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Link: • Carl Linnaeus to Domenico Vandelli, 19 November 1765 n.s.
Dated 1765. d. 19 Novemb.. Sent from Uppsala (Sweden) to (). Written in Latin.


Linnaeus has received the boxes from Domenico VandelliVandelli, Domenico (1735-1816).
Italian. Physician and botanist. Left
for Portugal in 1764, where he was a
professor at the university of Coimbra.
He was the founder of Ajuda botanical
garden in Lisboa and of the Coimbra
botanical garden, where he was also the
first director (1773-1791).
Correspondent of Linnaeus.
one containing the Erythrina, the second a root that could be from the Draco. He understands that he owes it to Vandelli, and he expresses his thanks.

Linnaeus has reported the findings of Vandelli to the Royal Society of Sciences in Uppsala [Kungliga Vetenskaps-Societeten i UppsalaKungliga Vetenskaps-Societeten i
Swedish. The Royal
Society of Sciences at Uppsala was
founded in 1728.
], and the society has received it with great pleasure. Linnaeus has been ordered to forward to Vandelli the society’s thanks and greetings from all its members. The material will soon be published in the Acta societatis regiae scientiarum Upsaliensis Acta societatis regiae
scientiarum Upsaliensis
and for that purpose, Linnaeus needs to know from where the Erythrina has come [nothing by Vandelli was published there, where there was also an intermission in the publishing from 1751 to 1772; the findings of Vandelli referred to in this letter about the Draco tree was later published in the Dissertatio de arbore draconis, seu dracaenaVandelli, Domenico
Dissertatio de arbore draconis, seu
dracaena. Accessit dissertatio de studio
historiae naturalis necessario in
medicina, oeconomia, agricultura,
artibus, & comercio

Linnaeus asks Vandelli to try to obtain from his friends in Portugal dried specimens of Jalapa, Ipecacuanha and Balsamus Peruvianus, which should be more available in Portugal than elsewhere. Linnaeus specifies the difficulties he has with these species. There are two species of Jalapa, and it is uncertain which of them is Jalapa officinarum.

The Ipecacuanha is botanically undetermined, although it is very often used in medicine. The same is the case with Balsamus Peruvianus.

The doctors in St. Petersburg use Spigelia to cure intestine worms, and a dose costs two ducats. This plant is common in Brazil, so Vandelli should acquire a large stock of it for sale throughout Europe, at considerable gain to himself. It can not be cultivated in European gardens, as it needs very warm soil.

Vandelli could make a fortune from that alone.

Linnaeus has recently got proof that the bite of a Gordius will cause ingrowing nails.


1. Florae lusitanicae et brasiliensis specimen (1788), p. 83-84 .