36 Procccdiui^s of the Ohio State .■Icadciiiy of Scioice 



-{-Lachiica criiiacciis ( Schw. ) Sacc. Svl. Inini;-. 8: \H2. 1889. 



Peziza erinaceus Schw. S\n. l'\ing. Carol. Xo. 1194. 

 1822. 



Apothecia in clusters. 0.5- [.5 mm. broad, fleshy, interior 

 hght Ijrown, exterior covered with Ijristle-lik'e, brown, septate, 

 pointed hairs, ilxmenium and h\])othecium pale gray, outer 

 cells of the cup slightly brownish. I'araphyses filiform, slender, 

 granular. Asci cylindrical. Spores hyaline, oblong-elliptic, 2-4 

 oil globules, uniseriate, 13-1^) mic. long and 8- 10 mic. wide. 



Growing on rotten wood. Probably quite common. 



Coll. Pruce and II. W. Mnk, June 15, 1907. 



Family II. Pvroi\emace.\e. 



]\Ivcelium mostly sui)erhcial and threadlike. Apothecia 

 plane or convex from the first. Hypothecium and exciple when 

 present of similar structure, usually pseudo-parenchymatous. 

 Exciple more often wanting or very poorl}- develo])ed. 



Growing on soil, charcoal, ashes, or decaying vegetation. 



Genus I. Pyronema Carus Xova. Acta Acad. Caes. Leop. Car. 



17: 370 pi. 27. 1835. 



Tv]:)e species, Pyronema marianum Carus. 



Mycelium delicate, radiating, white, weblike. Apothecia 

 fleshy, sessile, plane or convex from the first, small, usually 

 bright-colored, glabrous or hairy, distinct or more or less con- 

 fluent as the hymenium spreads. Exciple very poorly developed. 

 Paraphyses slender or stout, often granular, colored or hyaline, 

 simple, septate or non-septate, filiform or clavate. Asci cylin- 

 drical or cylindrico-clavate. Spores 8 ellipsoid or oblong, hya- 

 line, without oil globules, smooth. 



Growdng most commonly on ashes, charred wood or on the 

 ground wdiere there has been fire, but also found on newdy plas- 

 tered walls and paper. Early spring to late fall. 

 Pyronema conduciis (Pers.) Tul. Select. Fung. Carp. 3: 197. 



1865. 



Peziza confluens Pers. Obs. Mycol. 81. Xo. 126. pi. 5. 

 f. 6 and 7. 1796. 



