430 



kirk, subcircinate, 7-20 together, ovate-globose, ^-J nun. diain., con* 

 tracted above into short, slender, convergent necks with the ostiola 

 Mnooth and rounded or distinctly quadrisulcate and enunpent in a 

 small, capitate fascicle. In well developed specimens the ostiola are 

 cylindrical, 1-2 mm. long, but quite as often they project only slightly 

 above the epidermis. There is not a separate cir cum scribing line 

 around each cluster of the perithecia, but one continuous, black layer 

 extends along just under the surface of the inner bark over the entire 

 >pace occupied by the fungus. In the early stage of growth, and where 

 there are only a few perithecia in a cluster, the surface of the inner 

 bark is smooth and even, but where the perithecia are more numerous 

 and well developed, they raise the bark into little flat pustules about 

 2 mm. diam. Asci 45 x 7-8 // (p. sp.), with paraphyses. Sporidia bi- 

 seriate, oblong-fusoid, 4-nucleate. slightly constricted in the middle, 

 10-13 x 3-3 J //, ends subobtuse. This was at first referred to Diapor- 

 tJte Woolworthii, Pk., but, having compared it with a specimen of that 

 species from Mr. Peck, we find it to differ in its larger and more nu- 

 merous perithecia with long, cylindrical ostiola, and its broader spori- 

 dia; nor is there any seriate arrangement in the clusters of perithecia, 

 or any circumscribing line. Mr. Commons sends the same from Dela- 

 ware (No. 1266), differing only in the clusters of perithecia being more 

 or less longitudinally confluent. 



On dead oak limbs, London, Canada (Dearnc-ss). 



D. magnispora, (E. & E.) 



Valsa magnispora , E, & E. Jcmrn. Mycol. Ill, p. 42. 

 Diaportlie magnispora, Sacc. Syll. IX, p. 707. 



Perithecia buried in the inner bark, not penetrating to the wood, 

 or circumscribed by any black line, 6-10 in a cluster, globose-ovate, 

 about \ mm. diam., contracted above into short necks which burst in 

 a cluster through the epidermis, but project only slightly above it, 

 their apices (ostiola) hemispherical, black, smooth and shining, with a 

 minute, central pore, and sometimes slightly umbilicate. Asci subses- 

 sile, oblong-cylindrical, 100-120x18-22 //. Sporidia biseriate, ob- 

 long-fusoid, hyaline, uniseptate, slightly curved, 25-35 x 7-11 /JL. Diet- 

 porthe Aceris, FckL, has asci only 60x8 // and sporidia 14 x 4 p.. 



On dead maple limbs, Plainfield. N". J. (G-. F. Meschutt). 



r 



I). Aceris, FckL Symb. p. 204. 



Valsa niyinda, C. & E. Grev. VI, p. 93. 

 Diaporthe myinda, Sacc. Syll. 2368. 

 Exsicc. EH. N. A. F. 180, 



