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1(54
sven o. björkman
(Hummelfjärden at Öregrund) is menlioned in the preceding.
The fact is easilv accounted for that wilhoiü the knovvledge of
these circumstances Linnaeus" slatement: »Habitat in inaritimis
Boslagiae» (Flora Suecica), has led to misunderstanding because the
species is usually mel with as »f. marina isive mun da)» along the Baltic
coast. When Linnaeus wrote Flora Suecica he ought to have heen
familiar only with tliis »f. incrustata*, which is seen from the
obser-vandum that follows ön his description in Flora Suecica: »Viva planta
semper incarnata est . . sicca autem cinerea evadit». lf he had
met the puré f. marina», v i r i d i s would have heen substituted for
cinerea. — Linnaeus was låter confronted with »f. nuinda», as appears
from the collection of the species in Ihe Linnean Herbarium (nr 1088: 1;
see Pl. 2.). With his own hand (verified by Dr A. Uggla, Uppsala, and
Dr S. Savage, Ihe Linnean Society, London) Linnaeus has written
»Hartman», and from that we can presume Linnaeus’ pupil, J. J.
Haartman (låter ennobled von Haartman and professor of medicine
in Åbo, Finland; see Krok 1925. p. 252) being the collector. Haartman
is not mentioned among the contributors lo the Linnean Herbarium in
Jackson (1912, p. 9; 1922, p. 11). Goncerning the o|ber annotations
at the Linnean specimen see Savage (1945, p. 167). — The epithet
of tomentosa was given to the species bv Linnaeus ön the basis of
the specimens collected by himself in Roslagen 1729 and refers to
the felty crust of linie, diatoms and small green-algae (see also Hasslow
1931, p. 115). Bruzelius & Liljevalch (1824, pp. 12—13) have
Ihoroughly investigated the species and witliout knowledge of Celsius’
specimen they presume that tomentosa might be due to a pulverous
covering of the species, but they deny the possibililv of such a specimen
growing in the sea. Bruzelius & Liljevalch have identified collections
from Denmark as Ch. tomentosa, but they maintain the name of Ch.
ceratophylla Wallr. for the species in Germany, though Hartman
(1820) had referred the two names lo the same species and his work
is cited in Bruzelius & Liljevalch. Goncerning Ihe further synonymy
of Ch. tomentosa and Ch. cendophijlla conipare Hasslow (1931, p. 1 15)
and Olsen (p. 93). — The name of Ch. tomentosa is met with for the
first lime 1753, and from that we may infer that Linnaeus was
confronted with puré »f. marina» at one time or other after this year thanks
to Haartman’s collection,1 but when he saw it be had no difficulty to
1 Haartman", arrived at Uppsala 1748. Before this year no communication
seems to have been established between Linnaeus and Haartman.
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