552 Spliferiaceoe. Hyalodidym», Didymella. 



Hab. ad folia viva v, arida Dryadis octopetala' iii Monte 

 Borga, Ciraolais, Italia? borealis. 



27. Didymella strobiligena (Desm) Sacc. Sph(C7'ia (subtecla) sirobi 2152 

 ligcna Desm. 13 Nol. 184(3, p. 75. — Erumpens. atra, epidermide, 

 lacerata ciucta; peiitheciis gregariis, subcontiueiitibus, minutis, ru- 

 gulosis, rotundatis, ovatis vel subdiflForraibu.s, nucleo albo farctis, 

 rima subdehiscentibus; ascis clavatis; sporidiis hyaliois, pyrifor- 

 mibus, uniseptatis. 



Hab. ad conos dejectos Pini Laricionis in Gallia. — Sec. 

 Crouan Finist. pag. 28: asci 24-.spori et tunc an forte novi ge- 

 neris typus? 



II. Herbicoloe. 



28. Didymeiia Vincetoxici (De Not.) Sacc. Amphisphceria Vincetoxici 2153 

 De Not. Sf. ital. p. 72, t. 76. — Peritheciis sparsis, cortice deceden- 



te oranino nudis, superficialibus, cubilibus laeviter haerentibus, glo- 

 boso-depressis, atro-piceis, sub lente rugulosis, vertice ostiolo bre- 

 vi, cvlindraceo, osculo lato hiante instructis, cellulis rotundatis fu- 

 scis, stratosis aegre conspicuis contextis, in sicco collabascentibus, 

 at simul fragilibus; nucleo pallido; ascis teretibus, copiosis, 8-spo- 

 ris. 130 r 12, junioribus plasmate lutescente farctis; paraphysibus 

 coalescentibus; sporidiis oblongis 2-locularibus vix medio constri- 

 ctis, hyalino-perlaceis, 20 s 6,5. 



Hab. in caulibus exsiccatis Cy nanchi Vincetoxici, Colle 

 di Tenda Italiio borealis. 



29. Didymella efftjsa (Niessl) Sacc, Didymosphceria effusa Niessl 2154 

 Neue Kernp. p. 130. — Peritheciis disseminatis in mycelio niger- 

 rlmo subcorticoli effuso nidulantibus; peridermio griseo tectis, rae- 



ilia magnitudine, heinispha^ricis vel subglobosis, basi depi'essis, atris, 

 carbonaceo-coriaceis, duriusculis, numquam collabascentibus, ostiolo 

 brevi, conico; ascis cylindraceo-clavatis, stipite brevi, Ssporis 62- 

 78:; 10-12; sporidiis distichis, demum s;vpe monostichis, ovoideo- 

 oblongis, plerumque inaiquilateralibus, didymis, medio constrictis, 

 liyalinis, 14-20;; 6-7; paraphysibus gracilibus exiguis. 



Hab. in caulibus emortuis Sambuci Ebuli et Cucurbita' 

 Peponis in Moravia et Italia boreali. 



30. Didymella nemoralis Sacc. Mich. p. 376. — Peritheciis in macu- 215D 

 lis folioriim dccoloratis , ochraceo-marginatis . epipliyllis, jiaucis, 

 globoso-lenticulariljiis innato-erumpentibus, 90-100 y.. diain per- 

 tusis; ascis cylindraceo-clavatis, apice rotundatis, 50 =; 8, paraphy- 



