84 



19. P. alta FucK. Fung. rhen. 39 et Symb. myc. p. 71. 

 Stipites plerumqve solitarii, rarius bini vel terni e 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 alta De B. iu Ann. Sc. nat. 1863 et in 

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



Exsicc. Karst. Fung. Fenn. 579. 



Hab. In Plantagine majore, e foliorum pagiua inferiore 

 praecipue emergens. In Fennia forte haud rara, etsi adhuc 

 tantum in regione Mustialensi et prope Wasa observata*). 



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



Stipites dense caespitosi, singuli tenues, hurailes, aut 

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

 tomo ramos 1—3 sparsos vel suboppositos ipsosqve repetite 

 dichotomos gerentes. Rami sensim attenuati; primarii erec- 

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

 recti et acuti. Zoosporangia magna, ellipsoidea, obtusissima, 

 sordide violacea. 



Syu. JPeronospora Rumicis De B. in Ann. Sc. nat. 1863, 4:e 

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



Exsicc. Kaest. Fung. Fenn. 580. Rab. Fuug. eur. 11, 988. 



*) In Fennia qvoqve qvaerendae sunt: P. Schleideniana (Ung.) 

 in Allio Cepa et All. fistiiloso, P. Hyoscyami De B., in Hyoscyamo 

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

 FucK., in Saxifraga granulata et P. Linariae FuCK., in Linaria 

 vulgari et L. minori. 



