GENERAL CLASSIFICATION OF USTILAGINES. 



GROUP X.-USTILAGINES, TUL. 

 Order LV.— Ustilaginace^ — Parasitic. Mycelium soon disappearing. Spores virtually all unicellular. 



AKKANGEMENT OF GENERA (11). 



Section 1. Amorospora?, Sacc. and De Toui — Spores continuous, sub-solitaiy. 



Genera (4) — 



378. Ustilago, Pers. I 380. Entyloma, De Bary. I o8I. Sphacelotheca, De Bary. 



379. Tilletia, Tul. | ' | 



Section 2. Dictyospora;, Sacc. and De Toui — Spores agglomerated. 

 Genera (4J — 



382. Doassansia, Cornu. 

 383 Thecaphora, Fing. 



384. Sorosporium, Rud. 



385. Urocystis, Rabh. 



Exceptional — Genera (3) — 



386. Grapliiola, Poit. | 387. Corebella, Ces. [ 388. Schinzia, NsBg. 



