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(641
albobrunneus which is a dry and thin species recently described
in Arkiv för Botanik, Band 11: 31).
Polyporus nigrolimitatus.
This species is described (in Arkiv för Botanik, Band 11: 3 pag.
18) as only resupinate. I have to report now, that my friend
Ege-land has found (at Seljord in Norway) a reflex form which appears
to belong here. I have been unable to catch any spores, but the
habit resembles so closely that of Pol. nigrolimitatus that I do not
doubt of the identity. The resupinate part is about 1 Va cm. broad
vertically and 4 Vä cm. horinzontally. The reflex part forms right
angle with the resupinate part and is 1 Va cm. broad. The surface
is uneven, brown, (lateritio-badius), minutely tomentose under the
lens and not distinctly zonate nor concentrically sulcate. By the
last character this species is furthermore separated from Karsten s
Fornes tenuis.
Polyporus pannocinctus.
Since I described this species2) I have found it also at the latitude
of Stockholm, viz. ön the island Vester-Ridö in Mälaren and ön an
island in Östersjön, in both places ön fallen lotten logs of Fraxinus.
Polyporus rufopodex nov. nomen.
Apus, coriaceus, zonatus, scruposo-glaber, albus, basi subtus
ru-fescente. Pileus postice attenuatus et gibbus, usque ad 1 cm.
crassus, ceterum tenuior (ad medium circa 3—4 mm. crassus) non
villosus sed dense et subregulariter scrupulosus (quasi granulato-
1) In a letter my esteemed leader and friend Bresaijola has given me the
sur-prising information that Pol. albobrunneus is to him a resupinate form of Pol.
fragilis, a view which I ean neither accept nor understand and which I mention here
only to show how the opinions can diverge sometimes in spite of the microscope.
I have about a dozen collections of Pol. fragilis, among which occnrs also the
resupinate form, and I am nnable to identify Pol. albobrunneus with any of these
collections either macro- or micro scopically. Among other differences Pol. fragilis
has daedaloid pores and becomes totally sordid when drying, while Pol. albobrunneus
has subregular pores wb ich mostly remain white after drying. At Stockholm I
have found Pol. albobrunneus but once, while I collected it repeatedly and
abund-antly in Lappland, where I did not see Pol. fragilis.
2) In Hym. of Lappland.
Svensk Botanisk Tidskrijt 1912. 42
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