XII. THECOPSORA Mac.>. in Hedw. 187.5, p. 123. 

 Teleutosporae intracellulares, longitudinaliter divisae. 

 Caetera prioris generis. 



Xm. 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 byalino, protoplas- 

 mate flavescente instructae, in planta hospita viva promyce- 

 lium, sporiilia 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 orani 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 aurantiacuin vel flavum arcte 

 coalitae jamque iu planta viva rite evolutae. 



XV. COLEOSPORIUM Lev. in Anu. sc. nat. ser. 3, t. 

 VIH, p. 373. 



Teleutosporae in stratum planum, mucosum stipatae. 

 Stylosporae in series moniliformes consociatae, aurantiacae 

 vel flavae, echinatae. 



Fam. I. USTILAGINEAE. 



1. USTILAGO Link. 

 Sect. 1. Sporae laeves. 



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

 Flor. III, t. 33. 



