060 



P. leporina, E. & E. Proc. Acad. Nat. Sci. Phil. July, 1890, p. 22. 



(Plate 39) 



Exsicc. Ell. & Evrht. N. A. F. 2d Ser. 2354. 



Stipitate. flesh-colored, small, stipe 1-2 mm. long, J mm. thick, 

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

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

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

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

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

 opake, 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. 

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

 in Rav. F. Car. I, No. 10, Grew 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 genus Enslinia. 



DALDINIA, Ces. & De Not. 



' Schema Sferiac. Ital. in Coram. 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. 1S0. 

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

 Valsa tuberosa, Scopoli, Flora Carniol, p. 399. 



Sphceria tunicata, Tode, Fungi Meckl. II, p. 59, tab. XVII, fig. 130. 

 Sphceria fraxinea, Withering, Arrang. Brit. Plants, IV, p. 393. 

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

 Hypoxylon concentricum , Grev. Scott. Crypt. Flora, VI, tab. 324. 

 Daldinia concentrica, 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- 

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

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





