:!(n', Uredinace», Didymospora, Puccinia. 



(Crepidis baicalonsis) in regione altaica Asia3 centralis (Lk- 

 deboub). 



111. Puccinia Prenanthis (Pers.) Lindr. Mykol. Mittheil., pag. G, in 1040 

 Act. Soc. pr. Fauna et Flora fennica 1901, n. 9. — Syd. Mon. 

 Ured. vol. I, pag. 106: cfr. Sacc. Syll. VII, p. G06, n. 2157 p. p. 



— iEcidiis hypophvllis, raro paucis etiam epiphyllis v. petiolicolis, 

 maculis flavis vol purpureis usque 1 cm. diam. insidentibus, in 

 greges rotundatos vel irregularcs G mm. latos ad nervos s;rpe 

 clongatos dispositis, primo hemisphoericis dein applanatis, liavis 

 vel albidis, interdum fiavo-purpureis ; jecidiosporis globosis, sub- 

 globosis vel ellipsoideis, subtiliter verruculosis, pallido aurantia- 

 cis, 13-24 [j.. diam.; soris uredosporiferis hypophyllis, maculis ir- 

 regularibus pallidis indeterminatis insidentibus, sparsis, minutis, 

 punctiformibus, pulverulentis, pallide brunncis; uredosporis glo- 

 bosis vel subglobosis, echinulatis, flavo-brunneis, 16-24 jj.. diam.; 

 soris teleutosporiferis conformibus, epidermide nssa cinctis, atro- 

 brunneis; teleutosporis ellipsoideis, apice rotundatis, non incrassa- 

 tis, medio non constrictis, basi plerumque rotundatis, subtilissime 

 verruculosis, brunneis, 26-36^16-24; pedicello hyalino, brovis- 

 simo. 



Hab. in fohis vivis Lactucse (Prenanthis) muralis, in 

 Germania, Austria, Hungaria, Helvetia, Italia, Gallia, Belgio, Hol- 

 landia, Britannia, Dania, Suecia, Fennia, Rossia. 



112. Puccinia Prenanthis-purpureae (DG.) Lindr. Mykol. Mittheil. p. 7, 1041 

 in Act. Soc. pro Fauna et Fl. fennica 1901, n. 9. — Syd. Mon. 

 Ured. vol. I, pag. 135: cfr. Sacc. Syll. VII, p. 606, n. 2157 p. p. 



— iEcidiis hypophyllis, maculis orbicularibus usque 5 mm. diam., 

 flavis vel flavo-purpureis insidentibus, in greges rotundatos vel 

 irrcgulares, usque 6 mm. latos ad nervos subinde elongatos dispo- 

 sitis, primo hemisphsericis dein late apertis, flavis vel albidis, in- 

 terdum iiavo-purpureis ; a-cidiosporis globosis, subglobosis v. elli- 

 psoideis, subtilitor verrucosis, pallide aurantiacis, 15-24 « 12-20 ; 

 soris uredosporiferis hypophyllis, maculis minutis flavis insiden- 

 tibus, sparsis, minutissimis, punctiformibus, pulverulentis, dilute 

 rufo-brunneolis ; uredosporis globosis vol subglobosis, subtiliter 

 echinulatis, flavidis, 17-25 ;j.. diam. ; soris teleutosporiferis confor- 

 mibus brunncis ; teleutosporis ellipsoideis vel ovatis, apice rotun- 

 datis, Bubtilissime vcrruculosis, brunneis, 24-37 « 16-24, episporio 

 tenui ; pedicello hyalino brevi. 



Jlah. in foliis vivis Prenanthis albae, purpureae, te- 



