812 SPH^RIACEI. 



7)0. 372, 373. Fr. S.M. ii. j^. 350. Fries, exs. no. 46. Eng. Fl. v. 

 p. 24:1. Ciirj\ Linn. Trans, xxii. ^. 40,/. 82. Stromatosj^hoeria 

 stigma, Grev. t. 223,/. 2. S. decorticans, Sow. t. 137. Stictos2')ha;ria 

 Ilnffmaiini, Tul. Carp. ii. p. 50, t. 6. Coo/je exs. no. 240. i^c^Z. 

 fa-s. 1043. Futypa leioplaca, Fckl. exs. no. 1047. 



On sticks. Common. [United States.] 



Many inches long, tlirowing off tbo cuticle, varying with the ostiola, sunk 

 in a little pit, and prominent. Ai first brownish, then black, generally 

 cracked transversely. Sporidia ('0004 in.) "Ul m.m. 



2435. Diatrype disciformis. Fr. " Discoid Diatrype." 



Orbicular, plane, eren, black, white within ; perithecia attenu- 

 ated into a slender neck; ostiola punctiform ; sporidia biseriate 

 or crowded, yellowish in amass, almost colourless when detached, 

 slightly curved.— /'r. S.V.S.p. 385. Tul. Carp, il p. 102. S. 

 disciformis, Hoffm. V.C. i. t. 4,/. 1. Movg. exs. no. 80. Fr. S.M. 

 i\.p. 353. Cooke exs. no. 389. Friesexs.no. 71. Eng. Fl. y. p. 

 241. Curr.Linn. Trans, xxii. t.4G,f. 64. Stromatospliceria disci- 

 formis, Grev. t. 314. Sph. depressa, Sow. ^.216. 



On dry branches of beech. Common. [Mid. Carolina.] 



About 2 lines broad, at first reddish, more constantly round than D. bullata, 

 flat or depressed, sometimes waved, not at all convex. Perithecia more 

 oblong. Ostiola prominent, or immersed. Sporidia (■0002-'0003 in.) '005- 

 •0075 m.m. 



2436. Diatrype bullata. Fr. " Bullate Diatrype." 



Erumpent, convexo-plane, oval, or reniform, black, white 

 within, papillated with the ostiola ; sporidia crowded, cylindrical, 

 obtuse, slightly curved. — Fr. S. V.S.p. 385. Tul. Carp. i\.p). 103. 

 Rahh.exs.no. 47. Sph. bullata, Hoffm. V.C. t. 2./ 1. Pers.Ic. 

 Pict. t. 3, f. 6, 7. Fr. S.M. ii.p. 349. Eng. Fl. v. p. 241. Fries, 

 exs. no. 342. Moug. exs. no.866. Sphoiria p)lacenta, Tode.f.^1. 

 S. depressa, Bolt. t. 122, /. 1. Bull. t. 4.32, f. 2 ? 



On willow branches. 



2-3 lines broad, gently convex, brownish, then black ; perithecia in a 

 single row, globose, often altered in form by mutual pressure, resting upon 

 the matrix. Ostiola projecting slightly, often stellate. When cut off hori- 

 zontally beneath the stroma a distinct black line is seen upon the wood. 

 Sporidia (•0002--0003 in.) •005.-0075 m.m. 



2437. Diatrype hystrix. Fr. " Hedge hog Spharia." 



Bursting forth transversely, depressed, oval, rather plane, 

 black, brownish within ; rostella distinct, somewhat incrassated 

 above ; sporidia sausage-shaped, minute. — Fr. Summ. V.S. p>. 



