24 



Scct. 2. Ph&osporw Sacc. 



93. Hypoxylon (Euhypoxylon) luridum Nke., Sacc. 

 F. V. ser. IV. 22 - f. minus: acervulis constanter 

 roinoribus; a. p. s. 70-80 * 7; sporidiis octonis obli- 

 (jiio monostichis ovoideis inaequilateralibus, 9-11 «5 

 -G, 2-guttulatis, fuligineis, (juandoquo (an ex ascis 

 secedentibus?) muco hyalino parce involutis. 



Hab. iu ramis corticatis Populi nigra3 a Vit- 

 torio, Oct. 1875. 



94. Hypoxylon (Epixylon) Bagnisii Sacc. sp. nov. 



Accrvulis subglobosis, superticialibus, basi coarctatis, 

 superne complanato-convexis, minutis, &L-&L mill. 

 diam., atrorutis, intus nigrescentibus, stromate parco, 

 ideoque a peritheciis fere omnino constantibus ; peri- 

 tlieciis in quofjue acervulo paucis (7-10), majusculis, 

 diam. 7 - 3 / 4 mill., verticalitcr ovoideis, vertice con- 

 oideis papillatisque; ascis cylindricis fasciculatis, 90 

 * 4 1 /,, p. s. 70 lga, stipitatis, paraphysatis, Ssporis; 

 sporidiis monostichis, oblongo-coffeiformibus, 9-10*4, 

 2-guttatis, fuligineis. 



llab. m ramis corticatis fagineis a S. Onofrio 

 prope Romam, socia Quatemaria Persoonii Tul. (C. 

 Bagnis). 



Ohs. Ab. II. Botry Nke peritheciis papillatis, ab 

 II colaerente (Pers.) Fr., accrvulis minoribus, atro- 

 rufis, basi coarctatis, sporidiis minoribus etc. differt. 



95. Thamnomyces hippotrichoides (Web.) Eherenb. 

 - Cooke Ilndb. p. 792 - Sacc. F. V. ser. V. 184. 



Obs. In ligno putri abietino a Selva legi speci- 

 m ina perfccte fertilia. Stromata filiformia, tortuosa, 

 plerumque indivisa, nitida, aterrima, summo apice 

 [conidiophoro?) pallida, 0-8 cent. lga, medium versus 

 peritheciophora. Perithecia prominentia, globosa, pa- 

 pillata, carbonacea. Asci cylindrici longiuscule stipi- 

 tati, apice rotundati, 80-100*6, p, s. 70 Iga, pa- 

 caphysibus vcris nullis, octospori. Sporidia oblique mo- 

 no ticha, oblongo-fusoidea, insequilateralia, 12-15*5, 



