SPH^RIACEl. . 811 



2432. Diatrype verrucaeformis. Fr. " Warty Diatrype." 



Angular, convex, rugose, black, nearly of tlie same colour 

 within, circumscribed below ; jDcrithecia ovate, with a short neck; 

 asci fusiform ; sporidia numerous, crowded, yellowish in the 

 mass, curved, rounded at the ends, usually nucleate. — Fr. S.V.S. 

 p. 386. Curr. Linn. J'ra/is. xxii. i. 46,/. 81. Sph. verruccEformis. 

 Fr.S.M. ii. p. 355. Fries, exs. no. 74. Moug. exs. no. 867. Eng. 

 Fl.Y. p. 24:2. Microstoma verrucceformis^ Fckl. exs. no. 1036. S. 

 parallela, Sow. t. 394,/. 4. Microstoma vulgare, Rahh, exs. no. 253. 

 Diatrypella verruccEformis^ FcJcl. Sym. Myc.p. 232. 



On branches of hazel, beech, &c. Common. 



[United States.] 



Bursting througli the bark by the lacinise of which it is surrounded, 1-1^ 

 line broad, black, brownish within, the orifices of the perithecia more or 

 less distinct. — M.J.B. 



Sporidia (•00U4 in.) "01 m.m. long. 



2433. Diatrype angulata. Fr. " Angular Diatrype." 



Loosely circumscribed; stroma cortical; perithecia few, crowded 

 in the centre ; disc plane, black; ostiola exceedingly small; 

 asci narrowly clavate, sti2'jitate,polysporou8 ; sporidia, cylindrical, 

 unicellular, curved, small, pale. — Valsa angulata, Fr. S.V.S. p. 

 411. B. 4' Br. Ann. K.H.no.d>4:8.'^ S. angulata, Fr. S.M.ii.p. 

 390. Fries, exs. no. 12. Eng. Fl. Y.p. 248. Diatrypella angulata. 

 De Not. Schema, p. 28. Rabh. F.E. no. 1022. FcJd. exs. no. 2058. 



On branches of beech, laburnum, birch, and lime. 



In the early stage the stroma is white. Desmazieres finds in Fries, eis. no. 

 72, sausage-shaped sporidia. — B. Sf Br. 



Sect. 2. Diatrype genuina — octosporous. 

 A. Sporidia sausage-shaped. 



2434. Diatrype stigma. Fr. *' Effused Diatrype." 



Spermogonia. — Spermatia cylindrical, obtuse, slightly curved, 

 oozing forth in reddish or orange tendrils. — Myxosporium croceum^ 

 Link. Sp. PI. Nemaspora microspora. Desm. Ann. So. Nat.'^iK. 

 (1830), p. 271. Tul. Ann. Sc. Nat. v. ("1856/ p. 117. 



AscoPHORE. — Effused, often nearly surrounding the branch, 

 flat, even, at length black ; ostiola nearly plane, sub-immersed; 

 sporidia yellowish in the mass, almost colourless when single, 

 slightly curved. — Sj^h. stigma, Hoffm. V.C. i.t. 2,/. 2. Moug. exs. 



2m 2 



