754 



epidermis, at length denuded, scattered, but thickly covering, the 

 stems. Ostiola obtuse, subprouiinent. Perithecia black, obovate, rugose, 

 minute, bare or surrounded at base by the epidermis. When young, 

 brown, subpcllucid, surrounded by a whitish-pulverulent mass which 

 finally disappears. 



On dead stems of Rubvs vUlosits. 



Subtectm. 



1689. Sphceria sphcerocephala, Schw. Syn. Car. 166. — Peri- 

 thecia innate and rising with the yellowish epideimis to which they 

 are closely attached, suberumpent, of medium size, black; when empty, 

 cinereous and obsoletely cellulose. Ostiola formed of many crowded 

 tubercles, one of which exudes pellucid globules as in SphcBronema. 



On branches of Hydrangea, Carolina. 



1700. Sphcuria vacciniicola, Schw. — Scattered, covered. Peri- 

 thecia depressed-globose, subrugose, empty or filled with dark-colored 

 spermatic gelatine, visible through minute cracks in the epidermis, 

 scarcely papillate, black, very minute. 



On small branches of Vaccinium. 



1701. Sphoeria Kalm.iarum, Schw. - Scattered, very black; 

 when immature, swollen and brown, rarely exuding short, simple, 

 white cirrhi. Pej-ithecia hemispherical, innate. 



On fallen leaves of Kalmia and Rhododendron. 



1 703. Sphoeria saniarm, Schw. — Scattered ; at first covered by 

 the epidermis which is soon stellately ruptured. Perithecia obtuse, 

 subastomous, punctate-rugose, dark brown, nucleus white; sometimes 

 extruding a small, straight, dark brown cirrhus. 



On samarae of Fraxinus. Apparently different from Pleospora 

 samaroB, Fckl. 



1704. Sphoeria Jasmini, Schw. — Scattered, minute, brown, 

 white at the apex, covered by the raised epidermis. Perithecia ellip- 

 tical or subrotund, at length collapsing with the epidermis still adherent, 

 the collapsed disk subrugose. 



On shoots of Jasminus (cult.). 



CaulincolcB. 



1731. Sphceria tecta, Schw. — Permanently covered, scattered 

 extensively over the slightly blackened stems. • Perithecia depressed- 

 elliptical, crowned with a globose, deciduous papilla. 



On large, herbaceous stems. 



