224 The North American Cup-Fungi 



Discom. pi. 4, f. 16; Bull. Lab. Nat. Hist. State Univ. Iowa 6: 

 pi J6,f.2. 



Quite frequently found in midsummer. 



5. Peziza pustulata (Hedw.) Pers. Syn. Fung. 646. 1801. 



(Plate 29, fig. 1.) 



Octospora pustulata Hedw. Descr. 2: 19. 1787. 



ScodeUina pustulata S. F. Gray, Nat. Arrang. Brit. PI. 1: 668. 1821. 



Plicaria pustulata Fuckel, Symb. Myc. 327. 1869. 



Peziza assimilata Karst. Not. Fauna Fl. Fenn. 10: 113. 1869. 



?Peziza echinosperma Karst. Not. Fauna Fl. Fenn. 10: 115. 1869. 



Peziza Petersii Berk. Grevillea 3: 150. 1875. 



Aleuria pustulata Gill. Champ. Fr. Discom. 45. 1879. 



Peziza umhrina Boud.; Cooke, Mycographia 226 (in part). 1879. 



Aleuria umhrina Gill. Champ. Fr. Discom. 42. 1879. 



Galactinia pustulata Boud. Hist. Class. Discom. Eu. 48. 1907. 



Apothecia gregarious, scattered, or cespitose, at first closed 

 and globose, gradually expanding, reaching a diameter of 3-5 

 cm., regular, or much contorted, externally whitish and densely 

 pustulate, the pustules giving rise to bran-like particles as the 

 plant matures, becoming dingy with age, margin usually crenate; 

 hymenium pale- to dark-brown; asci cylindric above, reaching 

 a length of 275 /x and a diameter of 12-14 m; spores 1-seriate, 

 ellipsoid, becoming minutely sculptured, hyaline to faintly 

 yellowish, 8-10 X 15-17 yu; spore-sculpturing consisting of very 

 minute warts; paraphyses strongly enlarged above and reaching 

 a diameter of 7-8 /x at their apices. 



On charcoal and burned areas. 



Type locality: Europe. 



Distribution: New York to Wisconsin and Wyoming; also 

 in Europe. 



Illustrations: Boud. Ic. Myc. pi. 279; Cooke, Mycographia 

 pi. 64, f. 246, pi. 106, f. 378; Grevillea 2 : pi. 24, f. 2; Hedw. 

 Descr. 2: pi. 6, f. 1-4; Gill. Champ. Fr. Discom. pi. 47, f. 2; 

 Mycologia 7: pi. 156 (upper figure). 



The species is quite common in midsummer. 



6. Peziza Emileia Cooke, Mycographia 226. 1879. 



Aleuria Emileia Boud. Hist. Class. Discom. Eu. 46. 1907. 



Apothecia gregarious or scattered, sessile, large, at first cup- 

 shaped, becoming expanded and often irregularly repand, the 

 margin even or more or less lobed, regular in form or contorted, 

 externally white or whitish-farinose, reaching a diameter of 



