Fróðskaparrit - 01.01.1992, Qupperneq 97

THE LICHENS OF THE FAROES
101
colous fungus on Physcia tenella, Ak-
rar, VA 85483.
P. gelidarium (Mudd) D. Hawksw.
Lichenicolous fungus on Placopsis geli-
da. (18; 1: Sphaeria gelidaria).
*P. microsticticum (Leighton) Arn.
Lichenicolous fungus. On Amygdalaria
pelobotryon, Middagsfjall, GD (with
Dactylospora purpurascens).
*P. trypethelioides (Th. Fr.) R. Sant.
Lichenicolous fungus. On Stereocaulon
condensatum, N of Leynavatn, VA
85323a. On S. rivulorum, Vestmanna,
VA 858-94.
*Polysporina lapponica (Ach. ex
Schaerer) Degel. On rock, Svínoy, VA
851652.
Porina aenea (Wallr.) Zahlbr. On trees.
Unknown tree, Salix and Acer in
Tórshavn, VA 85644, 85652 and 85732.
Sorbus at Vestmanna, GD. (10).
P. chlorotica (Ach.) Miill. Arg. On stone,
river-bed N of Leynavatn, VA 8516-24.
(1: Segestrella c.; 2: Sagedia c.). A sam-
ple from Toftavatn collected by Degelius
may belong here. The ascospores are
1-septate, 12-16x5 pm, but perhaps not
mature.
P. grandis (Korber) Zahlbr. On tuff at
Leynavatn, VA 851567. (1: Segestrella
g.; 2: Sagediag.).
*P. guentheri (Flotow) Zahlbr. On rock at
stream, Hoyvík, VA 851311.
P. lectissima (Fr.) Zahlbr. On rock in moist
places. Ravine N of Leynavatn, VA
85306; Víkarbyrgi, VA 85488; mountain
slope with seeping water, Leynavatn, VA
851365. (2: Sagedia /.).
*Porpidia cinereoatra (Ach.) Hertel &
Knoph. Very common on rocks, 7 coll.
(2: Lecidea contigua incl. f. crustulata
and f. cyanothalma p.p., Lecidea litho-
phila p.p.).
P. crustulata (Ach.) Hertel & Knoph. Very
common on rocks, 14 coll. (2: Lecidea
contigua var. crustulata and var. cyano-
thalma p.p., Lecidea lithophila p.p.).
P. flavocaerulescens (Homem.) Hertel &
Schwab. Very common on rocks, 18 coll.
(7: Huiliaf; 5: Lecidea f. var. ochracea;
1,2: Lecidea contigua f. flavicunda).
*P. glaucophaea (Korber) Hertel &
Knoph. On wet rocks. Toftavatn, VA
85857; Somfelli, VA 851342; Hoyvík,
VA 851534; Hestur, VA 851685.
P. hydrophila (Fr.) Hertel & Schwab. 1 km
W of Kvívík, SS 6255-3; Slættaratindur,
SW, 400 m, SS 6281 -2. (4: Lecidea h.;l:
L. platycarpa var. cyanothalamia; 2: L.
contigua var. cyanothalama p.p.).
P. macrocarpa (DC.) Hertel & Schwab.
Very common on rocks, 24 coll. (4:
Huilia m.; 4: Lecidea m.; 1: L. platy-
carpa p.p.; 2: L. contigua p.p.).
*P. nigrocruenta (Anzi) Diederich &
Semsiaux. On rock. Leirvík, 450 m, VA
69674. W of Skopun, VA 851363.
*P. pseudomelinodes Schwab. Slættara-
tindur, 700 m, rock, VA 851262.
*P. soredizodes (Lamy ex. Nyl.) Laundon.
E of Leynavatn, VA 85332. Migandsá, N
of Skálavík, VA 851398. Middagsfjall,
GD. (1: Lecidea contigua p.p.).
P. speirea (Ach.) Krempelh. On rock.
Saksun, VA 85577; Hoyvík, VA 85712;
Borðoyarvík, GD.; Toftavatn, GD. (2:
Lecidea s.; 1: L. contigua p.p., Nólsoy).
*P. superba (Korber) Hertel & Knoph.