Uredinooe, Aiiicrosporx', iMolanipsora. 58'? 



Lccyihea Kuphorbicc Lev. \i\ Ann. Scienc. nat. 1847, p. 374, Erif- 

 sif/e Euphorbicv Wallr. Fl. Crvpt. Gerni. II, n. 1G42 p. p. — So- 

 ris uredosporiferis convexi.'^, mox apertis, rotundatij;, pallidc auran- 

 tio-rufis, niox expallentibus, sa^pe expansis; uredosporis ellipticis 

 vol ovoideis, raro oblongis, 14-23 r 10-17, subtiliter aculeolatis, au- 

 rantiaco-flavis, episporio hvalino; paraphysibns nunierosis, capita- 

 tis, sursum 15-17 y. crassis, intermixtis; soris teleutosporiferis ro- 

 tundatis vel irregulariter pulvinatis, in caule elongatis, in foliis 

 punctiformibus, niinutis, primo rufo-flavis, dein atro-brunneis et 

 tunc crustaceo-explanatis ; teleutosporis cuboideo-cuneatis, sursum 

 explanatis, deorsum angustatis, 30-15 :s 12-15, levibus. 



llab. \n foliis caulibusque E u pli o r b ia r u !u, in Italia, Gallia, 

 Austria, Holvetia, Germania, Neerlandia, Bohemia, Ardnennis, I3ri- 

 tannia, Belgio, yEgypto, Sibiria asiatica. 



Melampsora farinosa (Pers.) Schroct. Pilz. Schles. p. 360, Ureclo sioo 

 /arinosa var. Salicis-caprece Per.s. Syn. Fung. pag. 217, Epilea 

 vu/garis Fr. Summa Veg. Scand. pag. 512, Ccvoma Caprearurii 

 Schlecht. FI. Berol. II. p. 124, Uredo Caprearum DC. Flor. Franc. 

 iVI, p. 80, Erysibe Caprearum Wallr. Fl. Crypt. Germ. II, n. 1041, 

 Sclerodum salicinuni Fr. Observ. 11, p. 358, Leptostroma salici- 

 nura Link Handb III, p. 315, Lecythea salicina Lev. in .\nn. Sc. 

 >Nat. 1847, p. 375 p. p., Tul. in Ann. Scienc. Nat. 1854, t. VII, 

 jf. G-7, Melampsora Caprearuni Thiim. in Mitth. Versuch. (Est. 

 II, ], p. 12, Melampsora Salicis-caprecv (Pers.) Wint. Die Pilze 

 p. 239 p. p , Melanipsora llartigii Thiun. in Mitth. aus d. forstl. 

 ;Vers. (Esterr. II, p. 41, Physonema palliclum Bonord. in Karst. 

 F. Fenn. n. 393. — Soris uredosporiferis amphigenis vel ramico- 

 jis, sparsis vel subgregariis, demum confluentibus, rotundatis, fla- 

 |Vis, subaurantiis vel cineraceis, pseudoperidio inconspicuo; uredo- 

 sporis ovoideo-spha?roideis v. ellipsoideis, echinatis, pedicello a^qua- 

 11, gracili, longo vel abbreviato prfeditis, 17-22 -^ 13-15, aurantio- 

 ^ufis; paraphysibus capitatis seu rarius obovato-claviformibus im- 

 inixtis, nsque ad 66 y.. longis, 15-17 y. latis; soris teleutosporife- 

 ris vulgo epiphyllis, sparsis vel aggregatis, aliis exiguis, rotunda- 

 lis, aliis majoribus, variis, primo sordide vel fusco-lutcis, mox i>i- 

 i^eo-fuscis, tandem subnigricantibus; teleutosporis oblongatis, 5-G- 

 gonis, episporio dilute fusco, protoplasma rubro-aurantium foven- 

 iibus, 32-15 ^ 13-17 ; sporidiolis spha>roideis, pallide aureis, circiter 

 10 y.. diam. 



llah. in foliis Salicum imprimis, Salicis caprea% au- 



