834 Uredinalea, Molanipsoracese, Melampsoreai, Melampsora. 



deis, iiitenluin sul)anj;ulosis, 20 «^ 15, flavidis; parapliysibus sursuni 

 inflatis, 15-30 [x, tenui-membranaceis ; teleutosoris plerumque epi- 

 pliyllis, epidermide tectis, ^ l i-'' l o lum. diam., atro-brunneis; teleu- 

 tosporis prismaticis, o0-50 * 6-12, uiembrana brnnnea, non incras- 

 sata, apora. 



Hah. aecidia in foliis Y i o 1 a e e p i p s i 1 a e ; uredosori et te- 

 leutosori in foliis S a 1 i c i s r e t i c u 1 a t a e, in Lapponia Lulensi. 



9. Melampsora Allii-fragilis Klebb. in rringsli. Jabrbiicb. f. wissenscb. 

 Bot. XXXV, 1901, p. 671., Syd. Ured. III p. 373. — Uredo Allii- 

 fragiUs Artbur (1906). — Caeonia Alliorum Lk., C. AlUi-ursini Wink. 

 p. p., Sacc. Syll. VII p. 868. — Pycnidiis parum prominulis, len- 

 ticularibus, ca. 200 \i latis ; aecidiis ampliigenis v. caulicolis, ma- 

 culis decoloratis insidentibus, sparsis v. aggregatis, epidermide fissa 

 cinctis, usque 2 mm. long., 0,5-1 mm. latis, aurantiacis ; aecidio- 

 sporis irregulariter angulatis v. ellipsoideis, rarius globosis, sub- 

 tiliter verruculosis, 18-25 « 12-19, episporio 1-2 |j. cr. ; uredosoris 

 ampbigenis, praecipue bypopbyjlis, in epipbyllo maculas flavo- 

 rufas efficientibus, sparsis, minutis, ^/s-Va ^^^^' diam. epidermide 

 fissa ciuctis, rufo-aurantiacis; uredosporis ellipsoideis, ovatis v. ob- 

 longis, remote aculeato-verrucosis, ad apicem levibus, 22-33 * 13-15, 

 episporio usque 3 [Ji cr. ; parapbysibus plerumque capitatis 50-70 {i 

 longis superne 15-20 [i latis, stipite 3-5 [i cr., rarius clavatis et su- 

 perue 10-15 |a tantum latis stipite usque 7 {x cr., membrana 3-5 [x 

 cr. ; teleutosoris ampbigenis, plerumque epipbyllis, subcuticularibus, 

 sparsis v. aggregatis, saepe per totam folii superticiem distributis, 

 l)uIvinatoprominuIis, ^/^-1,5 mm. latis, brunneis, taudem atro-brun- 

 neis, nitidulis ; teleutosporis irregulariter prismaticis, utrinque ro- 

 tundatis, dilute brunneis, 30-48 * 7-14, episporio ubique 1 [x cr. 



Hab. aecidia in foliis Allii ascalonici, Cepae, olera- 

 c e i , P o r r i , s a t i v i , S c b o e n o p r a s i , u r s i n i , v i n e a- 

 1 i s , uredo-et teleutosporae in foliis S a 1 i c i s f r a g i I i s, f r a- 

 gilis X pentaudrae, pentandrae, in Germania, Au- 

 stria, Hungaria, Helvetia. 



10. Melampsora americana J. C. Artbur, Bull. Torr. Bot. CI., 47., 1920, 288' 

 p. 405. — Mel. arctica Auctor. florae amer. nec Eostr. — Pycnidiis 

 inter aecidia sparsis late conoideis v. hemispbaericis, flavescentibus 

 V. pallide brunneis, subinconspicuis, 80-150 \i latis, 50-90 |i altis, 

 eperipbysatis ; aecidiis by])opbyIIis late sparsis et maculis flave- 

 scentibus insidentibus, ovatis v. oblongis, 0,3-0,8 inm. long., mox 

 uudis pulveraceis primum aurantiacis dein pallide flavis, cuticula 



