701 



The two oxtrciuo sopta at each end of the sporidiiuii areclo!<o together 

 ami near the end of tlie s|toridiiini. 



On '»ark of a trunk oi Liquithimhar, South Carolina, (Curtis.) 



HYSTEROWRAPHIIM, Ctntla. 



Icones FuiiKoriiiii. V, p. ,vt. 



Porithecia eruinjtent, sessile, elongated oi- elliptical, olituse, jironii- 

 n<Mit, mostly simple, opening h\ a narrow, elongated, longitudinal elelt. 

 Iilack and earl»onaceous. Asci thiek-walled, elavate, S-spored, with 

 parnphyses branching above and forming a colored ej»itheciuni. Spo- 

 riilia 1-2-scriate, elliptical or ovate, obtuse, Iiecoining nnn-ifoi-m, Itrown 

 or, in the sul)genus Gloniopsis. hyaline. (Hehm in Die Pilze). 



'J'he genus diflers from I/ytiterhtin in its muriform sporidia. 



* Sporidia colored. 

 H. Fnixiiii, (Pers.) 



Ilysli-iiiiin /'liiAiiii, I't-rs. Syii. p. gS. 

 IfysteKisioplliu"! I'laxiiii. Oe Not. I'ir. 1st. p. 22. 

 Kx.sicc. Rchm Aso. 26.— Kuiize, K. Sfl. .v,6.— Ucsm. IM. Cr. Kii. I, .S3.— Koiini. !•". O. 2561;. 

 5450.— Sydow, M. March. 951.— KH. N. A. K. 997.— Rab. V. V.. 5S. 



Peritliecia scattered or gregarious, erum]ient, ellij)tical, black, 

 olitusc aI»ove, 1-1 ^ nim. long, h-i mm. wide; lijis swollen, smooth, 

 partially open so as to expo-e the narrow disk. Asci clavate, i-ounded 

 above, l.'J()-20() X 30-40 //, 8-sporcd, with fdiform paraphyses. Spo- 

 ridia biseriatc, oblong-rlliptical, scarcely constricted in the midille. 

 T-9-septate and murilbrm, dark yellow-brown, 30-40 x 15-18 /i. 



On dead lind)s o^ F raxiniis, New York, Pennsylvania, Iowa and 

 Canada; jirobably common throughout the United States. 



H. Syi'ingjp, (Schw.) 



Hyslerium Syringa:, Sch\T. Syn. N. Am. 2073. 



Tiyblidiiim Syiingie, Cke. Uisc. of the U. S. p. 32, Grev. IV, PI. 67, fig. 10. 

 Tiybliiliiim tifalbatiim, Ger. Bull. Torr. Hot. Cliib, V, p. 40. 

 Ifystfroirraphiiim Syringic, Sacc. SyU. 5763. 



At first subimmerscd, at length denuded, mostly scattered over 

 pallid spots and often surrounded by a black ci'ust, ovate-elliptical, 

 acuminate or subobtusc, black, not striate; lips at length widely 

 gaping and exposing the subrugose, black disk. Asci oblong-clavate, 

 rather abruptly contracted into a short stipe below, obtuse and roinided 

 al)ove, paraphysate, 8-spored, 100-112x20-25 //. Sporidia sulibi- 

 seriate, ovate-elliptical, G-S-septatc and nniriibrm, yellowish-hyaline at 

 lii-st, beeonung dark brown and almost opake, 25-34 x 12-15 //. 



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