559 

 than the surrounding portion of the bark, but the outer laver slightly 



t/ C_/ */ 



blackened so as to show on a cross section near the base a faint cir- 

 cumscribing line, and when the bark is peeled off, the inner surface 

 shows faint, whitish spots indicating the position of the stromata buried 

 in the bark. Perithecia 6-15 crowded in the bottom of the stroma, 

 small ( J mm. or less), black, coriaceous, their rather short necks termi- 

 nating in hemispherical, black ostiola scattered and erumpent through 

 the strongly conyox disk. Asci cylindrical, short-stipitate, 75-80 x 

 4 fji, paraphysate. Sporidia uniseriate, oblong, uniseptate, brown, not 

 Constricted, straight or slightly curved, 12-15x3-4 p.. 

 On bark of dead alders, Xew York and Xew Jersey. 



V. purpiirea, Pk. Bull. Torr. Bot. Club, XI, p. 28. 



Pustules prominent, erumpent, covered with a purplish tomentum. 

 Perithecia 6-20 in a pustule, crowded, subglobose, black. Ostiola 

 piercing the tomentum, rostrate, cylindrical or elongated-conical, rug- 

 ged, sometimes curved or flexuous, black. Asci cylindrical, paraph- 

 ysate, 75-105x10 p.. Sporidia uniseriate, colored, oblong-elliptical, 

 uniseptate, 15-18 x 7|-8 //. 



On bark of dead Fraxinus, Canada (Macoun). 



V. Peckii, (Howe). 



Valsa Peckii, Howe, 2-jth Rep. N. Y. State Mus. p. 109, 

 Valsaria Peckii, Sacc. Syll. 2825, Cke. Syn. 2076. 

 Exsicc. Ell. N. A, F. 171. 



Stroma oblong or elliptical, 1-2 mm. long, covered by the bark 

 and partly sunk in the wood, gray inside. Perithecia 5-15 crowded 

 in the bottom of the stroma, rather less than \ mm. cliam., ovate- 

 globose, coriaceous, thick-walled. Ostiola erumpent, connate, stout- 

 cylindrical, rough, mostly sparingly clothed with a thin, light brown, 

 farinose tomentum, conic-hemispherical or obtuse at the apex, perfor- 

 ated, rising through the slightly elevated bark in an oblong, dense 

 fascicle. Asci narrow-cylindrical, short-stipitate, 100-110x5-6 t u. 

 paraphysate. Sporidia uniseriate, oblong-cylindrical, straight or 

 slightly curved, uniseptate. brown, 12-15x5 //. 



On dead stems of Kalinia latifolia and V actinium corymbosum, 

 Xew York and X T ew Jersey. 



V. Niesslii, (Winter). 



Phtzosperma Niesslii, Winter, in Hedw. 1874, p. 131. 

 Valsaria Niesslii, Winter, Sacc. Syll. 2836, Cke. S}-n. 2086. 



Stroma immersed in the inner bark, thick, hemispherical from a. 



