142 The North American Cup-Fungi 



Type locality: Buffalo, New York. 

 Distribution : Known only from the type locality. 

 Illustrations: Mycologia 34: 166, /. 12. 

 This according to W. L. White is very close to Ilelotium 

 citrinulum Karst. {Helotium flexuosum Massee). 



48. Helotium cyathoideum (Bull.) Karst. Fungi Fenn. 836; Not. 

 Soc. Fauna Fl. Fenn. 11: 237. 1871. 



?Peziza tenella Batsch, Elench. Fung. Cont. 1: 215. 1786. 



Peziza cyathoidea Bull. Hist. Champ. Fr. 250. 1791. 



Peziza Solani Pers. Obs. Myc. 2: 80. 1799. 



Peziza Urticae Pers. Myc. Eu. 1: 286. 1822. 



Cyathicula vulgaris DeNot. Comm. Critt. Ital. 1: 381. 1864. 



Helotium Urticae Karst. Not. Soc. Fauna Fi. Fenn. 13: 234. 1873. 



Helotium Limonium Cooke & Peck; Peck, Ann. Rep. N. Y. State Mus. 26: 83. 



1874. 

 Phialea cyathoidea Gill. Champ. Fr. Discom. 106. 1882. 

 Calycella cyathoidea Quel. Ench. Fung. 307. 1886. 

 ?Calycella tenella Quel. Ench. Fung. 307. 1886. 

 Phialea Solani Sacc. Syll. Fung. 8: 252. 1889. 

 Hymenoscypha cyathoidea Phill. Brit. Discom. 140. 1887. 

 Hymenoscypha Urticae Phill. Brit. Discom. 141. 1887. 

 Hymenoscypha cyathoidea Solani Phill. Brit. Discom. 141. 1887. 

 Calycina Limonium Kuntze, Rev. Gen. PI. 3': 448. 1889. 



Apothecia gregarious, stipitate, at first closed, becoming 

 expanded and shallow cup-shaped, reaching a diameter of .5 to 

 2 mm.; whitish, or slightly yellowish; hymenium concave, or 

 nearly plane, a little darker than the outside of the apothecium; 

 stem slender, nearly as long as the diameter of the cup, but 

 occasionally much longer, similar in color to the outside of the 

 apothecium; asci cylindric-clavate, reaching a length of 45-50 /x 

 and a diameter of 4.5-5 n, 8-spored; spores 2-seriate, elongated, 

 fusoid, or subclavate, straight, or curved, usually with a small 

 oil-drop in each end, 1.5-2 X 5-10 ;u; paraphyses slender, clavate, 

 reaching a diameter of 3 /x. 



On herbaceous stems or more rarely on small twigs. 



Type locality: Europe. 



Distribution: New York to Pennsylvania, Alabama and 

 California?; also in Europe. 



Illustrations: Bull. Herb. Fr. pi. 416, f. 3; Batsch, Elench. 

 Fung. Cont. 1:/. 151; Boud. Ic. Myc. pi. 494; Rab. Krypt.-Fl. 

 V: 703,/. 1-5. 



Exsiccati: Ellis, N. Am. Fungi 986; Ellis & Ev. N. Am. 



