Tympanis 371 



This closely resembles Tympanis fasckulafa but is distin- 

 guished by the greenish hymenium. 



5. Tympanis conspersa Fries Syst. Myc. 2: 175. 1822, 



Sphaeria cespitosa Tode, Fungi Mecki. 2: 41. 1791. 



Sphaeria Aucupariae Pers. Syn. Fung. 51. 1801. 



Peziza Pyri Pers. Syn. Fung. 671. 1801. 



Sphaeria conspersa Fries, Vet. Akad. Handl. 1817: 112. 1817. 



Cenangium Aucupariae Fries, Syst. Myc. 2: 181. 1822. 



Tympanis Aucupariae Wallr. Fl. Cr\pt. Germ. 2: 427. 1833. 



Peziza Aucupariae Pers. Myc. Eu. 1: 327. 1822. 



Apothecia erumpent in cespitose clusters of ten to twenty 

 each, seated on a fleshy- stroma, at first closed, gradually ex- 

 panding and becoming turbinate, with a short, thick stem, 

 reaching a diameter of .5-1 mm., black but often covered with 

 a whitish mealy coat, semicartilaginous when fresh, horny when 

 dry; hymenium plane, or slightly concave, blackish; asci cy- 

 lindric-clavate, reaching a length of 175 /^ and a diameter of 

 18-20 n, filled with minute, spore-like bodies .5 X 1-2 ^u; pa- 

 raphyses slender, branched, brown above and forming a brown 

 epithecium. 



On branches of various kinds, Mains, Tilia and Priiniis. 



Type locality: Europe. 



Distribution: New York and New Jersey to Massachusetts, 

 also in Europe. 



Illustrations: Tode, Fungi Meckl. 2: pi. 14, f. 113; Grev. 

 Scot. Crypt. Fl. pi. 338; Phill. Brit. Discom. pi. 11, f. 67; Rab. 

 Crypt.-Fl. P: 245,/. 2. 



ExsicCATi: Ellis, N. Am. Fungi 66; Barth. Fungi Columb. 

 4588; Reliq. Farlow. 153. 



6. Tympanis fasciculata Schw. Trans. Am. Phil. Soc. II. 4: 237. 



1832. 



Apothecia erumpent in fascicles of two to six apothecia each, 

 the individual apothecia becoming expanded and subturbinate, 

 black, reaching a diameter of .5 mm. ; hymenium concave, or 

 nearly plane, similar in color to the outside of the apothecium; 

 asci cylindric-clavate, reaching a length of 130 /x and a diameter 

 of 15 /i, filled with minute, spore-like bodies 1.5 X 4-5 ju; pa- 

 raphyses very slender, branched. 



On branches of Viburnum Lentago; also on Rhus and Cornus. 



Type locality: Bethlehem, Pennsylvania. 



