Hg NATURAL HISTORY BULLETIN 



ternally dark colored, brown or blackish; tissue gelatinous; asci 

 cylindrical, 8-spored; spores hyaline, simple, elliptical. 



Distinguished mainly by the hyaline spores. One species rath- 

 er common in Iowa. 



*Sarcosoma rufa (Schw.) Rehm, Rabenh. Krypt. Fl. I 3 : 497. 

 1896. 



Plate 37, f. i. 



Bulgaria rufa Schw., Trans. Am. Phil. Soc. II. 4 : 178. 1832. 

 BULGARIA Fries, Syst. Myc, 2 : 166. 1821. 



Cups gregarious with a short, thick stem ; forming at first un- 

 der the bark, later breaking through; externally dark colored, 

 rough, often with short hairs, gelatinous, shrinking much when 

 dried; asci cylindrical, generally 8-spored; spores elliptical, or 

 unequal-sided, simple, hyaline, then brown; paraphyses forming 

 a colored epithecium; plants large, growing on wood. 



One species common about Iowa City. 



*Bulgaria inquinans (Pers.) Fries, Syst. Myc. 2: 167. 1823. 



Plate 37, f. n. 



Peziza polymorpha Oeder, Fl. Dan. pi. 464. 1769. 

 Peziza nigra Bull., Herb. France, pi. 116. 1782. 

 Peziza inquinans Pers., Syn. Fung. 631. 1801. 



HOLWAYA Sacc, Syll. Fung. 8: 646. 1889. 



Plants stipitate; stem more or less tomentose; entire plant 

 dark brown; hymenium plane or convex; asci clavate, 8-spored; 

 spores elongated approaching filiform, many-septate. 



One species occurs in Iowa, which is the only representative 

 of the genus. 



Holwaya gigantea (Peck) Durand. Bull. Torrey CI. 28: 354. 

 1901. 



Plate 38, f. n. 



Stilbum giganteum Peck, Ann. Rep. N. Y. St. Mus. 24: 93. 



1871. 

 Bulgaria ophiobolus Ellis. Am. Nat. 17 : 193. 1883. 



