660 



P. Iqiorhia, E. & E. Pi-oc. Acad. Nat. Sci. Phil. July, 1890, p. 229. 



(Plate 39) 



Kxsicc. Ell. & Evrht. N. A. F. 2<\ Ser. 2354. 



Stipitato. flesh-colored, small, stipe 1-2 mm. long, | mm. thick, 

 expanding above into a discoid stroma 1-2 mm. diam. and mainmillose 

 from the slightly prominent perithecia which are ovate-globose, about 

 i mm. diam., 6-20 in a stroma. Ostiola large, black, convex, Asci 

 clavate-cylindrical, 80-100 (p. sp. 75-80) x 10-12 p, with obscure par- 

 aphyses. Sporidia at first greenish-hyaline, 1-2-niicleate, becoming 

 npake, subinequilaterally elliptical, mostly uniseriate, 12-15x6-7 p. 



On rabbit-dung, Missouri (Demetrio). 



Distinguished from P. CEdipus by its smaller size. 



The three following species are placed under Poronia by 

 Schweinitz in Syn. N. Am. p. 189. 



Sphceria pocula, Schw. Syn. N. Am. 1167 (Enslinia pocula, Fr. 

 Sumina, p. 399). This is a Polyporus (P. cupulceformis, B. & Rav. 

 in Rav. F. Car. I, No. 10, Grev. I, p. 38; P. pocula, Cke. in Grev. 

 XII, p. 85). 



Sphceria Candida, Schw. Syn. N. Am. 1165, and Sphceria inter- 

 media, Schw. 1. c. 1166. We know nothing of these. Fries places 

 them in his ;enus Enslinia. 



DALDINIA, Ces. & De Not. 



Schema Sferiac. Ital. in Comm. Critt. I, p. 197. 



Stroma superficial, subglobose, external layer carbonaceous, be- 

 coming black, fibrous within and concentrically zoned. Asci cylin- 

 drical, 8-spored, pedicellate. Sporidia ovoid or oblong, dark-colored. 

 Perithecia immersed in the stroma. 



D. concentrica, (Bolt.) (Plate 38) 



Sphceria concentrica, Bolt. Fungi Hal. tab. 180. 

 Lycopcrdon atrum, Schseff. Fungi Bavar. TV, p. 131, tab. 329. 

 Valsa luberosa, Scopoli, Flora Caruiol, p. 399. 



Sph(Zria tunicata, Tode, Fungi Meckl. II, p. 59, tab. XVII, fig. 130, 

 Sph<zriafraxinea, Withering, Arrang, Brit. Plants, IV, p. 393. 

 Stromatosphcsria concentrica, Grev. Flora Edinb. p. 355. 

 Hypoxylon concent riciim, Grev. Scott. Crypt. Flora, VI, tab. 324. 

 Daldinia concenlrtca, Ces. & De Not. Schema Sferiac. p. 24. 



Exsicc. Rab. Herb. Mycol. 600. Thum. F. Austr. 1154. Thum. M. U. 69. Cke. F. Brit 

 Ser. I, 669, id. Ser. II, 216. Plowr. Sph. Brit. 17. Allesch & Schnabl, F. Bav. 76, 



Stroma subspherical or hemispherical, rarely obovoid, subferru- 

 iiinous and softer at first, at length black and carbonaceous, 2-4 cm, 

 diam., softer inside, of a radiate-fibrous structure and concentrically 



