86 Twenty-fourth Report on the State Museum. 



Sph^ronema acerinum n. sp. 



Perithecia innate in the bark, bursting through the epidermis, 

 conico-hemispherical below, with a long, slender, more or less 

 flexnous or curved point above, black or brow^nish black ; spores 

 elliptical, generally with one or two pellucid nuclei. 



Dead trunks and branches of the red maple, Acer ruhricm. 

 Greenbush, Sandlake and Indian Lake. April, October. 



The perithecia are numerous and somewhat seriately placed. 

 Their bristle-like points give to the branch a hispid or strigose 

 appearance. 



SPHiEROPSIS PULCHELLA B. <& C. 



Dead branches of sumach, especially of Rhus glabra. 



Sph^ropsis anomala n. sp. 



Perithecia csespitose, black, seated on the inner bark and burst- , 

 ing through transverse chinks, ostiole papillate ; spores oblong. 



Bark of dead cherry trees. Albany. R. PrescoU. 

 The aspect of this species is that of Tympanis consjpersa Fr.^ 

 but the fructification is that of a Sphseropsis. 



Sph^ropsis Menispermi n. sp. 



Perithecia numerous, prominent, black, at first covered by the 

 epidermis, which at length bursts, revealing the apex of the peri- 

 thecia ; spores oblong, -^ ^qq ' long. 



Dead stems of Menispermum Canadense. Greenbush. ^N^ovem- 

 ber. Buffalo. Clinton. 



The stem is roughened by the prominent perithecia, and the 

 epidermis of the bark gives them a shining appearance. 



Yermicularia Dematium Fr. 



Dead stems of herbs. West Albany. May. 



Yermicularia ovata Schw. 



Dead stems of herbs. Greenbush. May. 



DiscosiA Artocreas Fr. 



Fallen oak leaves. Greenbush. 



Melanconium bicolor I^ees. 



Dead branches of the white birch, Betula populifolia Center. 

 June. 



DiSCELLA OBSCURA B. <& C. 



Dead branches of Acer spicatum. Knowersville. July. 



