425 



On dead hickory limbs, Kewfield, N. J. 



The ostiola do not project at alL but are slightly umbilicate- 

 depressed. 



D. Carpini, (Pers.) 



Sph&r'ia Carpini, Pers. Syn. p. 39. 

 Valsa Carpini, Fr. Summa Veg. Sc. p. 411. 

 Diaporthe Carpini, Fckl. Syrnb. p. 205. 

 Exsicc. T'hum. M. U. 2169. Rehni Asc. 376. Kunze F. Sel. 121. Rav. F. Am. 746. Krgr. 

 F. Sax. 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 first papillate, finally 

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

 30-60 x 7-8 11. Sporidia subbiseriate, oblong-cylindrical, uniseptate, 

 obtuse, hyaline, 4-nueleate, 13-18x3-4 p.. Spermogonia erumpent, 

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

 fusoid, 2-nucleate, hyaline, 12-15 x3|-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 Saceardo's Sylloge. 



D. strumMa, (Fr.) 



Sph&ria strumella, Fr. S. M. II, p. 565. 



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



Diaporthe strumella, Fckl. Symb. p. 205. 

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

 Sydow M. March, 196. Thum. M. U. 1160, 1857. Desni. Pi. Crypt. Ed. I, 1752, Ed. 

 II, 1402. EH. & 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 jut, subsessile, clavate. 

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

 13-22 x 3-4 /I, greenish-hyaline, slightly curved. 



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

 (Peck). 



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



Perithecia ovate-globose, J mm, diam., 6^-12 together, enclosed in 

 54 



