683 



G. graphicum, (Fr.) 



Hysterium graphi cum, Fr. S. M. II, p. 581, Obs. Myc. I, p. 194. 

 Hysterium contortum, Dittm, in Sturm Deutschl. Fl. 3, I, p. 65. 

 Hysterographium conjungens, Karst. Symb. Mycol. Fenn. 259. 

 G Ionium graphicum, Duby, Hyst. p. 35. 



Perithecia scattered or gregarious, superficial, elongated, straight 

 or curved, rarely branched, smooth, black, lips at first connivent, at 

 length open, 1 mm. long, \ mm. wide. Asci oblong-clavate, rounded 

 above, very short-pedicellate, 60-70x21-25 jut, with thick, branching, 

 septate paraphyses with brownish tips. Sporidia conglobate, ovoid or 

 fusoid-oblong, straight or slightly curved, uniseptate, slightly or not at 

 all constricted in the middle, at length brownish or yellowish-brown, 

 28-38 x 9-12 fi (21-27 x 5-7 /*, Rehm). 



On bark of Sassafras, Bethlehem, Pa. (Schw.). 



G. varium, (Fr.) 



Hysterium varium, Fr. S. M. II, p. 582. 

 Glonium varium, Saoc. Syll. 5598. 



Innate-superficial, subelongated, variable, black, brown inside, the 

 subobsolete lips and disk black, lips obtuse, at first closed, finally open. 

 Asci elongated-clavate, 8-spored, paraphysate. Sporidia subuniseriate, 

 elliptic-oblong, uniseptate, 2-nucleate, 25x12-13 /*, ends subacute, 

 hyaline, finally brownish. 



Very rare; on oak, Bethlehem, Pa. (Schw.), Carolina (Berk, in 

 Grev.) Diagnosis from Sacc. Sylloge. 



G. simulans, Gerard, Bull. Torr. Bot Club, VI, p. 78. 



Gregarious, superficial, linear, oblong or subglobose, obtuse at the 

 ends, whole surface marked with close, fine, longitudinal stria?, mostly 

 about 1 mm. long, straight or slightly curved, lips closed. Asci sub- 

 cylindrical, with an abruptly narrowed, short, stipe-like base, 75-80 x 

 10-12 fi. Paraphyses linear with an abundance of yellowish granular 

 matter intermixed. Sporidia biseriate, ovate-oblong, uniseptate, hya- 

 line, slightly constricted at the septum, 11-15 x4-5 pu 



On decaying, but still hard wood. New York, Canada, Pennsyl- 

 vania and Ohio; probably common in other sections. 



G. nitidura, Ell. Grev. VIII, p. 13. 



Exsicc. Ell. N. A. F. 570. 



Perithecia densely gregarious, superficial, minute (\-\ mm. long), 

 lying parallel in the direction of the fibers of the bark, subconchiform, 

 faintly striate ; lips closed so as to form a narrow ridge or crest along 



