474 POUL LARSEN 
cluded the two forms under the same species. This, however, is hardly 
correct. It is true that the two forms of Leptosphaeria must probably 
be placed in the same line of development, but at a greater distance 
from one another than is usually allowed in systematic mycology for 
fungi that must be included under the same species. 
82. L. Marcyensis (Peck) Saccardo, Syll. fung. II, p. 80. 
Almannagja [O.D.]. — On stems of Lycopodium selago. 
83. L. arundinacea (Sowerby) Saccardo, Syll. fung. II, p. 62. 
Brattifjallgaröur (St. St.. — On dead stems and leaves of Calama- 
Svastis sire ta, 
84. L. culmifraga (Fries) Cesati et De Notaris, Syll. fung. II, pp. 75 
and 77. 
Myvatn (Grønlund); Karlskäli (Strömfelt); Hraunsvatn [O.D.]; Grim- 
stadir near Jökulsä ä Fjöllum, Sluttnes in Myvatn, Hälsskögur and Rauda- 
vatn near Reykjavik [P.L.]. — On dead stems and leaves of Poa nemo- 
ralis, Poa caesia, Poa alpina, Milium effusum, Deschampsia 
caespitosa, Elymus arenarius, Luzula spicata, Kobresia 
scirpina. 
85. L. microscopica Karsten, Fungi in insulis Spetsbergen, p. 102. 
L. culmorum Auerswald and L. typharum (Desmazieres) Karsten. 
Hofsös and Hälsskögur (Strömfelt); Nyjahraun and Sandanesmäl 
(St. St.]; Hestahraun [O.D.]; Pingvellir [P. L.] — On Poa alpina, Agro- 
stis canina, Puccinellia maritima and Armeria vulgaris £ 
elongata. 
86. L. Fuckelii Niessl, Oesterr. botan. Zeitschr. 1882, No. 11. 
Hof [O. D.]; the plantation at Grund south of Akureyri [P. L.]. — On 
Calamagrostis stricta and Deschampsia caespitosa. 
87. L. culmicola (Fries) Auerswald, Leipziger Bot. Tausch- Verein 
1866, p. 4. 
Sphaeria culmicola Fries, Syst. Myc. II, p. 430. 
Hofsfjall and Hof [O.D.]; on the island of Slutnes in Myvatn and 
Grund plantation near Akureyri [P. L.]. — On Poa alpina, Anthoxan- 
thum odoratum, Deschampsia caespitosa and Milium effusum. 
88. L. nigrans (Desmazieres) Cesati et De Notaris, Schema, p. 61. 
Vaglaskögur (O. D.]. — On leaf-sheaths of Agropyrum caninum. 
89. L. Elymi n. sp. 
The blown sand areas along Jökulsä 4 Fjöllum between Grimstadir 
and Vididalur [P.L.). — On dead Elymus arenarius, springing from 
the axis of the inflorescence. 
The gregarious perithecia seated beneath the periderm are globose 
with a short verruciform orifice the diameter of which is 180—270 u. 
