Carl Linnaeus to Paul Dietrich Giseke,
8 March 1772 n.s.
L4640. Carl LinnaeusCarl Linnaeus (1707-1778). Swedish.
to Paul Dietrich GisekePaul Dietrich Giseke (1745-1796).
Linnaeus has received a letter by Paul Dietrich GisekeGiseke, Paul Dietrich
The Danes [Martin Hendriksen VahlVahl, Martin Hendriksen
Giseke had asked Linnaeus about the arbitrarily breathing of the amphibia. Linnaeus answers that the amphibia inhale the air but they do not seem to exhale it; it sort of disappears in the body.
Giseke had written to Linnaeus about Charles AlstonísAlston, Charles (1683-1760).
The same can be said about Mercurialis. However, he should not let himself be fooled by Mercurialis ambigena.
Linnaeus, if he is not mistaken, saw one or another male flower around the female Spinacia. He therefore asks Giseke to make an experiment in a pot, where there is no male flower around.
Every Bignonia is androgynous or monoecious in Sweden.
The cones of Lupulus are not fruits but calyces. The calyces can become mature and ripe without fertilization but they cannot yield fertile seeds.
Linnaeus does not want to discuss Phoenix; the matter is known to Giseke.
Linnaeus would like to receive a floret of Aloë uvaria.
Linnaeus asks Giseke to be careful with his eyes.
Linnaeus has received Laplysia, fish and amphibia from America. Mrs. Blackstone [presumably a relative of John BlackstoneBlackstone, John (1713-1753).
1. Collectio epistolarum (1792), p. 110-111 .