Helotium 145 



53. Helotium lanceolato-paraphysatum (Rchm) Seaver, comb, 

 nov. 



Pezizella lanceolato-paraphysata Rehni, Ann. Myc. 6: 316. 1908. 



Apothecia gregarious, sessile, or subsessile, at first globose- 

 closed, finally expanding and becoming plane, .3^.8 mm. in 

 diameter, irregularly contracted when dry; hymenium yellowish 

 with a whitish margin ; asci clavate, reaching a length of 30 n 

 and a diameter of 5-7 n, 8-spored; spores clavate, 2-seriate, 

 2 X 6-8 fx; paraphyses lanceolate, acute, prominent. 



On dried stems of Spiraea filipendula. 



Type locality: Lyndonville, New York. 



Distribution: Known only from the type locality. 



As indicated by the specific name this species is characterized 

 by its lanceolate paraphyses, unusual in the plants of this genus. 



54. Helotium albuminum (Cooke & Peck) Sacc. Syll. Fung. 8: 

 214. 1889. 



Pezisa albumina Cooke & Peck; Peck, Ann. Rep. N. Y. State Mus. 26: 81. 



1872. 

 Calycina albumina Kuntze, Rev. Gen. PI. 3^: 448. 1898. 



Apothecia stipitate, or substipitate, solitary, more often 

 gregarious, or sometimes crowded and showing a tendency to 

 become confluent, whitish, pale-yellow when dry, expanding and 

 becoming nearly plane in dried specimens, rather deeply concave, 

 even, or slightly irregular, less than 1 mm. in diameter; stem 

 slender, often nearly lacking; hymenium similar in color to the 

 outside of the apothecium, or yellowish; asci cylindric above and 

 slightly narrowed below, reaching a length of 42-55 /x and a 

 diameter of 5 n, 8-spored; spores allantoid, 1.2-1.8 X 7-9 n; 

 paraphyses simple, scarcely enlarged at their apices, about 2 fi 

 in diameter. 



On wood and bark, reported on quince and maple, Acer. 



Type locality: New York. 



Distribution: New York to Ontario and Oregon. 



Illustrations: Mycologia 34: 166,/. 5. 



55. Helotium ammoides (Sacc.) Seaver, comb. nov. 



P seudohelotium ammoides Sacc. Ann. Myc. 6: 564. 1908. 



Apothecia densely or loosely gregarious, superficial, subsessile, 

 minute, granuliform, whitish-honey-colored, waxy, at first cup- 



