4:29 



but finally more or less exserted. A-ci fusoid. 50x6-7 /;.. Sporidia 

 subbiseriate, oblong-fusoid, 4-iiucleate, slightly constricted in the mid- 

 dle, 1 2-15 x 3-3 J u. 



On dead limbs of Ailantlmx glandulosa, Delaware (Commons). 



The specc. sent by Mr. Commons are quite variable as to the 

 ustiola which are sometimes \ mm. long and then clavate. The stroma 

 is limited by a black circumscribing line. 







D. bidncta, \ & P.) 



/ 'aha bidncta, C. & P. 29th Rep. N. Y. State Mus. p. 64. 

 Diaporthe bidncta, Sacc. Syll. 2411. 



Stromata thickly scattered, depressed-hemispherical, about 3 mm. 

 diam., seated on the inner bark without any circumscribing line, dirty 



, 



white inside. Perithecia U-20- in a stroma. of medium H'/C. sunk in 

 the bark, their cylindrical necks terminating in a compact fascicle of 

 stout, black, obtusely conical nstiula piercing the cpidei'inis but not 

 rising much a'>nve it. and finally umbilicate-collapsed. Asci subcylin- 

 drical, 40-45 x G //. Sporidia biseriate, narrow-elliptical, 4-nucleate. 

 not constricted, 10-1 o x .'J //. 



On dead branches ot Juglans cinerea, X' i w York (Peck). 



When the epidermis is peeled off, the fascicle of ostiola is sur- 

 rounded by a pale whitish zone at base, and this, a.irain. by a dark- 

 enlored line. 



D. leiplmnia, (Fr.) 



Sphczria leiphezmia, Fr. S. M. II, p. 399. 



Vaha Ifipluemia, Fr. Sunnna, Veg. Sc. p. p. 412. 



Diaporthe leiphcema, Sacc. M. \. spec. p. 135, tab. XIII, figs. 26-28. 



Exsicc. Fckl. F. Rh. 611. Kze. F. Sel. 34^. Rab. Herb. Mycol. 732, id. F. E. 1015, 2225. 

 Rehm Asc. 476. Cke. F. Brit. Ser. I, 255. 2d Ser. 225. Desm. PI. Cr. Ed. I, 1256. 

 Ed. II, 756. Ell. N. A. F. 93. 



Stroma ta numerous and thickly scattered but not confluent, corti- 

 cal, with a pale, erumpent, convex-hemispherical disk. Perithecia 

 numerous, lying in the bottom of the stroma, pale, soft. ( )-tiola not 

 strongly exserted. Asci fusoid, subsessile, 70-80 x 9 /*, 8-spored. Spo- 

 ridia biseriate, oblong-elliptical, uniseptate, slightly constricted. 15- 

 20 x 4 fA. 



On decaying oak limbs, common. Mostly on Quercus alba around 



Newfield. 



D. Raveneliana, Thiini. ct Rehm in Thiim. M. U. 865, is D. 

 leipJicemia, Fr. (at least in our copy). 



D. crinfeera, E. & E. Proc. Acad. Xat. Sci. Phil. July, 1891. 

 >troma cortical. Perithecia buried in the substance of the inner 



