467 



2625. Leptothyrium vulgare (Fries) Sacc, Syll. Ill ''^ All. VII ^'^\ 

 Ribes grossularia. F. Odense. Cornus suecica. J. St. Vildmose, Mosskov. 



Pirola chlorantha (hosp. nov.). S. Tisvilde. Campanula trachelium. J. Bangsbo 

 Skov ! . Cirsium arvense (hosp. nov.). F. Vejstrup Aaskov, Klingstrup. Solidago 

 virgaurea. J. Viborg!. 



2626. Leptothyrium pomi (Fries) Sacc, Syll. Ill ^^\ All. VII "', 

 Syn: Labrella pomi Fries. 



Not uncommon on apples. Nov.— Dec. 



2627. Leptothyrium chimophilae spec. nov. 



Peritheciis in acervulos coacervatis vel sparsis, superficialibus, scutato- 

 planis, 160 l^ diam., atro-nitidis, astomis, contextu minuto parenchy- 

 matico, vix radiato; conidiis cylindraceis, rectiusculis, hyalinis, granu- 

 losis, 15—20 ^'■ X 2—3 n, basidiis paralelle stipatis, brevissimis. 



On leaves of Chimophila umbellata. S. Tisvilde (^^/io 78). 



2628. Leptothyrium periclymeni (Desm.) Sacc, Syll. Ill ='^ All. 

 VII =^= c icon., R 02 a =" 



Lonicera xylosteum. S. Slangerup ! , Koge Aas, Slagelse Skov (R 99 a ^'^ 

 "Marsonia lonicerae Harkn."); Meens Klinteskov (R 95 a ^^°). 



Piggotia. 



2629. Piggotia astroidea Berk. &. Br., Syll. Ill «", All. VII ^'' 

 c. icon. 



Is the conidial fructification of Dothidella ulmi (see Wt. II '"''). 

 On living leaves of Ulmus campestris. L. Knuthenborg (R 92 g ''). 



Leptostroma. 



The form-species of Leptostroma are often lower fructifications of the 

 species of Hypodermataceae see pag. 144. 



2630. Leptostroma filicinum Fries S. M. II "'», Syll. Ill «"=, All. 



VII ^". 



Osmunda regalis. L. Fuglsang Skov (see R 99 b). Pteridium aquilinum. S. 

 St. Hareskov (O. R.), Lyngby Mose (April 89 O. R.). 



2631. Leptostroma juncacearum Saccardo, Syll. Ill *■"•, All.VIP^" 

 Juncus effusus. S. Gammelmose (see R 06 cc). 



2632. Leptostroma Henningsii All. VII ''\ Syll. XI "'. 

 Enophomm angustifolium. J. Utoft Flantage. July. 



2633. Leptostroma scirpinum Fries S. M. II "^ Syll. Ill ^'"'. 

 Scirpus lacustris. J. Silkeborg Langse; S. Sjaelse, Hulse (6/9 86 O. R.), Tju- 



strup S0; L. Vesterborg S0. 



30* 



