32 MUSEO NACIONAL DE BUENOS AIRES. 



acervuli per epidermidem enimpeiites angulosi (150 ¡j.dm.) . 



sparsi V. hinc inde laxe gregarii; uredosporae spliaericae 



(20-22 a dm.) obscnre ferrugineae, episporio crassiusculo 



pertenuiter pulverulento-granuloso, endoplasmate grosse 1-2 



guttulato. 



An status uredosporicus Uromycetis striati Schrot? 



1314. Uredo ochracea Diet. = Speg., Myc. arg., n. 454:. 



Hal). Abunde ad folia viva Commelinae sulcatae prope 

 Catamarca, Dec. 1910. 



1315. Uredo oenothericola Speg. = Speg., Myc. arg., n. 455. 



Hab. Ad folia viva Oenotherae cujusdam in pratis prope 

 Santiago del Estero, Dio. 1910. 



1316. Uredo parthenii Speg. = Speg., Fung. arg. nov. v. crit. n. 

 508. 



Hab. Ad folia viva Parthenii hysteropliori vulgata in pra- 

 tis Potrerillos, prope Mendoza, Mart. 1910. 



1317. Uredo prosopidicola Speg. (n. sp.) 



Diag. Iructicola tumefaciens obsciwe ferruginea, uredospo- 

 ris obovatis v. subelUpticis majusculis fulvellis siibimperspicue 

 papillidosis. 



Hab. Ad legumina immatura Prosopidis campestris in 

 coUinis prope Catamarca, Nov. 1909. 



Obs. Legumina infecta tota v. pro parte tumefacto-defor- 

 mata; tumores pisi v. ovi gallinacei magnitudine, habita 

 tuberoso subcarnosi, extus dense rimuloso-reticulati, mox 

 a larvis insectorum excavati; acervuli per rimas tumorum 

 protrudentes ferruginei constipati et confluentes e carnosulo 

 subpulverulenti; uredosporae obovatae ellipticae v. obconi- 

 cae (30-50 ¡j. = 16-20 a) sessiles superne obtusae v. acutatae, 

 episporio antice saepius incrassato dense minuteque papillu- 

 loso postice tenuissimo laevi pallide fulvo, endoplasmate 

 grosse guttulato donatae. 



1318. Uredo polygonorum DO. = Speg., Fung. arg. i, p. 41. 



Hab. Ad folia viva Polygoni acris in uliginosis prope Ca- 

 lilegua, Jujuy, Oct. 1911. 



Obs. Species vulgatissima per totam Americam meridiona- 

 lem sed adkuc status ejusdem teleutosporicus non inven tus. 



Uredosporae subglobosae (22-26 ;-«. dm.) ferrugineae dense 

 minuteque papillulosae. 



1319. Uredo polymniae P. Henn. == Sacc, Syll. fung. xvi, pag. 355. 



Hab. Abunde ad folia viva Polymniae sonchifoUae in uli- 

 ginosis Insulae Santiago, prope La Plata, Dec. 1910. 



