60 Proceedings of the Ohio State Academy of Science 



Genus II. Durella Tul. Select. Fung. Carp. 3:177. 1865. 

 Type species, Peziza compressa Pers. 



Apothecia tough-coriaceous, twisted when dry, subsuperficial, 

 sessile, somewhat concave, black or olivaceous. Paraphyses 

 hyaline and somewhat branched near the ends. Asci clavate, 

 shortly attenuated at the base. Spores 8, oblong or elliptic, 

 colorless or very rarely dark, 4-6 celled, somewhat constricted 

 at the septa. 



Growing on decaying wood and stems. 



Durella clavispora (B & Br.) Sacc. Syl. Fung. 8:794. 1889. 



Patellaria clavispora B. & Br. Ann. & Mag. Nat. Hist. 

 II. 13:465. no. 774. 



Apothecia in groups 1-1.5 mm - broad, black, sessile, plane 

 or somewhat convex. Hymenium hyaline except near the ends 

 of the paraphyses, hypothecium, exciple and the ends of the 

 paraphvses dark green. Paraphyses sometimes branched at the 

 ends. Asci clavate. Spores hyaline, clavate, curved, 8-9 celled, 

 usually a single large oil globule in each cell, 24-33 m ' c - ^ on S 

 and 7-9 mic. wide. 



On old wood and stems. Probably common. 



Coll. Freda M. Bachman, Oct. 23, 1907. Bruce Fink, March 

 31, 1908, Aug. 11, 1908. 



Genus III. Patellaria Fr. Sys. Orb. Veg. 113. 1825. 

 Type species, Patellaria atrata Fr. 

 Apothecia coriaceous, blackish, sessile, small, circular or 

 elongated, plane then slightly convex, superficial. Paraphyses 

 granular, colored near the ends, somewhat adherent forming a 

 dark epithecium. Asci clavate. Spores 8, fusiform, often clavate 

 and curved, 4 or more celled. 



Patellaria atrata (Hedw.) Fr. Sys. Orb. Veg. 114. 1825. 



Lichen atratus Hedw. Desc. Spec. Mus. Frond. 2:61. 

 pi. 21. f. a. 1789. 

 Apothecia usually in groups I-1.5 mm. broad, black, sessile, 

 somewhat elongated. Hymenium hyaline except at the ends of 



