425 



On dead hickory limbs, Newfield, N. J. 



The ostiola do not project at all, but are slightly umbilicate- 

 depressed. 



D. Carpini, (Pers.) 



Sphtsria Carpini, Pers. Syti. p. 39. 

 J Vaha Carpini, Fr. Suftima Veg. Sc. p> 41 1; 



Diaporihe Ca^ini, Fckl. Symb, p. 205. 

 Exsitc. Thum. M. U. 2169.— Rehm Asc. 376.— Kunze F. S'el. i'2i.— RaV. F. Am. 746.— Krgr. 

 F. SBx. 138,— Sydow M, March. 298, 1257. 



Stroma cortical, pale. Perithecia circinate, numerous, crowded, 

 closely circumscribed by a narrow line. Ostiola erumpent through 

 the stellately torn epidermis, not confluent, at firet papillate, finally 

 umbilicate, and sometimes rostellate. Asci oblong, sessile, 8-spored, 

 30-60 X 7-8 ;«. Sporidia subbiseriate, oblong-cylindrical, uniseptate> 

 obtuse, hyaline, 4-nucleate, 13-18x3-4 y.. Spermogotiia erumpent, 

 1-2 mm. across, with an irregular central opening; spermatia lance- 

 fusoid, 2-nucleate, hyaline, 12-15x3^-4 ;«. 



On Carpinus Americana, South Carolina (Ravenel), Canada 

 (Dearness), New York (Peck and Fairman). 



The specc. from Dr. Fairman have asci and sporidia correspond- 

 ing to the smaller dimensions in the foregoing diagnosis, which is 

 taken from Saccardo's Sylloge. 



D. strumilla, (Fr.) 



Sphdsria strumella, Fr. S. M, II, p. 565. 



Diatrype strumella. Fr, Summa Veg. Scand. p. 385. 



Diaporihe strumella, Fckl. Symb. p. 205. 

 Exsicc. Fckl. F. Rh. 598.— Rab. Herb. Myc. 49, 255.— id. F. E. 2431.— Rehtn Asc. 429, 

 Sydow M. March, 196.— Thum. M. U. 1160, 1857.— Desm. PI. Crypt. Ed. I, 1752, Edi 

 II, 1402.— EU. & Evrht. N. A. F. 2d Ser. 2524. 



Stromata thickly and evenly scattered, orbicular, depressed, 

 formed of the unaltered substance. of the inner bark, and covered by 

 the epidermis. Perithecia 10-15 in a stroma, circinate, small, spheri- 

 cal, penetrating to the wood, and often adnate to it. Ostiola cylin- 

 drical, closely packed together, and erumpent in a black, elliptical, 

 transverse disk which is finally obliterated ; mostly short and obtuse, 

 but sometimes elongated. Asci 50-60 x 7-10 /z, subsessile, clavate. 

 Sporidia biseriate, fusoid, uniseptate and constricted at thfe septum, 

 13-22 X 3-4 fx, greenish-hyaline, slightly curved. 



On dead stems of Rihes lacustre, Canada (Dearness), New York 

 (Peck). 



D. snbc6ngrua, E. & E. (in Herb.) 



Perithecia ovate-globose, | miUL diam., 6-12 together, enclosed in 

 54 



