— 305 — 



252. Leptosphaeria Silènes (de Not.). 



Silène acaulis: Reykjavik (Gr.), Eskifjöröur (Strømfelt). — Silène 

 maritima: Mööruvellir (G. Guömimdsson). 



253. Leptosphaeria microscopica Karst. 



Paa Air a alpina: Hofsös, Agrostis canina: Fnjöskadalsskögur (Strøm- 

 felt), Poa alpina: Nyjahraun (St.), Hestahraun (D.), Glyceria maritima: 

 Sandanesmål (St.). 



254. Leptosphaeria ariiiidinacea (Sow.) Sacc. 

 Paa Calamagrostis stricta: Brattifjallgaröur (St.). 



255. Leptosphaeria juiiciiia (Awd.) Sacc. 

 Paa Juncus higlumis: Eskifjöröur (Strømfelt). 



256. Leptosphaeria oreophila Sacc. 



. Paa Tofjeldia borealis: Asbirgi (St.). 



257. Leptosphaeria nigraiis (Desm.) Ges. 



Paa Bladskeder af Agropyrum caninum: Vaglaskögur (D.). 



, 258. Leptosphaeria culinicola (Fr.) Karst. 

 Poa alpina: Hofsfjall, Anthoxanthum odoratum: Hof (D.). 



259. Leptosphaeria Fuckelii Niessl. 

 Calamagrostis stricta : Hof (D.). 



260. Leptosphaeria culmifraga (Fr.) Ges. 



Poa nemoralis: M^vatn (Fr.), Karlskâli (Strømfelt), Poa caesia og 

 Kobresia scirpina: Fnjöskadalsskögur (Strømfelt), Luzula spicata: Hrauns- 

 vatn (D.). 



261. Leptosphaeria Mareyensis (Peck). 

 Lycopodium Selago: Almannagjå (D.). 



262. Leptosphaeria Dryadis n. sp. 



Peritheciis sparsis v. subgregariis, conoideis, ostiolo crasso par um 

 prominulo, circiter 0,5 mm. latis ; ascis cylindraceis, 100 — 120 fi [., 12 

 — 14 fjt er. ; sporidiis oblique monostichis, cylindraceo-oblongis,- rectis v. 

 leviter curvulis, 3 — 5-septatis, guttulatis, ad septa leniter constrictis, loculo 

 secundo crassiore, primitus hyalinis, dein fuscidulis, 24 — 28 p. 1., 7 — 8 /j. cr. ; 

 paraphysibus filiformibus, numerosis. In caulibus lignosis, decorticatis et 

 fructibus Dryadis octopeialae: Spönsgeröi (D.), Sandafjall, Dyrafjöröur (Ost.). 



263. Leptosphaeria Papaveris n. sp. 



Peritheciis minutissimis, 0,2 mm. diam., subgregariis; ascis oblöngis, 

 55 — 70 jul 1., 11 — 13 p. cr. ; sporidiis distichis, oblongis, utrinque obtu- 



