180 



clavate. Sporidia cyiiibiforiu, acute at each end, 4-nucIeate, becoming 

 uniseptate, 25 // long, hyaline. 



On decaying Vacchtium, Kewfield, X. J. 



M. Texensis, (Cke.) 



Spheeria Texensis, Cke. Texas Fungi, 143. 

 Melanfypsamma Texensis, Sacc. Syll. 2266. 



Scattered over gi-ayish or bleached spots. Perithecia subglobose, 

 immersed in the blackened wood, scarcely prominent. Asci cylin- 

 drical. Sporidia lanceolate, nniseptafe, hyaline, 15x6/^. 



On old oak rails, Texas (Ravenel). 



Specimens of this species in our Herb, from Ravenel (part of the 

 original Texas collection) have the asci oblong-cylindrical, about 60 x 

 12 II, nearly sessile and suriounded by abundant, filiform, branching 

 paraphyses. Sporidia biseriate, clavate-oblong, uniseptate, hyaline, 

 10-12x3-3^ /i, ends subacute. Only the vertex of tlie perithecia 

 projects above the surface of the wood. 



M. segregata, (B. & C.) 



Sphisria segregaia, B, & C. Grev. IV, p. 141. 

 Zignoella segregata, Sacc. Syll. 3647. 

 PSilosphceria segregata, Cke. Syn. 2980. 



"Perithecia scattered over the bleached surface, free, ovate, acute 

 at the apex. Sporidia hyaline, narrow, uniseptate, elongated-biconical." 

 On decayed wood, North Carolina. 



BERTIA, De Not. 



Giorn. Botan. Ital. I, p. 335. 



Perithecia su])erficial or nearly so, more or less irregular in shape, 

 of a leathery-carbonaceous texture, surface tubercular or coarsely 

 wrinkled, glabrous, black. Asci clavate, 4— 8-spored. Sporidia elon- 

 gated, subcylindrical, uni.'icptatc. hyaline. 



B. moriformis, (Tode). 



SphcEyia mori/ormis, Tode Fungi Meckl. II, p. 22, fig. 90, 

 Sphceria ctavi/ormis, Sow. Eng. Fungi tab. 337. 

 Sphisria rugosa, Grev. Flor. Kdin. p. 364, 

 Bertia morifortnis. De Not. 1. c. 

 Exsicc. Fckl. ?. Rh. 999. — Rab. Herb. Mycol. 637.— Rehm Asc. 442.— Sydow Mycoth. 

 March, 1818. 



Perithecia crowded, superficial, ovate or o^ate-globose, often com- 

 pressed vertically or otherwise irregular, black, surface coarsely tuber- 

 cular-roughened, \-\ iiiiu. diam. Asci elongated-clavate, pedicellate, 

 130-165x14-16 jL. Paraphyses faintly septate. S])()ridia 8 in an 

 a.scus, crowded iircgularlj', hyaline, cylindrical or fusoid-cylindrical, 



