XII. THECOPSORA Macn. in Hedw. 1875, p. 123. 

 Teleutosporae intracellulares, longitudinaliter divisac. 



Caetera prioris generis. 



XIII. MELAMPSORELLA Schroet. in Hedw. 1874, p. 85. 

 Teleutosporae intracellulares, simplices, breviter ellipsoi- 



deae, simplices, e mutua pressione angulatae, in stratum fir- 

 miusculum planum arcte coalitae, episporio hyalino, protoplas- 

 mate flavescente instructae, in planta hospita viva promyce- 

 lium, sporidia sphaeroidea, hyalina agens, explicantes. Sty- 

 losporae in pseudoperidio generatae. 



XIV. CRONARTIUM Fr. Obs. myc. I, p. 220. 

 Teleutosporae simplices, oblongatae, in columellam cy- 



lindraceo-elongatam, e medio pseudosporangio Uredinis as- 

 surgentem ex omni parte arctissime coalitae, in planta viva 

 rite evolutae. Stylosporae brunneae. Sporidia albida. 



Subfam. III. Coleosporeae. 



Teleutosporae cuneatae, s. obovoideo-oblongatae, locu- 

 lis singulis sterigma praelongum, sporidium unicum gerens, 

 protrudentibus, in stratum aurantiacum vel flavum arcte 

 coalitae jamque in planta viva rite evolutae. 



XV. COLEOSPORIUM Lev. in Ann. se. nat. sér. 3, t. 

 VIII, p. 373. 



Teleutosporae in stratum planum, mucosum stipatae. 

 Stylosporae in series moniliformes consociatae, aurantiacae 

 vel flavae, ecbinatae. 



Fam. I. USTILAGINEAE. 



1. USTILÄGO Link. 

 Sect. 1. Sporae laeves. 



1. Ust. segetum (Bull.) Ditm. in Sturm. Deutschl. 

 Flor. III, t. 33. 



