203 



A. melasperma, (Cke.) 



Psilosphceiia melasperma, Cke. Grev. VIII, p. 118. 

 Amphisphceria nielaspernia, Sacc. Syll. 2745. 



Erumpent, at length exposed. Perithecia globose, black, smooth 

 and somewhat shining. Ostiolum thick and subprominent. j\sci 

 cylindrical. Sporidia elliptic-acuminate, dark, nucleate, at length uni- 

 scptate and nearly black and opake. so that the septum is hardly visible. 

 35xl2/j. 



On naked wood. New York ((lerard). 



A. Oronoensis, (E. & E.) 



Sph<zria Oronoensis, E. & E- Journ. Mycol. Ill, p. 117. 



Perithecia scattered, subcarbonaceous, black, roughish, subsuper- 

 ficial, the l>ase only slightly sunk in the wood, small (about one sixth 

 mm.), globose or slightly depressed-globose. Ostiolum papilliform. 

 Asci linear, 75x5 IJL (spore-bearing part about 50 // long), surrounded 

 with abundant pamphyses. Sporidia uniseriate, oblong-elliptical, brown, 

 uniseptate but not constricted, 6-8 x 2|-3 /;., cells eijiial or the lower 

 one a little narrower. 



On rotten wood. Oronu. Maine (Harvey). 



Apparently near N/>//rr/vV/ sin-tlmi. De Xot. 



A. botnltespora, (Cke.) 



Sphceria botul&spora, Cke. Texas Fungi, No. 133. 

 Amphisphceria botulispora, Sacc Syll. 2719. 



Perithecia gregari* >us, semiimmersed, slightly compressed laterally, 

 t bunt \ mm. diam. Ostiolum papilliform, perforated. Asci saccate. 

 Sporidia straight or slightly curved, obtuse at the ends, uniseptate, the 

 upper cell being twice the length of the lower, constricted at the sep- 

 tum, brownish, 70-80.X 12 /*. 



On old rails, Houston, Texas (Ravenel). 



Specimens of this species in our Herb, from Ravenel. are sterile 

 or at most afford only a few hyaline, oblong, 3-niicleate. stylo?pon-s 

 7-8 x 21 fjL. 



A. phileiira, (C. & P.) 



Spluzria phileura, C. & P. Grev. V, p. 55, pi. Si, fig. 6. 

 Amphispheeriaphileura, Sacc. Syll. 2774, Cke. Syn. 3443. 



Perithecia punctiform, small, scattered, orbicular, depressed, semi- 

 immersed, black. Ostiolum simple, pierced. Asci clavate. Sporidia 

 biseriate, elliptical, In-own, uniseptate and slightly constricted at the 

 septum, 22 x 10 a. 



On bark of Tilio Ann>rie(nia. Xew York State (Peck). 



