151 



II "^ Rehm III 1" c. icon., Opegrapha lichenoides Vahl, FI. D. tab. 1242, 

 Loppeformig Spraekkesvamp (H. 37 ""), Loppe-Spraekkesvamp (R 69"). 



According to the original specimen in Schumacher's herbarium his 

 Hysterium pedicellatum is quite identical with Hyst. pulicare. 



Very common on old thick bark of various deciduous trees. 



Noticed on Quercus rofcur. J. Nebsager (O. R.); F. Klingstrup (March 66), 

 Vejstrup Aaskov!; S. Charlottenlund. Betula alba. S. Teglstrup Hegn (V. Sa- 

 rauw); L. Stensgaard. Fraxinus excelsior. S. Charlottenlund. Alnus glutinosa. 

 F. Skaarup. 



Hysterographium. 



552. Hysterographium fraxini (Fries) de Not., Syll. II ^", Rehm 



III ^8 £, 1246 (. ij.Qjj^ R 02 a ^'^ c. icon., Syn: Hysterium frax. Pers., Fries 

 S. M. II =«5, R 69", Askens Sprakkesvamp. 



Rostrup has the honour of having discovered that this fungus is a 

 true parasite; it attacks the younger branches of Fraxinus and kills 

 them; it first produces the conidial fructification of the formgenus of 

 Myxosporium, later on developing its ascigerous'fructifications on the 

 fallen twigs (see R 83 a ^ 83 d ^»^ 96 q ^2°). 



Fraxinus excelsior common. Fraxinus americana. J. Buderupholm (see P. E. 

 Muller 88156); pajst. Hanenov. 



553. Hysterographium curvatum (Fries) v. Hohnel 06 b ^'^.^^ Syn: 

 Hysterium curv. Fries El. II ^'°, Gloniopsis curv. Sacc, Syll. II ^" &. 

 XVIP"', Gloniopsis ihcis R 97 m^ Syll. XIV^". 



On dead, decorticated branches of Ilex aquifolium. (.S.bel0 ''/s 95). 



554. Hysterographium elongatum (Fries) Cda., Syll. II "^ Rehm 

 III 1^ Syn: Hysterium elong., Wahlenberg, Fries S. M. II ^", Lang 

 Spraekkesvamp (H. 37 "0- 



On a fence-post. F. Glorup. 



Mytilidion. 



555. Mytilidion Karstenii Sacc, Syll. II ''^ Rehm III ^' c. icon. 

 On old bark of the root of Picea excelsa, S. Ruderhegn (^e/g 09 ! ). 



Lophium. 



556. Lophium mytilinum Fries S. M. II ''\ Syll. II "^ Rehm III « 

 c. icon., Syn: Hysterium myt. Pers., Schum. no 1264. 



Picea excelsa. F. Klingstrup, Skaarup; S. Ruderhegn (O. R.), Dyrehaven. 

 Pinus montana. J. Gjesten. Pinus strobus. S. Farum, Gammelmose. 



' 557. Lophium dolabriforme Wallr., Syll. II ^"^ Rehm III ^^ c. icon. 

 On barked branches of Pinus malus silvestris. J. Krabbesholm Skov (20/3 



