tjredinaceae, Amerospora?, Melampsora. 265 



20-25 \x. diam., episporio tenui dense minuteque papilloso vestitis, 

 grosse 1-guttulatis, rufo-fumosis ; teleutosporis subcylindraceis, 

 60-80 w 10-15, levibus apice truncatis, episporio antice incrassato 

 atque infuscato vestitis. 



Hab. in foliis, petiolis caulibusque vivis Crotonis hirti pr. 

 Cordoba Argentiniae. — Mel: HeMoscopice (Pers.) Cast. peraffinis 

 sed notis plurimis, ut videtur, sat distincta. 



4. Melampsora microsora Diet. in Bot. Jahrb. 1902, p. 50. — Soris 907 

 uredo- et teleutosporiferis minutissimis, nudis oculis singulis vix 

 conspicuis, hypophyllis; uredosporis ellipsoideis, echinulatis, 15-20 « 

 13-17; paraphysibus capitatis vel clavatis intermixtis; teleutosporis 

 cuneato-prismaticis, 20-35 « 10-18, apice vix incrassatis, brunneis. 



Hab. in foliis Salicis nipponicse prope Tokyo Japoni;e 



(KuSAM)). 



5. Melampsora humilis Diet. in Bot. Jahrb. 1902, pag. 50. — Soris 908 

 uredosporiferis in maculis flavidulis, fuscis v. violaceo-rubiginosis, 

 hypophyllis, singulis etiam epiphyllis, sparsis v. in acervulos cir- 

 culares, semicirculares irregularesve dispositis, minutis, aureis ; 

 uredosporis ellipsoideis v. obovatis, verrucosis, 17-20 «12-19; pa- 

 raphysibus capitatis, superne usque 22 jjl. latis, intermixtis; soris 

 teleutosporiferis hypophyllis in maculis nigricantibus v. arescen- 

 tibus, sparsis v. dense confertis, planiusculis, nigris, epidermide 

 tectis; teleutosporis cuneatis v. subcubicis, 13-25*6-15, episporio 

 tenui, apice haud incrassato proeditis. 



Hab. in foliis Salicis multinervis, Tokyo Japoni;r 

 (Miyoshi et Kusano). 



6. Melampsora epiphylla Diet. in Bot. Jahrb. 1902, p. 50. — Soris 909 

 uredosporiferis in maculis melleis hypophyllis, minutissimis, spar- 

 sis; uredosporis ellipsoideis vel subglobosis, 12-15*11-13, echinu- 

 latis, aurantiacis; paraphysibus clavatis intermixtis; soris teleuto- 

 sporiferis epiphyllis, sub cuticula orientibus, sparsis vel sicpe con- 

 fertis, atro-fuscis; teleutosporis prismaticis vel cuneatis, apice 

 modice incrassatis, 30-45 * 7-13. 



Tlab. in foliis Salicis Shikokianas, Nikko Jap. (Kusano). 



7. Melampsora coleosporioides Diet. in Bot. Jahrb. 1902, p. 50. — 910 

 Soris uredosporiferis in pagina inferiori foliorum dispersis, minutis, 

 aureis; uredosporis obovatis vel piriformibus, 20-27*13-20, echi- 

 nulatis; paraphysibus capitatis, superne 14-20 ;j.. latis intermixtis; 

 soris teleutosporiferis amphigenis, minutis, saepe confertis, flavo- 

 rufis; teleutosporis prismaticis, 20-35*7-13. 



