345 

 PI. papaveraeea. (De Xot.) 



Cucurbilaria papaveraeea, De Not. Sfer. Ital. p. 62. 

 Pleospora papaveraeea, Sacc. S} T 11. 3JiS. 

 Exsicc. Rehm Asc. 736. 



Perithecia scattered or two or three together, superficial, with a 

 Hat. sessile base, globose, somewhat collapsed at the apex, coriaceous, 

 black, obtusely papillate. Asci cylindric-clavate, attenuated below. 

 8-spored, about lOOx 10 //. paraphysate. Sporidia uniseriate or partly 

 biseriate, elliptical or oblong-fusoid, straight, 3-septate and constricted 

 ;it the septa, the second and generally the third cell divided by a longi- 

 tudinal septum, yellow, becoming brownish, 18-25x7-8 p.. 



On dead stems of Papaver nudicaulis, Tasiusak, Greenland. 



PI. macro spora. Schrot. Xord. Pilze, p. 15. 



Perithecia erumpent, seriately-gregarious, globose-depressed, 250- 

 300 it diam., collapsing, black, smooth and globose, with minute, papil- 

 liform ostiola. Asci cylindric-clavate, attenuated below, short-stipitate, 

 150-170x24-26 t u, 4-8-spored. Sporidia uniseriate, ellipsoid: in the 

 4-spnred ;isri :>")-4.) x 13-17 /JL, in the 8-spored, 30-33x9-10 a, 3-sep- 

 1 tate. one or two of the inner cells longitudinally divided, yellow-brown. 



On Hierovhloa alpina, Christianshab, <tc.. Greenland. 



PL heterospora, De Xot. Sfer. Ital. p. 76, tab. 81. 



Perithecia scattered, small, punctiform, splia?roid, black, with a 

 round opening above, projecting through the fissured epidermis, papil- 

 lose under the lens, texture of dark, round, turgid cells, soft when 

 moistened. A-ci thick-walled, 8-spored, attenuated upwards, mostly 

 curved, oblong, variable in size. Sporidia oblong or fiddle-shaped, 

 dark brown, hardly translucent, 9-11-septate, densely tessellate-muri- 

 1mm 25^30 x 10-12 /JL. 



On Carex supina, Sarkak, Greenland. 



PL Elynae, (Rab.) 



Clathrospora Elyntz, Rab. in Hedw. I, tab. XV. fig. 3. 

 Pleospora Elyncs, Ces. & De Not. Schema, p. 44. 

 Exsicc. Rabh-Winter F. Eur. 2861. 



Perithecia gregarious, covered by the epidermis, depressed-spher- 

 ical, the distinct papilliform ostiolum piercing the epidermis, black, 

 smooth and glabrous, about 250 <JL diam. Asci oblong, short-stipitate. 

 8-spored, thickened at the apex and broadly rounded, 140-165 x 35- 

 40 ;/.. paraphysate. Sporidia 2-3-seriate, oblong, rounded at the end-. 

 44 



