Uredinacese, Piiccinia. 631 



polygoniis 18-24 [a. cr. ; uredosporis 20-26 * 19-24, tunica usque 

 ad 2,B [j-. cr. ; teleutosporis 24-42*17-21, poro germinativo loculi 

 inferioris septo valde approximato. 



Hab. aeddia in foliis petiolisque AngelicsB silvestris, ure- 

 do- et teleutospor:,e in foiiis Polygoni Bistortie et P. vi- 

 vipari, Helvetia, Italia etc. 



53. Puccinia Mei-mamiliata Semadeni, in Centralbl. f. Bakt. Paras. 2442 

 und Infekt. II Abt. Bd. X (1903; p. 523, Bd. XIII (1904) p. 541, 

 cum ic. — Pycnidiis satis copiosis, rotundatis, pallide flavis 135 



[j.. cr. ; gecidiis [JEc. Mei Schr., A. Mei-Mutellince Wint., Syll. VII, 

 p. 793 p. p.) ; uredosporis tunica usque acl 3-5 jj.. cr.; teleutosporis 

 24-35 «: 18-21, poro germinativo loculi inferioris pedicello plus 

 minusve approximato. 



Hab. fecidia in foliis petiolisque Mei Mutellinre, uredo- et 

 teleutosporge m foliis Polygoni vivipari et P. Bistortse, 

 Helvetia, Italia, Austria etc. - Typo Pucc. mammillatce Schr. 

 pertinet; cfr. Syll. VII, p. 639. 



54. Puccinia Traversiana Syd. Monogr. Uredin. I, p. 889. — Teleu- 2443 

 tosoris amphigenis, Sccpius hypophyllis, sine maculis, sparsis vel 

 hinc inde coniluentibus, mediocribus, y^-2 mm. diam., epidermide 

 plumbea diutius tectis, dein ea iissa cinctis, pulverulentis, atris; 

 teleutosporis ellipsoideo-oblongis, apice rotundatis, non incrassatis, 

 medio vix v. leniter constrictis, basi ssepius rotundatis, subtilis- 

 sime verruculosis, brunneis, 26-36 ^ 18-27, episporio c. 2 [x. cr. ; 

 pedicello hyalino, brevi, deciduo. 



Hab. in foliis Phellopteri purpurascentis, Colorado 

 Amer. bor. (C. F. Baker). — Puccinia sphalerocondroe Lindr. 

 affinis. 



55. Puccinia Rossii Bub. in Ann. myc. IV (1906) p. 107. — Maculis 2444 

 expallentibus ; soris hypophyllis sparsis v. aggregatis, 0,5-1 mm. 

 lat., subconvexis, diu epidermide tectis, dein rimose erumpentibus ; 

 uredosoris late brunneis, pulveraceis; uredosporis ovoideis, 31-35* 

 26-29, apice rotundatis et ad 9 [J/. incrassatis, membrana flavo- 

 brunneola, spinulosa, poris 2-3 fequatorialibus, late papillato-oper- 

 culatis; teleutosoris nigris, non pulvereis; teleutosporis irregulari- 



ter ovoideis v. oblongis, angulosis, 35-58 « 22-35, membrana casta- 

 neo-brunnea, 4,5 [j.. cr., minute granulosa et insuper costulis hya- 

 linis V. flavo-brunneis, subinde usque ad 6 (j., altis percursa; poro 

 loc. sup. laterali, loc. inf. mediano, utroque papillato-operculato ; 

 pedicello hyalino, firmo, brevi, raro usque ad 20 [x. longo. 



