756 Pyrenoi Sphferiace», Phseodictyse, Pleospora. 



• ~)-45 « 13-18, utrinque pallidioribus. In culmis Eriophori an- 

 g u s t i f o 1 i i, Luxcmburg. 



40. Pleospora lacustris Feltg. Vorstud. Pilz. Luxemb. Nachtr. III. 2625 

 1903, p. 185. — Peritheciis sparsis, immersis, globoso-depressis, 

 nigris, 200-250 ;j.. diam., papilla minutissima erumpentibus; ascis 

 clavatis, breve stipitatis, 80^18-20, paraphysatis, octosporis; spo- 

 ridiis 2-3-stichis, elliptico-fusoideis, obtusis, vulgo curvis, 9-rarius 

 11-septato-muriformibus, constrictis, flavo-brunneis, 33-40 <* 8-10. 



Ilab. in caulibus siceis Typhae angustifolite, Luxemburg. 



41. Pleospora Alismatis Ell. et Ev. in Journ. of Mycol. 1902, vol. 8, 2626 

 p. 1G. — Peritheciis sparsis, erumpentibus, hemisphcerico-prominu- 



lis, paullo convexis 200 ;j.. diam. ; ascis clavato-cylindraceis, breve 

 stipitatis 90-100^12-15, paraphysibus stipatis, filiformibus, ob- 

 vallatis; sporidiis monostichis v. fere distichis, fusoideo-oblongis 

 in.rquilateralibus, 7-9-septatis, muriformibus, 22-27 v 10-12, raro 

 15 [i. diam, 



Hab. in caulibus emortuis Alismatis Plantaginis, South 

 Dakota, Amer. bor. (D. Griffiths). 



42. Pleospora culmigena Feltg. Vorstud. Pilz. Luxemb. 1901, Nachtr. 2627 

 II, p. 145. — Peritheciis gregariis, tectis, globosis, nigris 100-300 



;j.. diam., ostiolo obtuse conico erumpentibus; ascis clavatis breve 

 nodoso-stipitatis 91 « 10,5 (tetrasporis) vel 156 « 10,5 (octosporis), 

 filiformi-paraphysatis; sporidiis 1-2-stichis, ovato-oblongis v. fusoi- 

 deis, rectis 6-9-frequentius 8-septato-muriformibus, constrictis, 

 flavis, 29-32 * 10,5. 



Hab. in caulibus putridis Cerealium, Luxemburg. — Pleo- 

 8porce straminis affinis. 



43. Pleospora gigantasca Bostr. Islands Svampe in Bot. Tidsskrift, ^ 628 

 1903, vol. 25, p. 307. — Peritheciis sparsis, globosis; ascis oblon- 

 go-claviformibus, 240-250 v 60-65; sporidiis luteis, 9-septatis, 55- 



65 23-27 e latere compressis 16-18 ;j.. cr., ad septa constrictis, 

 reticulariter costatis, guttulatis. 



Ilnh. in foliis Elymi arenarii, Islandia. 



44. Pleospora Glyceriae Feltg. Vorstud. Pilz. Luxemb. 1901, Nachtr. -'-"•' 

 II, p. 145. — Peritheciis gregariis vel sparsis vel seriatis, globo- 



sis 300-500 ;j.. diam., immersis, ostiolo acute conico emergente; 

 ascis tereti-clavatis breve stipitatis, 110-115 « 15-18, octosporis: 

 sporidiis elliptico-ol>longis, roctis curvulisve 9-11-septato-murifor- 

 mibus, medio constrictis, 1-2-stichis, 21-26^8, flavo-brunneis. 

 Ha.b. in culmis siccis G-lyceriic fluitantis, Luxemburg. 



