211 



paraphysate. Sporidia biseriate. oblong. 3-septate. brown, constricts 1 

 and separating at the middle septum. Differs from Trematosphcema 

 principally in its sporidia separating in the middle. 



0. rugulosa, Fckl. 1. c. 



Exsicc. Ell. N. A. F. 694. 



Stroma inconspicuous or none. Perithecia gregarious, adnate- 

 superficial, conic-globose, about | mm. diam., carbonaceous, black, sub- 

 vclutinous below. Ostiolum conic-tuberculiform, soon perforated. 

 A<ci clavate-cylindrieal, stipitate, 80-1 10 x 7-8 /*, paraphysate. Spo- 

 ridia biseriate, fusoid-oblong, :)--eptate. In-own, constricted and sepa- 

 rating in the middle. 16-'JOx4 U //. ('14-16 x4J-5 //. Winter and 

 Sylloge). 



On the liard wood of a decaying oak .stump. Newfield. N. J. 

 Found also in Florida by \V. W. Calkins. 



0. modesta, Fckl. 1. c. 



Exsicc. Fckl. F. Rh. 2173. Ell. N. A. F. 694 (b). 



Differ.- from the preceding in its distinct, pulverulent-velutinous 

 -iibiculum and rather smaller sporidia (14-1(1 x ;H-4 //). 

 On a decaying oak stump, Newfield, X. .1. 



WIXTERIA, Rehm. 



Ascom. Diag. Xo. 286. 



Perithecia rather soft, tnembranaceous, not carbonaceous, greenish- 

 or reddish-] larenchymatous, generally collapsing to cup-shaped. Osti- 

 olum perforated. Sporidia hyaline, 2- or more-septate, and sometimes 

 sul (fusiform. 



W. ccei'iilea, E. & E. Journ. Mycol. 1. p. 91. 



Perithecia scattered, niembranaceous, flattened. J-J mm. diam.. 

 covered by the thin epidermis, through which they are plainly visible. 

 Ostiolum broad-papilliform, obtuse, collapsing when dry so that the 

 perithecia ap]>ear umbilicate. Asci 75-114x16-17 //..oblong-cylin- 

 drical, abruptly contracted below into a short, stout base, and sur- 

 rounded by filiform paraphyses. Sporidia 8 in an ascus, broad fusiform 

 or clavate -fusiform, narrowed below into an acute, awl-shaped base, 

 yellowish, multi- (8-1 2-) septate and subniuriform. 30-35x7-8 //. 



On bark of some living coniferous tree, Washington (leg. Suks- 

 dorf, com. C. J. Sprague). 



