629 



from compression, about 1 mm. long by J mm. wide, covered above 

 with a thin, stromatic layer which is pierced by the punctiform ostiola 

 as in Nummularia punctulata, B. <t Rav. Asci 100-110x6-7 a. 

 (p. sp. 70-75 IJL long). Sporidia obliquely uniseriate, navicular-oblong 

 or inequilaterally elliptical, rather pale brown, 2-nucleate, 10-14 x 

 45 IJL. Substance of the stroma compact, light slate-color with a tinge 

 of umber and a silkv luster when fractured. 



/ 



On rotten wood. Louisiana (Langlois). 



** Perithecia stratose. 



H. ovliuim, Berk. Grev.-XI, p. 129. 



Hemispherical or confluent-elongated, dark purple, hard, smooth, 

 subshining, dark within. Perithecia stratose, black, subglobose. Osti- 

 ola obsolete. Asci cylindrical. Sporidia elliptical, dark, 16-18 x7 //. 



On wood, Orizaba, Mexico. 



H. Petersii, B. & C. Journ. Linn. Soc. X, p. 384. 



Stroma pulvinate, depressed-obconical, centrally attached with a 

 -preading margin, 3-4 x 2|-3 cm. across, covered at first by a thick. 

 coriaceo-membranaceous veil which soon disappears except around the 

 maru'in: substance corky-fibrous, hard, dull, umber-color, becoming 



V 



darker outside. Perithecia crowded in several layers, subglobose or 

 subelongated, i-j mm., with slender necks ending in distinctly promi- 

 nent, papilliform ostiola. Sporidia uniseriate or subbiseriate al>ove. 

 narrowly-elliptical, brown. 6-8x3^-4^. Asci cylindrical, p. sp. 



about 40 x 5 u or. including the slender base, 60 // long. 



On rotten oak, Alabama (Peters), on dead wood, Cuba (Wright). 

 on oak logs, Ohio and Kentucky (Morgan). 



The foregoing description is from Morgan's Ohio specimens, 

 which have been compared with specimens in Herb. Berk. In the 

 original description, in Linn. Journ.. no mention is made of the thick, 

 membranaceous veil, which is a striking and unusual character. 



B. Stroma superficial, globose or subglobose. (Sphc&roxylon.} 

 * Externally colored, not black. 



H. coccineuni, Bull. Champ, p. 174. tab. 345, fig. 2. 



Lvcoperdon variolosum, Liu. Syst. Xat. Ed. XII, torn. Ill, Append. Veg. p. 204. 

 Valsa fragiformis. Scop, Carniol. II, p. 399. 

 Sph&ria lycoperdoides, Weigel Obs. Bot. p. 47. 

 Sph&ria rudra, Willd. Flora Berol. p. 415. 

 Sphtzria radians, Tode Fungi Meckl. II, p. 29. 

 Sphczria tuber culosa, Sow. Eng. Fungi, III, tab. 374, fig. 8. 

 Sph<zria fragiformis, Pers. in Usteri. N. Ann. Bot. fasc. V, p. 21. 

 SphcEria bicolor, DC. Flor. Franc, II, p. 286. 

 Sph<zria laieritia, DC. 1. c. VI, p. 137. 



Stromatosphezria fragiformis^ Grev. Scott, Cr}-pt. Flora, III, tab. 136. 

 Exsicc. Fckl. F. Rh. 1056. Rab. Herb. Mycol. 145, 146. Rab. F. E- 950. Thum. F 

 Austr. 258. Ell. X, A. F. 1178. Cke. F, Brit. Ser. II, 466, 



