Pyrenomycetese, Sphasriacese, Hyalodidymse, Diaporthe. 721 



80. D. Tetrastaga digitifera Mout. Not. Ascora. p. 3. — Stromate 2950 

 sub epidenuide non mutata ambiente, corticis superficieiu nigrifi- 

 cante et in ligno linea nigra limitato; peritlieciis cortice immer- 



sis, subglobosis, y^ mm. diam., collis subtriplo longioribus, erum- 

 pentibus a basi leviter attenuatis, curvulis; ascis clavatis, 8-spo- 

 ris, apice truncatis, 110 ^ 15; sporidiis tereti-oUlongis, medio septa- 

 tis et vix constrictis, minute guttulatis, 25-35 c; 8,5. 



Hab. in ramis Sarothamni scoparii prope Liege Belgii 

 (Mouton). — Var. iignicola: peritiieciis ligno superficie atrato le- 

 viter immersis, ostiolis raodo crassiuscuiis, rugulosis, modo elou- 

 gatis decumbentibus. In ramis decorticatis Sarothamni scopa- 

 rii, Poix Galliae (M. Rousseau). 



81. D. Tetrastaga lyiori Berl. F. moric. f. V, n. 9, t. 25, f. 1-6. - 2951 

 Stromate late effuso, epiderraidem leviter nigrificante in cortice v. 



in ligno nigro-limitato ; peritheciis solitariis vel 3-4 coacervatis, 

 cortice immersis globoso-conoideis, minutis 180-200 a. diara., sub- 

 inde subtus cupulatis, ostiolo brevissimo obtuso; ascis clavatis, bre- 

 vissime stipitatis, apice 1-2 foveolatis, 36-40 ^; 7, octosporis; spo- 

 ridiis irregulariter disticbis, obloogis. utrinque rotundatis, muticis, 

 4-5-guttulatis, primo contiuuis, medio constrictis, demura 1-septa- 

 tis, 10 ;:; 3, hyalinis. 



Hab. in ramulis corticatis emortuis Mori albae, Padova in Ita- 

 lia boreali. 



82. 0. Tetrastaga delitescens Bomm. Rouss. Sacc. sp. nov. — Pe- 2952 



ritheciis corticolis, peridermio tectis. globulosis, nunc 5-15 subcir- 

 cinantibus stroraateque albo-furfuraceo linea nigra cincto exceptis, 

 nunc inaequaliter sparsis et stroraate subnullo; ostiolis convergen- 

 tibus; ascis clavatis, 45-57^9-10, p. sporif., octosporis, subsessi- 

 libus, aparaphysatis; sporidiis distichis, ellipsoideis mucronulatis, 

 1-septatis, constrictis, 12-15=; 4-5. 



Hab. in ramis Liriodeudri Tulipiferae, Tervueren Belgii. 

 — Extus vix visibilis. Ad Choroslaten nutat. 



83. D. Tetrastaga prominula Borara. Rouss. Sacc. Mycol. Belg. II, 2953 

 p. 11. — Peritheciis globulosis, cortice non atrato immersis, spar- 



sis vel 2-8 aggregatis, pustulas minutas corticem vix perforantes 

 formantibus; ostiolo tereti-conoideo, non exserto ; ascis tereti-cla- 

 vatis, 57-70 s 12-15, octosporis; sporidiis distichis, tereti-fusoideis, 

 obtusis, rectis curvulisve, 1-septatis, constrictis, utrinque ciliatis, 

 17-18 s 5-6, 4-guttulatis, hyalinis. 



/fa^. in raraulis junioribus Myrica) Gales, Westmallo Belgii. 



46 



