Sphaeriaceae, Hj^alosporae, Gnomoniella. 419 



II. Mamiania: peritheciis sub pseudostromate phyllogeuo nigro hinc 

 inde congregatis; sporidiis ovoideis. 



23. Gnomonielia fimbrlata (Pers.) Sacc. Sph. fimhriaia Pers. Symb. ^ggg 

 p. 36. Gnomonia fimbriata (Pers.) Fuck. Sjmb. myc. pag. 120. 

 Mamiania fimbriata (Pers.) Ces. et De Not. — Tecta, peritheciis 

 confertis in tuberculura nigrum confluentibus, ostiolis erumpenti- 



bus spinulosis, basi fimbria albicante cinctis; ascis fusoideo-oblon- 

 gis, 45-50^:10-12, octosporis; sporidiis distichis, ellipsoideis, hic 

 obtusiusculis hinc acutiusculis, 2-guttulatis, hyalinis v. dilute chlo- 

 rinis, 10-11:= 5. St. conidicus refert Glceosporium Carpmz" Desm. 

 Hab. in foliis Carpini Betuli in tota fere Europa et Araer. 

 bor. — Tubercula in utraque folii pagina prominent, primo pla- 

 niuscula atra, deraum convexa, ob epidermidem cinerascenti-atra ; 

 perithecia in parenchymate folii nidulantia globosa; ostiola in pa- 

 gina inferiori tantura erumpunt distantia, teretia, laevia, sequalia 

 V. clavata, recta v. deflexo-flexuosa. 



24. Gnomonieiia Coryli (Batsch.) Sacc. Gnomonia Conjli Batsch. 1590 

 Auersw. Syn. Pyr. eur. p. 23, t. 8, f. 123. Sphceria Coryli Batsch. 



El. Fung. Cont. II. fig. 231. — Mamiania Coryli De Not. Sche- 

 ma p. 57. — Peritheciis hypophyllis, distinctis, in circulura dispo- 

 sitis, parenchymati innatis, epiderraide atrata et inflata utrinque 

 tectis, depresso-sphferoideis, subincoloratis, rostro crasso, cyliudra- 

 ceo, atro, perithecii altitudinera fer» aequante, discura minutum, 

 pallidum perforante prseditis, latit. 0,3 mill. : ascis clavatis, in pe- 

 dicellum brevem, tenuera acuminatis, 36-40 ^ 7, Ssporis ; sporidiis 

 distichis, obovoideis, simplicibus, subhyalinis, intus granulosis, 7 ^ 

 3. — Spermogonia {Leptothyrium Coryli Fuck.) scutiformia, in 

 macula exarida, obscuriori sparsa, demura applanata plicataque, 

 atrofusca, nitida, minutissima; spermatiis vermicularibus, curvatis, 

 linearibus, multiguttulatis, hyalinis, 18^:2. 



Hab. in pag. inf. foliorum Coryli Avellanae in tota fere 

 Europa et Amer. bor., pleruraque in raontosis. 



III. Ophiognomonia: sporidiis bacillari-flliformibus. 



25. Gnomonieila melanostyia (DC.) Sacc. Gnomonia melanostyla (DC.) 1591 

 Fuck. Symb. myc. p. 122. Sph. melanostyla DC. Fl. Fr. VI. p. 

 129. — Peritheciis subrotundis tectis e rufescente-nigris, ostiolo 

 gracili aequali nigro, 5-6-plo longiore; ascis elliptico-oblongis, deor- 

 sum attenuatis, stipitatisque, 60 ^ 5, aparaphysatis, tunica apice in- 



