Pyrenomycetse, Valsaceae, Myrmfecinm. 389 



STIGMATOPSIS Trav , Fl. ital. cryptog. II, fasc. I (1906) pag. 213 

 (Etym. a stigma et opais facies, quia Diatrijpem Stigma habitii 

 omnino imitatur). — Stroma genuinum, effusum, erumpenti-super- 

 ficiale, ligneo-earbonaceum, fragile, extus intusquo nigricans. Pe- 

 rithecia monosticha, stromate immersa, globoso-ovoidea v. angu- 

 lata, atra; asci clavato-oblongi, pedicellati, paraphysati, octospori ; 

 sporidia ellipsoideo-oblonga, 1-septata, hyalina v. dilute fuscidula, 

 guttulata. — Est Diatrype sporidiis hyalo-didymis. 



1. Stlgmatopsis Baccarinii Trav., I. c. p. 214, fig. 39. — Stromate 46B5 

 effuso, longe expanso, subcarbonaceo, nigricante, ostiolis promi- 

 nulis punctulato; peritheciis immersis monostichis, stipatis, glo- 

 boso-ovoideis, '/3-'/, mm. diam., mutua pressione s;rpe angulatis, 

 in collum brevissimum productis, nigris; ostiolis prominulis poro 

 circulari v. eroso pertusis; ascis clavato-fusoideis, longiuscule pe- 

 dicellatis, 76-100 «i^ 8-11 (p, sp. 56-70 [j.. longa) paraphysibus fili- 

 formibus paucis obvallatis; sporidiis irregulariter distichis, initio 

 suballantoideis, dein ellipsoideo-oblongis, rectis v. curvulis, 1-se- 

 ptatis, ad septum parum constrictis, quadriguttulatis, in asco lu- 

 teo-fuscidulis, extus subhyalinis, 15-20 « 5-6. 



Hdb. in ramis corticatis Fagi, Yallombrosa Etrurise, Italia 

 centr. (Baccarini). 



MYRIVI/ECIUM (Nits.) Sacc. — Syll. I p. 600, XIV p. 492, XVII 

 p. 676. 



1. Myrmaeclum Hohnelianum (Rick) Sacc. et Trav. — Syll. XX p. 1275 4656 

 Myrmceciella Hohneliana Rick in Theissen Annal. Mycol. (1910) 

 p. 456 c. fig. — Subepidermicum, erumpens; stromate flavo-rubello, 

 cctate atro-sanguineo, suberoso, e cellulis polygonalibus membra- 

 nis crassis formato; peritheciis stipatis, ellipsoideis vel subglobo- 

 sis, raro solitariis, plerumque in pulvinulos globosos c. 1,2-1,6 v^ 

 0,8-1 mm. aggregatis, partim stromate communi immersis, partim 

 subliberis, vertice nudo vitreo-sanguineo, c. 420-600 ^ 24')-340, 

 poro minuto, orbiculari, interdum e latere compresso lophiostoma- 

 taceo pertusis; ascis sessilibus vel brevissime nodulose stipitatis, 

 elongatis, 118-136 * 20-25 v. brevioribus subventricosis, 96 >^ 28-30, 

 octosporis; sporidiis distichis, hyalinis, oblongis, leniter convexo- 

 concavis, medio septatis, raro subcoustrictis, irregulariter guttula- 

 tis, 36-44*11-13; paraphysibus nullis. 



Hah. in ramis Rubi sp. in Brasilia, — Species quoad sedem 

 systematicam dubia. 



