SphaeriacefB, Ilyalodidymfe. Goomoiiia. 561 



69. Didymella lophospora Sacc. et Speg. Mich. I, 376, F. it. t. 367. 2i94 

 — Peritheciis dense gregariis, epiphyllis, cuticula velatis, promi- 

 nulis, globulosis, vix papiliatis, Vg niill- diara., contex.tu parenchy- 

 matico solidiusculo, fuligineo; ascis crasse clavatis, 65-75^^12, p. 

 sporif. 50i:;12, deorsum tenuiter stipitatis, paraphysibus filiformi- 



bus copiosis obvallatis, octosporis; sporidiis distichis, cjlindraceo- 

 fusoideis, 16-17-5-6, rectis curvulisve, raedio distincte constri- 

 ctis, 1-septatis, utrinque obtusatis atque appendicula obtusa latiu- 

 scula subpenicillata auctis, 4-guttulatis, hyalinis. 



Hab, in pagina superiore frondis emortua? Pteridis aqui- 

 linse prope Conegliano, Ital. bor. — Var. Acetoselke Ellis et Sacc. 

 in Mich. II, p. 374. Ascis 80-90^:8-10; sporidiis distichis, biconicis, 

 utrinque appendiculatis, constricto-1-septatis, 4-guttulatis, 10-12 

 ii 4 (sine append.) hyalinis. In caule Rumicis putrescente New- 

 field New Jersey Americaj borealis. 



70. Didymella pteridlcola (B. et C.) Sacc Spkceria pteridicola B. et 2195 

 C. North Amer. Fungi n. 926. — Linearis, subcuticularis ; ascis 

 clavatis; sporidiis oblongis, curvulis, uniseptatis utrinque obtusis, 



15 u. long. 



Hah. in stipitibus Pteridis in America borealis. — Series pa- 

 rallelas griseolas cuticula velatas format. — Didijmelloe. Hypheni 

 paraffinis nisi eadem. 



GNOMONIA Ces et De Not. Schema Sfer. pag. 57 ex parte (Etym. a 

 gnomone, ob formam ostioli). — Perithecia tecta v. erumpentia, 

 submembranacea, glabra, saepius discreta, ostiolo plus minusve elon- 

 gato, cylindraceo centrali v. laterali. Asci aparaphysati, rarius pa- 

 raphysati, 4-8-spori, tunica apice sa^pe perforata. Sporidia elli- 

 psoidea v. oblonga v. tereti-fusoidea, uniseptata, hyalina. — Fun- 

 gi minuti, foliicolae, rarius caulicolse. A Gnomoniella differt spo- 

 ridiis didymis, sed hujus generis qusedam species, ubi prorsus ma- 

 tura? observatce sint, forte Gnomonicv veras manifestabuntur. 



1. Eugnomonia: sporidiis ovoideis v. oblongis, 1-septatis. 



1. Gnomonia Epilobil (Fuck.) Auersw. in Mycol. Eur. Pyr. p. 26, t. 2196 

 10, fig. 14, Sacc. F. it. t. 436, Sp/ucria Epilobii Fuck. Symb. 

 mycol. p. 113. — Peritheciis sparsis v. subseriatis, initio tectis, 

 spha^roideis, grandiusculis, V^^-Va "^^^^- diam., dein subliberis, um- 

 bilicato-collapsis; ostiolo obtuse papillato, perithecium dimidium 



36 



