Lachnella 273 



On dead grasses, Phragniites, Andropogon and undetermined 

 grasses. 



Type locality : Europe. 



Distribution: New Jersey to Washington; also in Europe. 



Exsiccati: Ellis & Ev. N. Am. Fungi 2038, 2630. 



54. Lachnella Pteridis (Alb. & Schw.) Phill. Brit. Discom. 256. 

 1887. 



Peziza Pteridis Alb. & Schw. Consp. Fung. 338. 1805. 



Urceola Pteridis Quel. Ench. Fung. 32 L 1886. 



Mollisia Pteridis Gill. Champ. Fr. Discom. 121. 1882. 



Trichopeziza Pteridis Rehm, Ber. Naturh. Ver. Augsburg 26: 100. 1881. 



Apothecia scattered, or gregarious, sessile, at first closed and 

 rounded, finally expanding and becoming cup-shaped, externally 

 dark olive-brown and clothed with adpressed, brown hairs; 

 hymenium concave, dull-yellowish; hairs 30-50 jx long, 4 // thick, 

 septate; asci clavate, 8-spored, reaching a length of 35-55 p. and 

 a diameter of 6-7 /x; spores fusiform simple, 1.5-2.5 X 6-9 fi; 

 paraphyses filiform. 



On dead stems of Pteridium aguilinum. 



Type locality: Europe. 



Distribution: New York and New Jersey to Ontario, Can- 

 ada; also in Europe. 



Illustrations: Alb. «& Schw. Consp. Fung. pi. 12, f. 7; 

 Phill. Brit. Discom. pi. 8,f. 47. 



Exsiccati: Ellis, N. Am. Fungi 141. 



Doubtful and Excluded Species 



Trichopeziza acerina (Cooke & Ellis) Sacc. Sa'II. Fung. 8: 417. 1889^ 

 Peziza acerina Cooke & Ellis, Grevillea 7: 40. 1878. On leaves of Acer sp- 

 Ellis, N. Am. Fungi 666. Material unsatisfactory. 



Dasyscypha acuum (Alb. & Schw.) Sacc. Syll. Fung. 8: 443. 1889; Peziza 

 acnum Alb. & Schw. Consp. Fung. 330. 1805; Helotimn acuum Karst. Myc. 

 Fenn. 1: 147. 1871; Lachnella acuum Phill. Brit. Discom. 246. 1887. This 

 is recorded from California on leaves of Sequoia. 



Dasyscypha albocitrina (Cooke) Sacc. Syll. Fung. 8: 446. 1889; Peziza 

 albocitrina Cooke, Grevillea 7: 47. 1878. On Vaccinium leaves. Cooke 

 states "closely allied to P. virgineUa." 



Lachnella albolahra Ellis & Ev. Bull. Torrey Club 24: 467. 1897. On 

 dead shoots of Ribes prostratum. Type specimen in The New York Botanical 

 Garden needs further study. 



Dasyscypha albopileata (Cooke) Sacc. Syll. Fung. 8: 445. 1889; Peziza 

 albopileala Cooke, Hedwigia 14: 82. 1875. On fallen leaves of Magnolia. 

 The description suggests Lachnella virginea. 



