UredJnacPjT Amero.sporpfi, Urouiyces 263 



iiif«o.t.'»! plus miiiufive tumeta.otH> et tblia s.>'pius donsc ciroiuato- 

 intricata, sordide fuscescenbss v. ciueresceiites. Species (J Anx^rjhi- 

 n-of S[»eg. sat atlfiniy : an ejus;dem forraa major ? 

 24 Uromyces ? Ameghinoi Speg. Fg. Arg. novi v. fiit., p. 217 (1899j. 919 

 — Maculis tiullis vp| ampliigeiiis. indetermiuatij», pailescentibus ; 

 soris liypophyllis , hinc iude airgi-egatib saipenue conflu^^ntibus, 

 convexulis, 1-3 mui. (iiaiu., innMto-supevfi(',ialibu.s, uon erumponti- 

 bus, iiudis, testaceis; teleuto.spori.'^ levibus. obovatii; v. .spatbulatis, 

 apico acutis v obtusis, ssepeciue subtruncatis v. etiarn retusis, 30- 

 35 « 16-18. tunica crassissima vestitis. suprrne t^>staceis, deorsura 

 pallidioribus cuueatis ac iu pedicellum lougiorem, 60-80 * 5-6, hya- 

 linum productis, eudoj)iasraate nubiloso eguttulato liyalino farotis. 

 Hah. in foliis vivis Senecioiiis levicaulis in Puerto De 

 seado Patagoniap Ameohtno — Species anomala charact-eribus 

 pluribus ad Puccinmni vergens. sed teleutopporo} seraper 1 -cellu 

 lare^. 

 25. Uromyces oblongisporus Eil et Ev. Bull Ton. Bot. Cl 1898, 920 

 p. 507. — So]-ip orbicularibua, ca 1 mm. diam ^ applauatis, atris, 

 uudis, puiverulentis, amphigenis; teleutosporiH oblongis v. oblon- 

 go-elJipticis, 22-30-14-16, episporio levi vei leniter echinulato, 

 apice leniter incrai>satis, obscure castaneis ; pedicollo brevissirao, 

 10-12 fA. longo, fragili, hyaliuo, paraphysibus liueari lanceolatis, 

 byalinis. 



Hub. in foliis Artemisise tridentatse, Wyoming Ameri- 

 oie borealis. 

 2('«. Uromyces Trichoclines P Henn. Hedw. 1899, p. (67). — Maculis 921 

 atro-brunneis; soiis hypophyliis, gregariitj, atro-bruuneis ; teleuto- 

 sporis fusoideis vel clavatis, apiee incrassatis, obtut:e applanatis, 

 mterdum subpapillatis, bvunneis, Jevibus, 2B-,^G v 18-21 ; pediceilo 

 hyalino -fuscescente. oa. 30 ■).. ioDgo. 



Hab. in foliis T r 1 c h o<; I i nes po I \ mo r p h a^, , Rio de Ja- 

 neiro Brasilire ,'Ulf.\ 

 27 Uromyces Holmbergii Speg. — Syll. IX, pag 293 (Diagnosis in- 928 

 completa). — Soris uredosporifevi.s anipliigeuis, macniis paliesc.en- 

 tibus indeterminatis in5;identibu;7, 3-20 gregariis, snepe circinanti- 

 bus, epidermide reiaxata tectis, dein. ea fi.ssa, cinotis, obsruT'e fu- 

 sco-fulvis, snbpulveruleatis; uredosporiR ovatie vel giobosis, 24- 

 30*^22-25, tenuiter tunicatis. dense Tnmuttiqae granuiosis, 1 -gut- 

 tuialis, fusco-fuligineis, peilu.cidis; pedicello hyaiiuo persistente v. 

 deciduo 25-30^4-5 fullis: soris toieutosporife.ris priecedentibus si- 



