UREDINACEAE 09 



(i) Teleutospores mucose ; uredospores lacking 



Masseella 14: 292 

 (2) Teleutospores not mucose; uredospores present 



(a) Uredospores in a pseudoperidium 



Cronartium 7:597 



(b) Uredospores not in a pseudoperidium 



Skierka 16: 271 



II. Teleutospores absent; pycnia, aecia or uredinia only 



1. Spores in a pseudoperidium or cup 



a. Spores in pycnia Aecidiolum 7:773 



b. Spores in aecia 



(1) Aecia cup-shaped, usually dentate or crenate at margin 



Aecidium 7: 774 



(2) Aecia cylindric, margin fimbriate 



Roestelia 7: 833 



(3) Aecia irregular, more or less globose 



(a) Spores catenate; on conifers Peridermium 7: 835 



(b) Spores free; not on conifers Pericladium 7: 838 



2. Spores not in a pseudoperidium ; uredinia 



a. Spores single Uredo 7:838 



b. Spores catenate Caeoma 7:863 



Didymosporae 



Teleutospores 2-celled, colored or hyaline 



I. Teleutospores absent; aecia alone present 



Aecidiella 14: 389 



II. Teleutospores present 



1. Sori horizontal 



a. Teleutospores catenate, in a pseudoperidium 



fDidymosira 11:205 

 (Pucciniosira) 



b. Teleutospores single 



(1) Teleutospores not in a pseudoperidium 



(a) Teleutospores subpenicillate at each end 



Dasyspora 9: 313 



(b) Teleutospores not penicillate 



x. Pedicel of spore with a hyaline gelatinous sheath 



fColeoma 9: 313 

 (Coleopuccinia) 

 y. Pedicel without gelatinous sheath 



(x) Teleutospores longitudinally i-septate 



Diorchidium 7:736 

 (y) Teleutospores transversely i-septate 

 m. Teleutospores with a hyaline integument 



Uropyxis 7: 735 

 n. Teleutospores without hyaline integument 



