70 



(Lind 09). Galium palustre. S. Lindholm!. Gdium mollugo. J. Bygholm!; 

 Maens Klint (09). Galium verum. S. Frederikssund. Galium boreale. S. Jon- 

 strup Vang. 



88. Peronospora valerianellae Fuckel, Syll. VIP", Fisch. W', 

 Vaarsalatskimmel (R 04 a ="). 



May— June. 



Valerianella olitoria. F. Skaarupare Strand (^/s 73), Hajstrup Strand (O. R.); 

 S. 0rsl0v (P. N.). Valerianella Morisonii. F. Ryslinge!. 



89. Peronospora Valerianae Trail, Syll. IX 2"''. 



Seems to be very rare, hitherto only found in Scotland and Den- 

 mark which is very curious as the host-plant is rather widely spread. 

 Valeriana sambucifolia. J. Flade ! ("h 06). 



90. Peronospora dipsaci Tulasne, Syll. VII "«, Fisch. IV ^^^ Karte- 

 bolleskimmel (R 04 a ^o). 



Dipsacus Silvester. L. Abed, Vesterskov, Nakskov, Ringsebelle (^'/t 78). 



91. Peronospora violacea Berkeley, Syll. VII ''^\ Fisch. IV''^^ Ska- 

 bioseskimmel (R 04 a ''>). 



The mycelium penetrates the whole plant and transforms its flowers 

 making all its stamens like the petals ("Petalodi") ; the transformed 

 plants have been considered a special variety "Knautia arvensis var. 

 campestris". 



May to August. 



Scabiosa columbaria. Falst. Gransund; Maens Klint. Succisa praemorsa. J. 

 Raabjerg, Saeby; Faene; S. Brede Bakke. Knautia arvensis. J. Aalborg Signal- 

 bakke, Nebsager (O. R.), Vejle; Sams0 Hjortholm; F. Korinth, Hesselager, 

 Lundborg, Holmdrup Ch 65), Skaarup; S. Brede Bakke (Kjaerskov). 



92. Peronospora knautiae Fuckel, Syll. VIP«^ Fish. IV "^^ 



In the leaves of Knautia arvensis. S. Rungsted (R 99 a ^^^), 0rsl0v (P. N.), 

 Hammer (Jak. Lge). 



93. Peronospora leptosperma de Bary, Syll. VII "", Fisch. IV", 

 Renfaneskimmel (R 04 a '»). 



May— September, in the leaves. 



Artemisia vulgaris (hosp. nov.). J. Skive! (Exs. Sydow. Phycom. no 253). 

 Tanacetum vulgare. F. Ringe ! , Skaarup (^s/s 70) ; S. Soborg (Exc. ''■'/e 84), Maens 

 Klint (Lind 09). Anthemis arvensis. F. Brudager; S. Lyngby (M. L. M.), Orslev 

 (P. N.). Matricaria inodora. J. Skive!; S. Flaskekroen; L. Stensgaard. Matricaria 

 chamomilla. S. Ragnasminde (F. K. R.). 



94. Peronospora radii de Bary, Syll. VII "\ Fisch. IV «^ Straale- 

 blomstskimmel (R 04 a ="), Lit: R 85 a 6. 92 g ^\ 



In the heads which often get only Ungulate corols by the attack of 



