84 



19. P. älta Fuck. Fung. rhen. 39 et Symb. myc. p. 71. 

 Stipites plerumqve solitarii, rarius bini vel tcrni c sto 



mate emersi, itaqve laxe caespitosi, elati, graciles, 6 — 8:ies 

 dichotomi. Rami patentes, sensim attenuati, plus minus fle- 

 xuosi; rami penultimi ordinis vix non semper bifurcati in ra- 

 mulos duos, tenues, acutiusculos, inter se valde inaeqvales: 

 altero e basi arcuata porrecto vel sigmoideo, longiore, al- 

 tero multo breviore, arcuatim retro-flexo. Zoosporangia ovoi- 

 dea, magna, sordide violascentia. 



Syn. Peronospora älta De B. in Ann. Se. nat. 1863 et in 

 Hedw. 1864, N:o 9, p. 139. 



Exsicc. Karst. Fung. Fenn. 579. 



Hab. In Plantagine maj or c, e folioruni pagina inferiore 

 praecipue emergens. In Fennia forte baud rara, etsi adhuc 

 tantum in regione Mustialensi et prope Wasa observata*). 



20. P. Rumicis Conn. Icon. I, p. 20, t. 5, f. 273. 

 Stipites dense caespitosi, singuli tenues, bumiles, aut 



aeqvaliter qvater dichotomi, aut sub apice 3 — 6:ies dicho- 

 tomo ramos 1—3 sparsos vel suboppositos ipsosqve repetite 

 dicbotomos gerentes. Rami sensim attenuati; primarii erec- 

 to-patentes; ultimi patentissimi, breves, conico-subulati, rigidi, 

 recti et acuti. Zoosporangia magna, ellipsoidea, obtusissiina, 

 sordide violacea. 



Syn. Peronospora Rumicis De B. in Ann. Se. nat. 1863, 4:e 

 ser., XX et in Hedw. 1864 N:o 9. p. 139. 



Exsicc. Karst. Fung. Fenn. 580. Rab. Fung. eur. II, 988. 



*) In Fennia qvoqvc qvaercndae sunt: P. Schleideniana (Ung.) 

 in Ällio Cepa et All. fistidoso, P. Hyoscyami De B., in Hyoscyamo 

 nigro, P. sordida Bekk., in Scrophularia nodosa, P. Clirysosplenii 

 Fuck., in Saxifraga gramdata et P. Linariae Fuck., in Linaria 

 vidgari et L. minori. 



