484 



2753. Melanconium juglandinum Kze., Syll. Ill "^ All. VII «" 

 c. icon. 



Juglans regia. F. Broholm, Klingstrup; S. Landboh0jskolens Have. 



2754. Melanconium oblongum Berkeley, Syll. Ill "^. 

 Juglans mantchurica. S. Landbohajskolens Have. (New for Europe). 



2755. Melanconium pallescens Baumler, Syll. X "^ All. VII "^ 

 Cornus alba. S. Landboheijskolens Have. 



2756. Melanconium magnum (Grev.) Berk., Syll. Ill ™, All. 

 VII ^^^ 



Acer pseudoplaianus. S. Avdered (^''/3 90). 



Thyrsidium. 



2757. Thyrsidium botryosporum Montagne, Syll. Ill ^^^ &. X "\ 

 All. VII ''' c. icon. 



Fagus silvatica. S. Jaegersborg (^'/s 81 V. Sarauw). 



Melanconieae — Hyalodidymae. 



Marssonina. 



Into the form-genus Marssonina — formerly called Marsonia or 

 Marssonia (see Magnus 06) — I am also including the forms of Acti- 

 nonema. Rostrup (02 a *'^) and v. Hohnel (07 b) also classifies Acti- 

 nonema under Melanconiales. The form-species of Marssonina are very 

 close related the species of Gloeosporium and as the latter to be re- 

 garded as conidial forms as vel of Discomycetes as of Pyrenomycetes, 

 viz: 



Marssonina salicicola corresp. Pyrenopeziza salicis capreae (see Jaap 



10 b ^"). 



— Delastrei — Niptera agrostematis. 



— rosae — Diplocarpon ro.sae (see Wolf 12 b). 



— potentillae — - Coleroa polentillae. 



— juglandis — Gnomonia leptostyla (see Klebahn). 



2758. Marssonina secalis (Ouds.) Magnus, Syll. XIV '"'", All. 

 VII '">, Syn: Marsonia secahs Ouds. 97 ^» &. 98 "\ Rhyncosporium 

 graminicola Heinsen apud Frank 97 ^''', Heinsen 01, Marssonia gram. 

 Kirchner 06 ^\ Byggets Marssoniose (F. K. R. 01 "'), Lit: R 99 c ^'^ 

 02 a 5'^ Jungner 06 tab. VII fig. 9 (without name). 



