PHYLOGENY 83 
From these considerations the probable phylogeny of the 
Uredinales may be represented as in the following schemes. 
Ascomycetes Basidiomycetes 
Uredinales 
- Ustilaginales 
Rhodophycese 
Pucciniacese 
Coleosporiacese 
Endophyll 
ndop ie Cronartiacex 
(Endophyllum-like) Melampsoracese 
Primitive Uredine | 
