Hone: pezizales, phacidiales and tuberales of minn. 105 



pi. 1324; Gill. Discom. Franc. i)l. yy. f. 2; Phill. Man. Brit. Dis- 

 com. pi. 5. fig. 26. 



12. HELOTIUM PERSOON. 



Cups gregarious or solitary, sessile or stipitate, waxy, often thick, 

 plane to repand ; exterior glabrous, smooth or pruinose ; spores el- 

 liptical to fusiform, smooth, hyaline, 2-4 septate. 



1. Helotium citrinum (Hedw.) Fries, Summ. Veg. Scand. 355. 1849. 



(Plate XIV. Fig. 6.). 



O'ctospora citrinum Hedw. Musci. Frond. 2, tab. 8, c. 1787. 



Crowded into irregular patches, shortly stipitate or sessile, closed, 

 becoming open and quite plane ; margin entire, firm ; hymenium 

 even, lemon-yellow all over, 1-3 mm. across; spores elliptical, ob- 

 tuse, smooth, hyaline, with two or more guttulae, continuous, 8- 

 12 X 3-4 mic. ; paraphyses filiform, not clavate, slender, branched. 

 Very closely related to H. conflnens Schweinitz. 



On decaying and naked wood ; Cass, Sept. 1898, Freeman & Mac- 

 Millan 166; Hennepin, Sept. 1898, Freeman 241; Hennepin, Oct. 

 1900, Freeman 922.5; Cook, Aug. 1903, Freeman & Ballard 90; 

 Washington, Oct. 1907, Hone 941. 



Exsiccati : Sydow, Mycoth. March. 3475 ; Jaczewski, Komorov., 

 Tranzschel. 45 ; Romell, Fungi Scand. 92 ; Plates : Sow. Eng. Fung. 

 2. pi. 151; Saccardo, Fungi Ital. 1346. 



2. Helotium herbarum (Pars.) Fries, Summ. Veg, Scand. 356. 1849. 

 Pcziza herbanini Pers. Disp. Meth. Fung. 72. 1797. 

 Gregarious, sessile, repand, glabrous, white to yellowish, to 2 



mm. in diameter ; spores narrowly elliptical, rather blunt, smooth, 

 hyaline, slightly curved or straight, continuous, first with several 

 guttulae, ultimately 1-4 septate, biseriate, irregular, 12-14x2-3 

 mic. ; paraphyses filiform, colorless, slender, slightly thickened at 

 apex. 



Growing on herbaceous stems ; Hennepin, Sept. 1893, Sheldon 

 5762. 



Exsiccati: Krieger, Fungi Sax. 190; Sydow, Mycoth. March. 

 369, 4365 ; Ellis, North American Fungi 670 ; Plates : Gill. Discom. 

 Franc, pi. 89. fig. 2; Saccardo, Fungi Ital. pi. 1363. 



3. Helotium concolor (Phill.) Mass. Brit. Fung-Flor. 4: 247. 1895. 

 Pezisa concolor Phill. Grev. 8 : 102. 1879. 



Phialea concolor Sacc. Syll. Fung. 8 : 258. 1889. 

 Gregarious, minute, stipitate, thin, fleshy to tough, pallid or dirty 

 white; exterior finely pubescent; margin minutely fimbriate, 0.25-1 



