The Botany of Iceland - 01.12.1932, Qupperneq 17

FUNGI OF ICELAND
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Peronosporaceae.
Phytophthora De Bary.
18. P. infestans (Montagne) De Bary, Saccardo, Syll. VII, p. 237.
Experimental station at Eiðar [P. L.]; experimental station at Reykja-
vík [Buchwald]; garden at Reykjavík [Sæmundsson]. — On leaves of
Solanum tuberosum.
Cystopas Léveillé.
19. C. candidus (Persoon) Léveillé, Sacc., Syll. fung. VII, p. 334.
Grafarbakki [O. D.]; Vík [H. J.], Muli near Geysir [Feddersen]; Rey-
kjavík [Svend Andersen]. — On leaves and stems of Draba incana,
Cardamine hirsuta, Capsella bursa pastoris.
Plasmopara Schroeter.
20. P. densa (Rabenhorst) Schroeter.
Peronospora densa Rabenhorst, Herbar. mycol. edit. 1. No. 1572.
Viðey [C. H. 0.]. — On leaves of Rhinanthus minor.
Peronospora Corda.
21. P. Alsinearum Caspary, Saccardo, Syll. fung. VII, p. 246.
Hof [O. D.]; Eskifjörður and Dýrafjörður [C. H. O.], Víghólsstaðir [H.J.].
— On Cerastium alpinum and C. trigynum.
22. P. Ficariae Tulasne, Sacc., Syll. fung. VII, p. 251.
Hofsfjall [O. 1).]; Reykjavík [C. H. O.]. — On Ranunculus acer.
23. P. parasitica (Persoon) Tulasne.
Botrytis parasitica Fries, Syst. Myc. III, p. 403.
Hof, Torfastaðir [O. D.]. — On Capsella bursa pastoris and
Cardamine pratensis.
24. P. Trifoliorum De Bary, Sacc., Syll. fung. VII, p. 252.
Hof [0. D.]. — On Trifolium repens.
25. P. Viciae (Berkeley) De Bary, Sacc., Syll. fung. VII, p. 245.
Grafabakki [0. D.]. — On Vicia cracca.
26. P. grisea (Unger) De Bary, Sacc., Syll. fung. VII, p. 255.
Reykjavík [C. H. O.]. — On Veronica serpyllifolia.
27. P. alta Fuckel, Sacc., Syll. fung. VII, p. 262.
Vogar near Mývatn [St. St.]. — On Plantago major.
The Botany of Iceland. Vol. II. part III.
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