132 The North American Cup-Fungi 



?Helotium citrinum suhlenticulare Fries, Summa Veg. Scand. 355. 1849. 

 Phialea citrina Gill. Champ. Fr. Discom. 109. 1882. 

 Calycella citrina Boud. Bull. Soc. Myc. Fr. 1: 112. 1885. 

 Helotium confluens Sacc. Syll. Fung. 8: 222. 1889. 

 ?Helotium lenticulare Sacc. Syll. Fung. 8: 225. 1889. 

 ?Helotium suhlenticulare Rehm in Rab. Krypt.-Fl. 1': 784. 1893. 

 Helotium alaskae Sacc; Sacc. Peck, & Trelease in Harriman Alaska Exped. 5: 

 25. 1904. 



Apothecia thickly gregarious and often running together in 

 confluent masses, the individuals with a short and relatively 

 thick stem, reaching a diameter of .5-3 mm.; hymenium plane or 

 nearly so, bright lemon-yellow; stem seldom exceeding 1 mm. in 

 length and often nearly wanting, lighter colored than the hy- 

 menium; asci clavate, 8-spored, reaching a length of 75-100 ^l 

 and a diameter of 10 m; spores ellipsoid, or fusoid, usually with 

 an oil-drop in either end and sometimes pseudoseptate, 3-4 X 

 9-14 ju; paraphyses filiform, reaching a diameter of 1.5 /x. 



On decaying wood, of all kinds; also on humus. 



Type locality: Europe. 



Distribution: Throughout North America; probably world- 

 wide. 



Illustrations: Hedw. Descr. 2: pi. 8, f. B; ? Fl. Dan. pi. 

 1971, f. 3; Batsch Elench. Fung. Cont. 2: pi. 39, f. 218; Sow. 

 Engl. Fungi pi. 150 (as Peziza aurea Bolt.), 151; Bull. Herb. Fr. 

 pi. 300. 



ExsiccATi: Ellis, N. Am. Fungi 1315, 1316; Clements, 

 Crypt. Form. Colo. 79; Shear, N. Y. Fungi 326; Reliq. Farlow. 

 123. 



One of the most common and widely distributed of the cup- 

 fungi. It is quite easily recognized by the bright lemon-yellow 

 color and short, thick stem-like base. 



29. Helotium dakotense (Rehm) Seaver, comb. nov. 

 Pezizella dakotensis Rehm, Ann. Myc. 11: 396. 1913. 



Apothecia scattered, subsessile, at first globose and closed, 

 finally patelliform, 1-1.5 n in diameter; hymenium dilutely 

 yellowish; asci clavate, reaching a length of 50-60 ju and a diam- 

 eter of 8 n, 8-spored; spores clavate, straight, 1-seriate, 2 X 12 /x; 

 paraphyses filiform, 2 jj. m diameter, hyaline. 



On branches of Symphoricarpos occidentalis. 



Type locality: Kulm, North Dakota. 



Distribution: Known only from the type locality. 



