o'.'0 Ui'oclinc;e, Ainorospora.', Molauip.sora. 



iieis, (liuiuiiii bi-iiiinco-piceis, crii.stilbriiiibus ; telcutospoi-is lo-.jo - 

 11-12. 



Ilab. \\\ foliis ramulisquo Populi treiiiula} iii Italia, Iji-i 

 taiiuia, Gallia, Lusitaiiia, Gertnania, Holvetia, Austria, nohoiniH 

 Feiiiiia, Xeeiianilia, Ardueiinis. 



8. Meiampsora aecidioides (DC.) Scliroet. Pilz. Scliles. p. 3G2, Uredi. 

 (UciiUoides i)(^. Fl. PVanr. II, p, 236, Cccoma cvgirinum Sclileclit 

 Fl. Deiol. II, pag. 124, Ertjsibe tvcidiiformis Waili-. Fl. Crypl 

 Germ. II, p. 1636, Vredo Acherois Sprengel Syst.? Uredo ef]us( 

 var. ■/ Strauss Wett. Anii. II, p. 91, — Soris uredosporireris ro 

 tundatls, amphigenis, paraphysibus inagiiis dense congestis coiono 

 albida} ad instar cinctis; uredosporis globosis, ellipticis vel ovatijf 

 17-21^15-17, aculeatis, aurantiaco-rufis ; paraphysibus clavifor 

 mibus, curvatis, 40-00 ;; 15-22; soris teleutospoiiferis minutis, cru 

 stilbrmibus, brunneis. 



Hab. in foliis Populi albae et canescentis, iii Gallia ei 

 Germania. 



0. Meiampsora popuiina (Jacq.) Lev. in Ann. Scienc. Nat. 1S47, p. 375 

 Winter Die Pilze p. 238, Schroet. Pilz. Scliles. p. :JG2, Lijcoper- 

 do7i popiilinum Jacquin Collect. t. IX, f. 2-3, Uredo lonr/iea 

 psala DC. FI. Frano II, pag. 233, U redo cylindrica Strauss ii 

 Wett. Aiin. II, p. 92, Uredo Populi Mii-t. FI Mosq. p. 231, Me 

 lampsG}'a? Populi Mont. in Cast. Suppl. Cat. pl. Marseille p. 80 

 Sclerotiam populinum Pers. Observ. II, p. 25, Melatnpsora Bai 

 samifercv Thiim. Myc. Univ. n. 1832, Xijloma populinum Dubv 

 Botan. Gall. II, p. 875, Ccvom% allochroum Link Sp. II, pag. 3C 

 Lecijikea populina L("'v. in Ann. Scienc. Nat. 1S47, p, 375, Lnj- 

 sibe cjUndrica Wallr. Fl. Crypt. Germ. II, n 1012, C<.coma cij 

 lindricum Schlecht. FI. IJerul. II, p. 119 nec Ru I. — Soris ure- 

 dosporiferis rotuiidatis, sa^pe dein epidermide bullato-vesiculos i te- 

 ctis, auratitic-rufis, demum sa^pe condueiitibus; uredosporis loiige 

 ellipticis vel ovoideis, 28-38:^15-20, aculeatis, aurantiacis; para- 

 physibus plus miuus numerosis, usque ad 50 ;/. longis, apice glo- 

 boso- vel ovato-incrassatis, 17-20 y.. latis; soris teleutosporiferis 

 epi[)hyllis, explanatis, s^upe coniluentibus, primo rufo-bruii neis, de- 

 inuiii atro-bruMiiei<, aiite germinationem crustas flavo-rufescentes 

 efricientibus; teleutosporis 40-15^13; sporidiolis globjsis, auran- 

 tiacis. 



UhIk iii foliis Populi nigrie, p i ra m i d a I i s, laurifoIia\ 

 s u a V e 1 e n t i s, b a I s a m i f e r a}, v i r g i n i a n ;c, m o n i I i f e r a?, in 



