Spanish. Military pharmacist of the
Spanish army. Secretary of the Academy
of Medicine of Madrid. Correspondent of
death there is not a trace of Löfling. Linnaeus says in his last letter that Daphne maximum is Thymelaea pontica folio Laurocerasi Tournef. cor. & Itin. Alströmer does not understand that, as he has not sent or seen that plant.


a. (LS, I, 82-83). [1] [2] [3]


1. Bref och skrifvelser (1909), vol. I:3, p. 47-49   p.47  p.48  p.49.