Editorial introduction

Im März 1825 hielt sich der schottische Botaniker George Arnott Walker-Arnott in Paris auf. Dort fertigte er auf Bitten Humboldts diese Liste zur Geographie der Moose an. Die am oberen Rand der ersten Seite eingetragene Sigle B verweist auf die Nummer 10 der von Karl Sigismund Kunth 1825 angelegten Ideensammlung zur Neuausgabe der Geographie der Pflanzen („Verbreitung der Moose“). Bereits 1822 hatte Walker-Arnott für Humboldt eine Auflistung von Moosen angefertigt, die sowohl in der nördlichen Hemisphäre als auch in den Tropen vorkommen. Sie trägt in der Kunth'schen Materialsammlung die Sigle L. Auf die erste Seite des Dokuments montierte Humboldt ein Blatt mit Exzerpten aus Thomas Edward Bowdichs 1825 „Excursions in Madeira and Porto Santo“ (Bowdich 1825). Die auf diesem Blatt angegebene Sigle C korrespondiert ebenfalls mit Nummer 10 der Kunth'schen Materialsammlung.

Facsimile 2r
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| 2r1

Note Carl Sigismund Kunth (inserted at the top) B.

Andreea [sic] .

Sticked note Carl Sigismund Kunth (inserted at the left margin) Facsimile 1r
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| 1r C.  Vgl. Thomas Edward Bowdichs Bericht über seine Exkursion nach São Vicente während seines Aufenthaltes auf Madeira (Bowdich 1825, 49–50): Here I first saw the beautiful fern asplenium palmatum. The filices form by far the most interesting family in Madeira, verifying Baron de Humboldt’s remark, that their maximum may be found in the mountainous parts of small islands […], yet I was disappointed at not finding the dicksonia mentioned by the above author […].

 [Close]
Filices
abondent dans les
îles. Dicksonia
ou arbor. ferns pas
trouvé à Madère

H Bodwich [sic] Tr.
p 49
[.] Vermilia bicarina
ta
et
Galeoloria elongata

de Nouv Holl
trouvé à
Madère Bodw. [sic]
p 63!
Géographie des
plantes de
Madère Bodw [sic]
p 101, 152[,]
248
Facsimile 1v
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| 1v empty (1 pages)[...]

This genus is, as far as I have been enabled to deter-
mine, confined wholly to Europe: it occurs on the mountains inserted in between the linesin moun-
tainous
 inserted above the linedistricts usually at very considerable elevations. There are
only four species; those which were known to Linné were
confounded by him with Jungermannia.

Sphagnum.

I consider that there are only four species of this genus
two of which at least are very widely distributed: Sph.
latifolium
occurs in all the marshes of inserted above the linethroughout all Europe. I possess
it also from North america, where I believe it is very wide-
ly dist
 inserted in between the linesas abundant as in Europe: Michaux has called it
S.
vulgare
. It is described by Bridel from the straits of
Magellan
under the name of S. magellanicum . In the
Isles of Bourbon, France, and New Holland, (and I believe
also in East India) it has also been found. Sphagnum
acutifolium
seems nearly as widely distributed, but I
do not recollect of having observed S. squarrosum , or S. cus-
pidatium
as occuring out of Europe. Some botanists,
and I think with justice, consider that there is only one
species of this genus.

Phascum.

This genus may be considered as nearly European, & the
species are nearly confinded, as far as has been hitherto observed
to the middle districts of Europe. To the north the species become
few, and finally disappear in the Arctic circle: About the  inserted above the linemiddle & South
of England, Germany, & France, they are found in considerable
numbers, but, whether through the negligence of botanists I
know not, but they are scarcely at all found farther south.
A few of the European species have been found in North a-
merica
in Pensylvania [sic] , among these are Ph. subulatum, rectum
[Phascum] crispum, [Phascum] patens, [Phascum] cuspidatum, inserted above the line [Phascum] crassinervium, and perhaps a few others: I consider
Ph. stenophyllum of Voit to be only a variety of;
of these Ph. subu-
latum
has I believe also been found in New Holland. Ph. co-
herens
and Ph. flexuosum are perhaps the only two confined exclu-
sively to N. America (Pensylvania [sic] ). Ph. alternifolium occurs
in Great Britain, in Germany, and, if I mistake not at the
Cape of Good Hope and (if Bridel’s Pleuridium be, as I suppose, the

The creation of the edition humboldt digital datasets is an ongoing process. The scope and accuracy of the data grows as the project progresses. We are always grateful for any additions, corrections and error reports. Please write to edition-humboldt@bbaw.de.

Suggested citation

Walker-Arnott, George Arnott; Humboldt, Alexander von: B / C – Geographie der Moose, ed. by Ulrich Päßler in collaboration with Ingo Schwarz. In: edition humboldt digital, ed. by Ottmar Ette. Berlin-Brandenburgische Akademie der Wissenschaften, Berlin. Version 9 of 04.07.2023. URL: https://edition-humboldt.de/v9/H0000007. Folio: https://edition-humboldt.de/v9/H0000007/2r


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