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Link: • David de Gorter to Carl Linnaeus, 27 June 1759 n.s.
Dated 1759 d. 16 Junii S.V.. Sent from St Petersburg (Russia) to Uppsala (Sweden). Written in Latin.


With the help of Joseph Gottlieb KölreuterKolreuter, Joseph Gottlieb
(1733-1806). German. Botanist,
published a pioneering work on plant
, David de GorterGorter, David de (1707 or
1717-1783). Dutch. Botanist and
physician. Succeeded his father Johannes
de Gorter as physician-in-ordinary to
the Empress Elizabeth of Russia. Son of
Susanna de Gorter, brother of Herman
Boerhaave de Gorter. Correspondent of
has now sent Linnaeus the plants that he desired from the garden of the Imperial Academy of Sciences of St Petersburg [Imperatorskaja akademija naukImperatorskaja akademija nauk,
Imperial Academy of Sciences

Russian. Imperial Academy of Sciences of
St Petersburg, founded in 1725. Its
publications are Commentarii
Academiae Scientiarum Imperialis
, 1-14 (1726 -
1744/1746 [i.e. pub. 1728 - 1751]) and
Novi Commentarii Academiae
Scientiarum Imperialis
, 1-20 (1747/1748 -
1775 [i.e. pub. 1750 - 1776]).

Gorter has not yet received the two copies of Linnaeusís Systema naturae [Gorter refers to the tenth edition, Systema naturae, 10th editionLinnaeus, Carl Systema
, 10th edition (Stockholm
1758-1759). Soulsby no. 58.
] and the other works by Linnaeus that he requested. He entreats Linnaeus to see to it that he has them this summer and that he does not forget to send a live Peloria or at least a dried specimen.

The Imperial Academy of Sciences has only received two contributions on the sexuality of plants; one is against, the other is for. The one whose conclusion is that there is no sexuality of plants does not please the judges according to what Gorter has heard. However, whether the other is good enough for a prize Gorter cannot say. Gorter will soon receive the two contributions to read. [Gorter refers refers to Linnaeusís contribution to a competition regarding the sexuality of plants].

In 1743 Gorter acquired two bushes of Clutia; one was male, the other female. That very year these two bushes flowered in the Harderwijk University Botanic Garden. The female bush gave mature fruits. The following year Gorter separated the bushes by a distance of about 20 feet. The two bushes flowered again, but the female one gave no fruits. This experiment corroborated Linnaeusís theory on the sexuality of plants.

Johann Christian HebenstreitHebenstreit, Johann Christian
(1720-1795). German. Botanist, son of
Johann Ernst Hebenstreit, educated at
Leipzig. At St Petersburg from 1749-1751
and 1755-1761. Correspondent of
has gone back to Germany to recover his health. There are doubts whether he will return. Kölreuter is now the curator of the Imperial Academy Garden.


a. original holograph (LS, V, 108-109). [1] [2] [3]