285 

 S. Stellarinearun, (Rab.) 



Sphceria Stellarinearum, Rab. Herb. Mycol. 975? 

 Sphcerella Stellarinearum, Karst. Fungi Spets. No. 48. 



Perithecia somewhat scattered, amphige'nous, covered, punctiform, 

 perforated above. Asci sessile, ovoid, 60 x 20 //, 8-spored. Sporidia 

 collected in a mass, ovoid-oblong, straight or slightly carved, unisep- 

 tate, hyaline, not constricted, 20-24 x 6 p.. 



On leaves of Stellaria longipes, S. humifusa, Cerastium arvense, 

 Alsine verna and Alsine biflora and Groenlandica, in Greenland. 



S. Cruciferarum, (Fr.) 



Sphceria Cruciferarum, Fr. S. M. II, p. 525. 

 Sphcerella Cruciferarum, Sacc. Mich. II, p. 315. 

 Kxsicc. Rab. F. F)ur. 1853? 



Perithecia scattered, innate, hemispherical, pierced at the apex, 

 black, shining, smooth, 70-80 ju diam. Asci clavate, 40x12 //, with 

 a short, thick stipe, 8-spored. Sporidia biseriate, oblong-fusoid, rather 

 obtuse at the ends, uniseptate and slightly constricted, curved, 15 x 

 3 J jut, with 2-4 nuclei. 



On Vesicaria, Draba, Eutrema, Cardamine and Sisymbrium, 

 in Greenland, on pods of Cheira?ithus, Bethlehem, Pa. (Schweinitz). 



S. microspila. (B. & Br.) 



Sphceria microspila, B. & Br. Ann. Nat. Hist. No. 984, tab. 17, fig. 36. 



Perithecia scattered, globose, one or more innate on a small, 

 brown spot, surrounded by a thin mycelium. Asci cylindrical. Spo- 

 ridia oblong-ellipsoid, uniseptate, hyaline, 8-11 f long. 



On leaves of Chammnerium angustifolium, Sukkertoppen, Green- 

 land. 



S. Sibirica, Thiira. JBeitr. Pilz. Sibir. No. 766. 



Perithecia hypophyllous, sometimes extending through to the 

 other side of the leaf, densely gregarious, subglobose, semiimmersed, 

 free, shining-black. Asci broad-clavulate, narrowed at each end, with 

 a thin membrane, 8-spored, subsessile. Sporidia long-elliptical, acutely 

 rounded at the ends, septate in the middle, but not constricted, homo- 

 geneous, enucleate, hyaline, 20-22 x 5-6 ju. 



On Silene acaulis, Viscaria alpina, Melandrium apetalum and 

 M. triflorum, Greenland. 



S. innumerella, Karst. Mycol. Fen. II, p. 182. 



Sphcerella maculif or mis, forma Comari, Rab. F. E. 1042. 

 Fxsicc. Rab. F. E). 1042. Karst Fungi Fenn. 965. 



