52 Perisporiaceaj, Perisporieae, Dimerosporium. 



oblongis diflymis constrictis 16^:8, fiiscis; ascis ovatis sessilibus, 

 8-sporis, 30-36 :i 20; sporidiis clavato-oblongis, bilocularibus, lo- 

 culo sup. majori, 12 ^; 6, hyalinis dein fuscidulis. 



Hah. m utraque pagina foliorum Veronica; officinalis in 

 Gerraania, Helvetia, Anglia, Belgio. 



2. Dimerosporium pulchrum Sacc. in Thinn. Mycotli. Univ. n. 52 (sub 233' 

 Apiosporio) et Fungi Ven. novi ser. II, p. 299, F, it. tab. 127. — 

 Hvphis repentibus dense intricato-ramosis, remote septatis, fuligi- 

 neis, pelHculas aterrimas amphigenas facile secedentes sa^pe totum 

 folium occupantes efformantibus ; conidiis in vel sub ranuUorum 

 apice quandoque obtusato vel subclavato oriundis, dimorphis, aliis 

 sarcinuliformibus 4-12-cellularibus, 20-25 y.. diam., atris,dein pror- 

 sus opacis, aliis cylindraceo-fusoideis, leniter falcatis, 39 ^ 9, 3- 

 soptatis, ad septa non constrictis, liyalinis; peritheciis raris ex hy- 

 phis oriundis, subglobosis, fuligineis, 90-100 y.. diam. ; ascis elli- 

 psoideis, 46-30, Ssporis; sporidiis polystichis oblongo-ovoideis, 

 22i;ll, constricto-1-septatis, hyalino-nebulosis. 



Hab. iii foliis Ligustri vulgaris languentibus copiose et 

 Corni sanguinefe, Carpini Betuli et Lonicerae Xylo- 

 stei longe rarius in sylva MonieUo, Trevzso (Italia). — Status 

 conid. sistit Sarcinellam heterosporam Sacc. {Coniolhecium Que- 

 stieri Desm.?). 



3. Dimerosporium oreophilum Speg. in Roum. Rev. Mycol. II. 32. 

 Mich. II. IGO. — Peritheciis gregariis v. hinc inde sparsis, supar- 

 ficialibus, minutissimis, 110-120 y.. diam., globosis, undique hyphis 

 exiguis fuligineis, perithecii diametrum vix sequantibus, ostiolo vix 

 perspicuo, atris; contextu teaui membranaceo-parenchymatico , 

 atro-fnhgineo; ascis cylindraceo-clavatis, antice obtuse rotundatis, 

 postice in stipitem brevissiraum et nodosum desinentibus, 60-65 w 

 20, paraphysibus filiformibus paulo longioribus obvallatis, octospo- 

 ris; sporidiis ovoideis, medio constricto-l-septatis, 15-16 =; 7-S, lo- 

 culo superiore majore, hyalinis. 



Jlab. nd ramulos vivos Rhododendri ferruginei in alpi- 

 nis .1/. M'irmola(Ir alt. 2800'". radore (Italia), Oct. 1879. Spegazzini. 



4. Dimerosporium maculosum (Speg.) Sacc. Mich. II. 159. Apiospo- 

 riiun raaculosum Dec. Mycol. n. 85. — Peritheciis in pulvinulis 

 conidiophoris [Cladotrichum maculosnm Speg.) sparsis, parvulis, 

 CO-70 ■/. diam., globosis, astomis, hyphuhs fuligineis exiguis, cras- 

 sitie sat variis instructis, contextu membranaceo-parenchyinatico, 

 fuligineo; ascis cyliudraceo-clavatis, 30-35=^8, octosporis; sporidiis 



