76 The North American Cup-Fungi 



of 10-13 fjL, hyaline, often containing one or several oil-drops; 

 paraphyses slender, slightly enlarged above, straight, slightly 

 curved or more rarely hooked. 



On bare soil among mosses, especially Polytrichum. 



Type locality: Europe. 



Distribution : Minnesota and (Washington?) ; also in Europe. 



Illustration: Pat. Tab. Fung./. 277. 



Doubtful and Excluded Species 



Peziza glohifera Berk. & Curt.; Berk. Jour. Linn. Soc. 10: 366. 1868. 

 A Cuban species with pale-yellow apothecia and smooth spores, the spores 

 reaching a diameter of 12-14 /x- A microscopic examination of the spores of 

 this species has been made, but our knowledge is too meager to permit of a 

 more complete description. 



Barlaea fuliginea (Schum.) Sacc. Syll. Fung. 8: 117. 1889. Peziza 

 fuUginea Schum. Enum. PI. Saell. 2: 427. 1803. This species is re- 

 ported from North America by Saccardo. No specimen of the species has 

 been seen and the identity of the species is uncertain. 



6. PITHYA Fuckel, Symb. Myc. 317. 1869. 



Plants saprophytic or semiparasitic on the foliage and bark 

 of coniferous trees; apothecia bright-colored, whitish externally, 

 stipitate or sessile, the substance rather tough, not shrinking 

 much in drying; hymenium bright-orange or yellow, even or 

 lacunose, plane, concave or convex; asci 8-spored; spores per- 

 fectly globose, smooth, hyaline; paraphyses filiform or slightly 

 enlarged above. 



Type species, Peziza pithya Pers. 



Plants occurring on the bark or foliage of Abies. 



Hymenium smooth. 1. P- pithya. 



Hymenium lacunose. 2. P. lacunosa. 



On foliage of Junipenis, Cupressus, etc. 3. P. Cupressi. 



1. Pithya pithya (Pers.) Gill. Champ. Fr. Discom. 225 (as syno- 

 nym). 1887. (Plate 4, fig. 3.) 



Peziza pithya Pers. Ic. Descr. 43. 1800. 

 Pithya vulgaris Fuckel, Symb. Myc. 317. 1869. 

 Peziza Leineri Gonnerm. & Rab. Myc. Eu. 1: 9. 1869. 

 Helotium pithyum Gill. Champ. Fr. Discom. 155. 1883. 

 Humaria pityina Quel. Ench. Fung. 289. 1886. 

 Peziza pithyna Pat. Tab. Fung. 7: 73. 1889. 



Apothecia gregarious, sessile or short-stipitate, at first sub- 

 globose, expanding and becoming subdiscoid, regular in form 



