228 The North American Cup-Fungi 



On old burnt places which have been overrun with mosses. 



Type locality: France. 



Distribution: New York and Texas; also in Europe. 



Illustrations: Bull. Soc. Myc. Fr. 15: pi. 3, f. 1; Boud. 

 Ic. Myc. pi. 293; Mycologia 9: pi. 1 (upper figure). 



In habitat and spore characters this species resembles Peziza 

 violacea but differs much in color. 



12. Peziza concentrica Seaver, sp. nov. 



Apothecia subglobose, becoming more or less widely ex- 

 panded, externally pale-brownish, reaching a diameter of 2-4 

 cm., both externally and internally marked with concentric 

 rings consisting of depressions and elevations which somewhat 

 resemble ripple-marks; hymenium concave or nearly plane, 

 showing the same concentric markings found on the exterior of 

 the apothecium, similar in color to the outside of the apothecium 

 or a little darker, often slightly olivaceous; asci cylindric above, 

 tapering below rather abruptly into a stem-like base with an 

 enlargement at the extreme base, reaching a length of 300 jx and 

 a diameter of 16 /x; spores 1-seriate, ellipsoid, hyaline or sub- 

 hyaline, remaining smooth, 10 X 18-20 /x; paraphyses reaching 

 a diameter of 2 /x below and a diameter of 4 ju at their apices, 

 yellowish-olive. 



On the ground. 



Type locality: Humboldt County, California. 



Distribution: California. 



This species is based on material submitted to the writer 

 by the late C. G. Lloyd. The specimens were collected by Mrs. 

 H. E.' Wilder, January 22, 1914, in the locality indicated above. 



13. Peziza abietina Pers. Syn. Fung. 637. 1801. 



Otidea abietina Fuckel, Symb. Myc. 320. 1869. 

 Aleuria abietina Gill. Champ. Fr. Discom. 41. 1879. 

 Discina abietina Rehm in Rab. Krypt.-Fl. 1''': 977. 1896. 

 Heteroplegma crenatum Clements, Bull. Torrey Club 30: 92. 1903. 

 Peziza crenata Sacc. & D. Sacc. in Sacc. Syll. Fung. 18: 19. 1906. 

 Psendotis abietina Boud. Hist. Class. Discom. Eu. 52. 1907. 

 PJicaria rubrofiisca Rehm, Ann. Myc. 3: 517. 1905. 

 Peziza rubrofusca Sacc. & Trott. in Sacc. Syll. Fung. 22: 619. 1913. 



Apothecia gregarious or cespitose, stipitate or substipitate, 

 cup-shaped, regular in form or becoming irregular with age, the 

 margin entire or crenate, externally pale- to dark-brownish, 



