FUNGI OF ICELAND 487 
187. M. sibirica (Thümen). 
Sphaerella sibirica Thümen, Beiträge zur Pilz-Flora Sibir. No. 766. 
Of common occurrence on Silene acaulis, Silene maritima 
and Viscaria alpina. 
188. M. fusispora (Fuckel), in Oudemans: »Contributions å la flore 
mycologique de Nowaja Semlja«, Medd. der Konink. Ak. van Wet. 3. Reeks. 
Deel IL, p. 146—161. Amsterdam 1885, p.151, tab. II, fig. 4. 
Hofsfjall [O.D.), Heljardalsheidi (Strömfelt). — On stems of Ranun- 
culus pygmaeus. 
189. M. vulgaris (Karsten) Schroeter, Die Pilze Schlesiens, 2, p. 337. 
Sphaerella vulgaris Karst., Mycologia Fennica II, p. 168. 
Sluttnes in Myvatn [P.L.). — On withered stems of Ranunculus 
acer. 
190. M. arthopyrenoides (Auerswald). 
Sphaerella arth. Auerswald, Mycol. europ., Heft V and IV, p.15, fig. 55. 
Bildudalur, Heydalså (St. St... — On Papaver radicatum. 
191. M. Cruciferarum (Fries). 
Sphaeria Cruc. Fries, Syst. Myc. II, p. 525. 
Os in Mööruvallasökn, Hörgärdalur [O.D.. — On Cardamine 
pratensis. 
192. M. Parnassiae (Rostrup). 
Sphaerella Parn. Rostrup, Isl. Svampe 1903, p. 302. 
Hof in Hörgärdalur [O.D.]. — On stems and sepals of Parnassia 
palustris. 
193. M. melanoplaca (Desmaziéres) Lindau. 
This species is described at length by F. Petrak in Hedwigia, Band 
LXV, p. 231. 
- Hof in Hörgärdalur [O.D.]. — On withered leaves of Potentilla 
verna. 
194. M. ootheca (Saccardo). 
Sphaerella ootheca Saccardo, Michelia II, p. 160. 
Mööruvellir (St. St.) and Hallgilsstadafjall [O. D.). — On Dryas octo- 
petala. 
195. M. Dryadis (Auerswald). 
Sphaerella Dryadis Auerswald, Mycologia europ., Heft V and VI, p. 8. 
Berufjördur (Grønlund). — On Dryas octopetala. 
