Sphaeriacese, Hyalodidymae, Diaporthe. 663 



ostiolis parum exertis ; ascis fusoideis 60 :i 8 ; sporidiis oblongo- 

 biconicis, 10-11^:3-3^2, medio constrictis, utrinque obtusiusculis, 

 4-guttatis, hyalinis. 



193. D. Tetrastaga Sarothamni (Auerswd.) Nits. Pyr. Gerra. p. 303, 2o45 

 Valsaria Sarothamni Auersw. in litt. — Stromate rarius late ef- 

 fuso ramulosque ambiente, ssepius contra brevi, macul8eformi, immo 

 brevissimo valsaeformi, quoad iramersum, ligni materiam pallidam 

 reddente, nigro-limitato ; corticis parenchymate, dein nigrescente 



ac crustulas eflformante induratas, aterrimas; peritheciis magnis, 

 e globoso plus minus depressis, cortici intimo, imrao basi ligno, 

 supposito infossis, ordioe mox subsequali, mox vario ordinatis, in 

 collum breve constrictis; ostiolis crassiusculis, abbreviatis, parum 

 V. vix exsertis ; ascis subcylindricis v. anguste oblongis, octosporis, 

 60-69 i; 7-8; sporidiis distichis v. rarius submonostichis, fusifor- 

 mibus utrinque acutis, rectis, bi-cellularibus, quadriguttatis, raedio 

 haud constrictis, subhyalinis, 14-15^^3-5. — Spermogonia phoma- 

 toidea: spermatiis 8-12 ii 2; basidiis 30:;1, hamatis. 



Hab. in ramis siccis Sarotharani scoparii in Germania, 

 Britannia, Gallia. — Sphceria tetragona Dubj et Sph. interrupta 

 Mont. huc forte spectant ex Nitschke. Verisimiliter huc quoque re- 

 ferenda Sph. operta Quel. Jura p. 507, nec Sph. (circinata) operta 

 Kunze M. Heft. I, 61 ; quse (sporidiis oblongo-acutis, fuscis) forte 

 Anthostoma. 



194. D. Tetrastaga inaequalis (Curr.) Nits. Pyr. Germ. p. 285, Sacc. 2546 

 Myc. Ven. p. 140, t. XIII, fig. 76-78, Sphceria incequalis Curr. 

 Linn. Trans. XXII, p. 270, fig. 79, Sph. Fuckelii Duby in Fuck. 

 Fungi rhen. n. 919, Melanconis Castri-Lahatii Speg. Dec. myc. 



n. 90. — Stromate efFuso, ambitu et raagnitudine raaxime vario, 

 raox raraos ramulosque longe ambieute, raox brevissimo ac peri- 

 theciis coalescentibus valseo simillimo; strato extimo nigricante v. 

 in ligni superficiem tantum v. etiam iu lignum ipsum descendente; 

 peridermio haud decolorato ; peritheciis majusculis, globosis v. sse- 

 pius depressis (basi applanatis), vel angulosis, nunc ordine fere 

 ?equali sparsis, nunc 2-15 densius aggregatis, iramo omnino, stro- 

 matis more valsei, coalitis, in cortice infirao nidulantibus, perider- 

 mio corticeque substrati vetustate delapso, denique taraquam li- 

 beris, lignoque nigrefacto insidentibus ; ostiolis crassiusculis, cylin- 

 dricis, basira versus conico-dilatatis, plus minus elongatis et exer- 

 tis, rectis v. inflexis, peritheciis coalitis fasciculatim erurapentibus ; 

 ascis cylindricis, in pedicellum breve basi attenuatis, octosporis. 



