The Botany of Iceland - 01.12.1932, Blaðsíða 45

FUNGI OF ICELAND
493
centrally. — Asci cjMindrical, short-stalked, 80—100 X 6—7 /x, 8-spored.
Spores parallel, needle-shaped, 50X1—2,«, provided — sometimes at both
ends, but more often only at one end — with a 20—30 fx long, straight
or curved appendage, 0.5—1 fi broad, in some few spores 2 or 3 such
appendages at the same end.
Distinguished by the appendages of tlie spores.
Valsaceae.
Valsa (Scopoli) Fries.
238. V. betulina Nitschke, Pyrenomycetes germanici, p. 219.
Fornhagagil [O. D.], Holm in Selsundslækur (Feddersen). — On dead
branches of Betula pubescens.
239. V. polyspora Nitschke, Pyrenom. germ.,
p. 238.
Vífilsstaðahlíd [P. L.]. — On dead branches
of Betula pubescens.
Diaporthe Nitschke.
240. D. salicella(Fries)Saccardo, Syll.fung. I,
p. 622.
Sphaeria salicella Fries, Syst. Myc., vol. II,
l>. 377.
Sluttnes in Mvvatn [P. L.]. — On dead
branches of Salix phylicifolia.
241. D. aristata (Fries) Karsten, Mycologia
Fennica II, p. 112.
Sphaeria aristata Fries, Syst. Myc. II, p. 363. “■
Hálsskógur and Hof [O. D.], Hallormstaðir,
Norðtúnga and Þingvellir [P. L.]. — On living and dead branches of Be-
tula nana and Betula pubescens — a facultative parasite.
Fig. 3.
Linospora caudala n. sp.
500.
spores X 500.
242. D. muralis Spegazzini, Michelia I, p. 458. Saccardo, Syll. fung. I,
p. 655.
Asarnir in Galmarströnd [O. DJ. — On dead steins of Sedum
v i 11 osum.
Fenestella Tulasne.
243. F. princeps Tulasne, Selecta fungorutn carpologia II, p. 207.
Fornhagagil [O. D.]. — On dead branches of Salix lanata.
244. F. tumida (Pcrsoon) Saccardo, Syll. fung. II, p. 329.
Sphaeria tumida Persoon, Synopsis metliodica fungorum, p. 41.
Hálsskógur [O. D.]. — On dead branches of Betula pubescens.