The Botany of Iceland - 01.12.1932, Page 6

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POUL LARSEN
nus and B. luteus (see note on this subject in the succeeding main
list of Icelandic fungi).
In 1876 the Danish botanist Chr. Gronlund made a journey
in Iceland and collected, in addition to other plants, 24 species of
fungi. A list of these is given in his paper (14).
In 1885 E. Rostrup published in Botanisk Tidsskrift (15) the
results of a critical comparison of all the lists of Icelandic fungi
hitherto issued, together with a number of Micromycetes which he
liad found on flowering plants in Icelandic herbaria. The number of
known species of Icelandic fungi was thus brouglit up to 89.
In the period 1889—1908 our knowledge of Icelandic fungi
was considerably extended. Simultaneously with E. Rostrup’s »Is-
lands Svampe« 1885, appeared C. J. Johanson’s »Svampar frán
Island« (16), containing 57 species, 31 of which were new for
Iceland. — In addition a large material was sent to the Botanical
Museum at Copenhagen and to E. Rostrup personally, consisting
partly of herbaria of Phanerogams, from which Rostrup gathered
a rich harvest of Micromycetes, and partly of collections of fungi.
The Icelanders, Dr. phil. Helgi Jónsson, Dr. phil. Th. Thorodd-
sen, Stefán Stefánsson, and cand. Olafur Daviðsson sent con-
siderable collections of fungi to Rostrup during this period. This
applies especially to Ólafur Daviðsson, who sent in about 400
species during the period 1885—1903. — Also Danish botanists,
e. g. Dr. C. H. Ostenfeld and Artliur Feddersen, brought home
collections of fungi from journeys to Iceland.
From these collections in conjunction with the results of con-
tinued investigations of herbaria of fiowering plants from Iceland,
E. Rostrup worked up a new list of the fungi of Iceland in 1903 (17),
which comprised 543 species, including all species from previously
published lists of fungi from Iceland.
From the period after 1903 we have still another list — though
not a very comprehensive one — in a manuscript from the hand
of E. Rostrup in the Botanical Museum of Copenhagen (18). It con-
tains some species of fungi, not previously recorded from Iceland,
collected and sent in by Helgi Jónsson, Ó. Daviðsson, and Pro-
fessor C. V. Prytz. This brings to an end the considerable work
done by E. Rostrup on the fungi of Iceland (1905).
The material since then sent in to the Botanical Museum of
Copenhagen by Helgi Jónsson has been determined by the myco-
logists J. Lind and Professor C. Ferdinandsen. Of Danish bota-