The Botany of Iceland - 01.12.1932, Qupperneq 20

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POUL LARSEN
45. E. Cichoracearum De Candolle, Flore fran^aise II, p. 274.
S. W. Iceland [H. J.], Hofsfjall, Hestarhaun in Þorvaldsdalur [O. D.].
— On Myosotis arvensis and on Hieracium species.
46. E. Graminis De Candolle, Flor. fr. VI, p. 106.
Hof in Hörgardalur [O. D.]. — On several species of grasses.
Sphaerotheca Léveillé.
47. S. humuli (De Candolle) Burrill, Salmon, A monograph of the
Erysiphaceae, New York 1900, p. 45.
Hof in Hörgardalur [O. D.]. — On Draba incana.
48. S. humuli (De Candolle) Burrill var. fuliginea (Schlechtendal)
Salmon, A monograph of tlie Ervs., p. 45.
Hof in Hörgardalur [0. D.]. — On Taraxacum vulgare.
Podosphaera Kunze.
49. P. myrtillina Kunze, Mycologische Hefte II, p. 111.
Hofsfjall [O. D.]. — On Vaccinium uliginosum.
Dothioraceae.
Dothiora Fries.
50. D. Sorbi (Wahlenberg) Fuckel.
Hysterium Sorbi Wahlenberg, Flora lapponica, p. 523.
Bíldsfell (Feddersen). — On dead branches of Sorbus Aucuparia.
Plowrightia Saccardo.
51. P. ribesia (Persoon) Saccardo, Syll.fung.il, p. 635.
Sphaeria ribesia Persoon, Usteri, N. Ann. d. Bot. V, p. 24.
The experimental stations at Akureyri and Beykjavík and in several
gardens in Reykjavík [P. L.]. — Very common on branches of Ribes
rubrum.
The asci measure 90—100X16—17/z (pars sporifera).
The spores mcasure 22—37X7—10/í (22X9, 26X7,30X10,29X9,
22X10, 30X10, 37X10, 32X9/t).
Pseudosphaeriaceae.
Pgrenophora Fries.
52. P. phaeocomes (Rebentisch) Fries, Summa vegetabilium Scandi-
naviae, p. 398.
Sphaeria phaeocomes Rebentisch, Flora neomarchicae, p. 338.
Fornhagagil [O. DJ. — On leaves of Anthoxanthum odoratum.