468 POUL LARSEN 
45. E. Cichoracearum De Candolle, Flore francaise II, p. 274. 
S. W. Iceland [H. J.], Hofsfjall, Hestarhaun in Porvaldsdalur [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 (OD — On Draba incana. 
48. S. humuli (De Candolle) Burrill var. fuliginea (Schlechtendal) 
Salmon, A monograph of the Erys., p. 45. 
Hof in Hörgardalur [O.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. 
Bildsfell (Feddersen). — On dead branches of Sorbus Aucuparia. 
Plowrightia Saccardo. 
51. P. ribesia (Persoon) Saccardo, Syll. fung. II, p. 635. 
Sphaeria ribesia Persoon, Usteri, N. Ann. d. Bot. V, p. 24. 
The experimental stations at Akureyri and Reykjavik and in several 
gardens in Reykjavik [P.L.]. — Very common on branches of Ribes 
rubrum. 
The asci measure 90—100X16—17 u (pars sporifera). 
The spores measure 22—37X7—10u (22X9, 26X7, 30X10, 29X9; 
22X10, 30X10, 37X10, 32X9 u). 
Pseudosphaeriaceae. 
Pyrenophora Fries. 
52. P. phaeocomes (Rebentisch) Fries, Summa vegetabilium Scandi- 
naviae, p. 398. 
Sphaeria phaeocomes Rebentisch, Flora neomarchicae, p. 338. 
Fornhagagil [O.D.]. — On leaves of Anthoxanthum odoratum. 
