102 Twenty-fifth Report on the State Museum. 



dotted by the numerous slightly prominent stellate ostiola ; peri- 

 thccia crowded in a single layer, elliptical, black ; asci long, con- 

 taining many spores ; spores sausage-shaped, yellowish in the mass, 

 .0002' long. 



Dead branches of birch trees, Betula littea^ in woods. Greig. 

 September. 



This species belongs to the subgenus Diatrypella and may be 

 readily known by the green stroma. Externally it resembles 



Melanconis eUi/ptica. 



EUTYPA LATA PeVS. 



Decaying wood. Greenbush and Castleton. May and June. 



DoTHTDEA TkIFOLII Ft. 



Leaves of clover. Buffalo. Clinton. Sterile. 



DoTniDEA Kalmi^e n. SJ). 



Thin, effuse, investing the branches, black, shining, brownish 

 within ; cells small, whitish within ; asci linear ; spores uniseriate, 

 uniseptate, constricted, subhyaline, .OOOtt'-.OOOS' long, half as broad, 

 the cells generally nucleate and unequal. 



Branches of Kalmia angustifoliq. Sandlake. September. 



This plant forms a black crust which entirely surrounds the 

 smaller branches, and which, in fertile specimens, is seen by care- 

 ful inspection to be minutely dotted with black points or ostiola. 

 Within it has the appearance of half charred wood. It kills the 

 branches attacked. A form of this plant was found in June, desti- 

 tute of asci but having oblong, simple, spore-like bodies, .0008' long. 



Melanconis elliptica n. sj). 



Stroma transversely erumpent, elliptical, prominent, seated on 

 and discoloring the inner bark, black on the surface, having an 

 olivaceous tinge within ; perithecia small, immersed in the basal 

 part of the stroma, subglobose, black ; ostiola few, papillate, some- 

 times surrounded by an impressed line ; spores crowded or biseriate 

 above, colored', elliptical-oblong, five-septate, .OOll'-.OOlS' long, 

 .0005' broad. 



Bark of dead birches, Betula fopulifolia. Center. November 

 and April. 



This species is apparently related to M. lanciformis^ but the 

 spores are smaller. The aperture in the epidermis is acute at each 

 end. 



Yalsa ameiens Fr. 



Dead branches of apple trees, also of poplars. Guilderland and 

 Indian Lake. October and May. 



