57 



brium sophia. Laesa ! ; S. Stavnsholt ! (Exs. Sydow no 270), Flaskekroen, Ros- 

 kilde, Masnedsund ; B. Nexer (R 06 dd ^^2), Sisymbrium silvestre. B. Aarsdal. 

 Brassica campestris, napus, oleracea common in the gardens (R 88 n '•''). Sinapis 

 arvensis. S. Frederiksholm, Damhuset; L. Stensgaard. Sinapis alba. J, Virklund. 

 Raphanus raphanistrum. J. Saeby, Skive!; S. Helenas Kilde (R99a"6); B. R0. 

 Raphanus sativus. S. Kabenhavn!, Raphanus caudatus. S. Landbohajskolens 

 Have. Raphanus gayanus. S. Botanisk Have (O. R.). Cakile mantima. J. Frede- 

 rikshavn (V. S.). 



34. Cystopus cubicus Lev., Syn: Cyst, tragopogonis Schroet. Syll. 

 VIP3^ Fisch. W", Syn: Uredo tragopogi Pers., Albugo trag. (Pers.) 

 Gray, Uredo scorzonerae Pers. Schum. no 1541, Cystopus spinulosus 

 de By., Syll. VII ^^\ Schorzonerens Brandstev (H 37 ^°^}, Kurvblom- 

 sternes Hvidrust (R 02 a 2°' 6. 04 a ^2). 



May be found in April— Oktober, but most common in June- 

 August; is rarely sought in vain, common in gardens and fields. 



Carduiis crispus (hosp-nov.). J. 0ster Teglgaard by Viborg (Gad). Cirsium 

 oleraceum. F. Ryslinge! Vejstrup Aaskov. Cirsium lanceolatum. F. Skaarup. 

 Cirsium palustre. J. Harrestrup; F. Skaarup, Bjernemose. Cirsium arvense. J. 

 Understed! Vosnaes; F. Bakkehuset, Klingstrup, Vejstrup Aaskov; S. Valby, 

 Glostrup. Centaurea scabiosa. J. Aalborg (F. K. R.), Daugaard!; F. Bjeirnemose; 

 S. Odsherreds Klint, Landbohajskolens Mark; Falst. Virket! (Exc. ^''/g 11). Filago 

 minima. J. Viborg (Gad), Narhule by Horsens (Jeppesen); F. Ryslinge!. Filago 

 arvensis. J. Narhule (Jeppesen); F. Ryslinge!, Bjernemose; Thorseng Bregninge. 

 Filago germanica. F. Ringe!, Skaarup (Exc. Thiim. mycot. No. 1919). Gnapha- 

 lium uliginosum. F. Klingstrup. Artemisia vulgaris. J. Skive!, Randers; F. Ham- 

 drup (Jak. Lg.), Kvaerndrup, Trolleborg. Chrysanthemum parthenium. Fsena; F. 

 0. Aaby, Holmdrup, Skaarup. Inula salicina. S. Flaskekroen (R 99 a ^^^). Scor- 

 zonera humilis. J. St. Vildmose, Skive!; S. Jonstrup Vang. Scorzonera hispanica 

 very common in the gardens. Tragopogon pratensis. J. Borrevold, Randers; F. 

 Skaarup; S. Brede (Riitzou), Landbohajskolens Mark, Herlufsholm (O. R.); L. 

 Stensgaard. Tragopogon porrifolius. F. Svendborg; Sj. Botanisk Have (E. W.), 

 Stubberup; L. Christianssaede (Exc. *J8 84), Vesterborg; Falst. Stubbekabing. 



Phytophtora. 



35. Phytophtora omnivora de By., Fisch. IV ''^^, Syn: Phyt. cac- 

 torum (Cohn 6. Lebert) Schroet., Syll. VII "^ Phyt. fagi Hartig, Kim- 

 bladskimmel (R 89 a ^^ c. icon), Kimskimmel (R 04 a ^i). 



Is is found on seed-plants of all species of Phanerogames especially 

 during June— September, but also on full-grown plants (Cattleya and 

 Helleborus), and if so it may be found in any season. Rostrup interested 

 himself much in this fungus (R 80 a ^««-"'', 83 d ='«-=^' 6. 02 a 1'^), which 

 often causes great damage to the cultivated plants. In "Nordskoven" 

 near Sore 43575 young beech-plants destroyed by this fungus were 

 rooted up. Rostrup considers it likely that a man may carry with him 



