136 The North American Cup-Fungi 



Distribution: Massachusetts. 

 Illustrations: Farlowia 1: 153,/. 6. 



36. Helotium populinum Fuckel, Symb. Myc. 316. 1869. 



?Peziza punctiformis Grev. Scot. Crypt. Fl. 2: 63. 1824. 



?Helotiiim punctatum Fries, Summa Veg. Scand. 356. 1849. 



Helotium Ilicis Phill. Brit. Discom. 164. 1887. 



? Helotium punctiforme Phill. Brit. Discom. 168. 1887. 



?Pseudohelotium punctiforme Sacc. Syll. Fung. 8: 295. 1889. 



?Pezizella punctiformis Rehm in Rab. Krypt.-Fl. P: 664. 1892. 



Pezizella populina Rehm in Rab. Kr>pt.-Fl. l^: 668. 1892. 



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



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



Calycella Ilicis Boud. Hist. Class. Discom. Eu. 95. 1907. 



Hyaloscypha punctiformis Boud. Hist. Class. Discom. Eu. 126. 1907. 



Micropodia populina Boud. Hist. Class. Discom. Eu. 128. 1907. 



Hymenoscypha punctiformis Schrot. Krypt.-Fl. Schles. 3''^: 71. 1893. 



Calycellina populina Migula in Thome's Krypt.-Fl. 10-: 1152. 1913. 



Calycellina punctiformis Hohn. Sitz. Akad. VVissen. Wien 127^: 601. 1918. 



Apothecia usually numerous, solitary, or more rarely in 

 groups of two or three, unevenly distributed over large portions 

 of the substratum, at first minute, globose, dirty yellowish- 

 white when fresh, narrowed toward the base, subsessile, opening 

 with a pore, becoming cup-shaped, more shallow as the cup 

 expands, reaching a diameter of 1 mm., contracting on drying; 

 hymenium creamy-white when fresh, plane, slightly concave, or 

 convex, drying to dull-yellow; asci clavate, reaching a length of 

 50-70 M and a diameter of 6-9 m, 8-spored; spores 2-seriate or 

 partially so, irregularly fusoid, slightly curved, or unequal- 

 sided, 2.7-3.4 X 10-13 m; paraphrases filiform, enlarged above. 



On dead leaves of various kinds. 



Type locality: Europe. 



Distribution: Massachusetts, New York and Pennsylvania. 



Illustrations: Farlowia 1: 168,/. 14. 



37. Helotium erraticum White, Farlowia 1: 606. 1944. 

 Apothecia scattered, or subgregarious, stipitate, when fresh 



white to creamy-yellow, reaching a diameter of 2.5 mm. and a 

 height of 1 mm., when dr\- becoming yellow or reddish-yellow, 

 cartilaginous; hymenium when fresh white or nearly so, plane, 

 on drying becoming bright-yellow to reddish; stem stout, whitish 

 to translucent-yellow; asci clavate, reaching a length of 90-120 n 



