Pyrenoinycetse, Spbferiaceae, Hyalodidymje. Diaportfce. 543 



MELANCONIS Tiil. -^ Syll. I, p. 602, IX, p. 700. 



1. Melanconis? betulina Otth, Bern. Mittheil. 1868, p. 43. — Stro- 2070 

 matH cortici adriato, puivinato, transversim elongato, ambifcu rotun- 

 dato-sublibero, fusco-brmineo intus pallidiore, grumoso-indurato ; 

 disco lanceolafco v. elliptico, erumpente; peritheciis deraersis, ap- 

 proximatis, subglobosis, membranaceis, fascis, coliis longioribus 

 stroma perforantibus ; ostiolis prominulis v. demum rostellatis, 

 nigris ; ascis ellipsoideo-clavatis, diaphanis, octosporis : sporidiis 

 distichis v. imbricatis, fumosis, oblongis, obtusissimis, syepe ieniter 

 curvatis, bilocularibus, subconstrictis, primo 2-guttatis, demum intus 

 grumosis, 16-16 55= 6; paraphysibus teneris. 



Hab. in rarais Betulae pubescentis, Bremgarten wald Kel- 

 vetisB. 



2. Melanconls Hicori» Atk. Bull. Cornell Univ. III, n. 1, 1897, 2071 

 p. 7. — Stroraate mJnufco; peritheeiis monosfcichis, disco minuto, 

 obscuro; ascis cyiindraceo-eilipticis 70-90^10-12, paraphysatis ; 

 sporidiis distichis, obIongo-c\'Iindraceis, 1-septatis, non constrictis, 

 15-20 « 4-5, uno loculo interdum angustiore efc septo v. plasmate 

 diviso, utrinque appendicula brevi, erecta, 2 >:* '/j . metients praB- 

 ditis. 



Hab. in ramis Caryae alb^e, Auburn, Alabama Amer. bor. 



— M. Alni proxima, sed differt sporidiis appendiculisque minoribus. 



2. Melanconis Fagi Oud. Eevis. des Champ, II, 1897, pag. 466. — 2072 

 Ascis ^S^lSy^; sporidiis 23y2-28v7-9: omnia cetera ut in Me- 

 lanconi antarctica Speg. 



Hah. in ramis Fagi silvaticse in Hollandia. 



DIAPORTHE Nits. — Syll. I, p. 606, IX, p. 702, XI, p. 307, 



1. Diaporthe (Chm-ostate) pycnostoma Otth, Bem. Mittheil. 1870, p. 99. 2073 



— Peritheciis 15-20 in stromate mere corticali pustiilato, haud 

 nigrolimitato demersis, subtus strato tenui corticali a ligno discretis, 

 in orbem congestis, ambitu subdecumbentibus; collis convergen- 

 tibus; ostiolis safc minutis in discum convexum erumpenterD arcfcis- 

 sime congesfcis; ascis elongato-subellipsoideis, octosporis ; sporidiis 

 ellipsoideis, obtusis, medio subeonstrictis at vix conspicue septatis, 

 4-guttuiatis, hyalinis, 16 >* 6. 



HaJ). in rarais corticatis Berberidis vulgaris iu Helvetia. 

 A Diaporthe detrma notis datis diversa. 



2. Diaporthe (C.) Padi Otth, Beni. Mittheil. 1870, p. 99. — Laxe 2074 

 gregaria; peritlieciis globoso-depressis, paucis subcircinantibus, in- 



