535 



brownish, enimpeiit througli a narrow, transverse chink which is acute 

 at each end, and pierced by the smooth, blacli ostiola. Asci oblong, 

 broad, subcylindrical to fusoid, sessile, 50-75 fx long. Sporidia cylin- 

 drical, crowded, more or less curved, colorless, obtuse at the ends, 

 usually multinucleate, 50-67 x 4-5 /i. 



On bark of Betula populifolia, New Albany, N. Y. (Peck). 



Allied to Cr. cinctula, but differs in the character of the disk 

 and the tomentose perithecia. 



Cr. albofiisca, (C. & E.) 



yalsa aldqfusca, C. & E. Grev. V, p. 31. 

 CrypiospQrella albofusca, Sacc. Syll. 1815. 

 Valsa {Cyyptosporelta) albofusca^ Cke. Syn. 1934. 

 Exsicc. Ell. N. A. F. 92. 



Pustules small, covered by the slightly raised epidermis, scat- 

 tered. Perithecia few, 4-8 in a stroma formed of the scarcely altered 

 substance of the inner bark, pale, necks short, the small, black, erum- 

 pent ostiola at first covered by a mealy, white pseudo-disk which soon 

 disappears. Asci oblong-clavate, sessile, aparaphysate, 65-80 x 8-10 //. 

 Sporidia lying parallel in the asci, cylindrical or clavate-cylindrical, 

 30-40 X 3|-4 IX. 



On dead limbs of Quercus obtusiloba, Newfield, N. J. 



When the mealy white layer has disappeared, the ostiola are seen 

 to be united in a brown disk. 



*** Sporidia 2- or more-septate, or pseudo septate (Gulosj)07'a). 

 Cr. trichispora, (C. & P.) 



l/^alsa trichispora, C. & P. Cke. Valsei V. S. p. 119, Pk. 29th Rep. p. 58. 



Cryptospora trichispora, Sacc. Syll. 4122. 



Valsa (Cryptospora) trichispora, Cke. Syn. 1949. 



Pustules small. Stroma cortical, pale ochraceous as well as the 

 erumpent disk. Perithecia few, dark brown when mature. Ostiola 

 exserted, quadrisulcate. Asci clavate. Sporidia filiform, hyaline, 

 5-7 -septate, 55 x 1\ p.. 



On dead twigs of oak, Greejibush, N. Y. (Peck). 



It looks like a miniature Diaporthe leiphmmia. 



Cr. aculeans, (Schw.) 



Spharia aculeans, Schw. Syn. N. Am. 1395. 

 Calospora aculeans, Sacc. Syll. 3703- 

 Valsa [Calospora) aculeans, Cke. Syn. 2045. 

 Valsa Rhois, Cke. F. Brit. Ser. I, No.' 245, id. Ser. II, No. 258. 

 Valsa albovelata, B. & C. Grev. IV, p. 102. 

 Valsa stilbostoma, Fr. in Rav. Car. Ill, 68. 

 Exsicc Cke. 1, c— Rav. F. Car. Ill, 68.— Ell. & Evrht. N. A. F. 2d Ser. 1569. 



