UstilaKinacean, Usr.ilag-o. y7l 



sis, tenue tuuicatis, levjssimis, .intus deiise granulosis, 5«<i non re- 

 ticulatis, olivaoeis, pellucidis, 10-12 [x. diaiii. 



Hab in spiculis "Panlci spectabilis in paludosis, ius. San- 

 tingo pr. La Plata Argentinae. — f/. Panici-miliacei (Pers.) Wint. 

 atfinis, sed liabitu jiiox dignoscenda ; ab U. sphwrogena Burr. spo 

 ris levibus recodcns. 



23. Ustilago Dieteliana P. Ilenn." Hedw. 1898, p. 268. — Soris atro- 1371 

 olivaccis, ad apicem culmorurn in rhachidibus paniculisque, pulve- 



uleutis ; sporis siil^globosis v. eliipsoideis, fusco-olivaceis, 12-14 «* 

 ll*/.,-13yj, epiyporio atro-brunneo, verrucis obtusis vi^ promi- 

 .lulls. 



HaJ). in paniculis Tripsaci dactyloidis praurbem Mexico 

 Amer. centr. (Holway). 



24. Ustilago dactyloctaeniophila P. Henn. Hedw. 1898, pag. (66), — 13-32 

 Soris atris, ovaria floresque deformantibus, globosis pulverulentis; 

 Spbris subglobosis "V. ellipsoideis^ acutangulis, granulatis, 9-14^8- 



13, episporio castaneo, levi. 



-HaZ». in spicis Dacty loct.Tiu ii mucronati, JRio de Janeiro 

 Bi'asilise (^Uu-;). 



25. Ustilago deserticola Speg. Fg. Arg. novi v. orit,, p. 209 (1899). 1373 

 — Acervulis iVisco-atris, tenuibus, subepidGrmicis, superficieoi in- 

 tern^xlior.um lufestantibus sed non deformaDtibus, ob bracteas atque 

 vaginas foliorum peraegre perspi is , sporis e. globoso irregulari- 



t^r obtuseque angulosis, seepe coinpressuUs, 6-7 ja. diam., episporio 

 Jevi, crasso vestitis, fusco-fuligir^eis. 



Hab. in culmis et rbizomatlbus Chloridis spec. in sabulosis 

 pr. Amblaio, prov. Salfa Argeritiuic, 



26. Ustilago chloridicola P- Henn. Hedw. 1898, pag. 267. — Soris iS7i 

 atro-oHTaceis ad apicem culnioruni iu apiculis rha^bidibusque, pul • 

 vorulentis; sporis globosis, 6-8 ^. diam., episporio fusco-olivaceo, 

 puuctafco, suloverrucoso. 



Ilab. in spjcis Chloridis spec. , Pott^r Vallry Californice 



(PURPUS). 



-27. Ustilago /Egopogonis P. Henn. Iledw. 1898, pag. 267. - Soris 1375 

 atris inilorescentias destruentibus, primo inclusis dein pulverulen- 

 tis ; sporis subglobosis vel late ellipsoidpis, interdum acutangulis, 

 fu8Co-olivaceis intus granulatis, 1 2-14^ 11-13, episporio atro-brun- 

 noo, sublevi v. minute granuloso. 



Hab. in infloreacentiis ^gopogonis cenohroldis pr ur- 

 bem Mexico Amer. centr. (Holway). 



