Ad Sempervlvi tectoriim folia viva, raro. Ca. Offen- 

 bach. * 

 25. a. Melampsora popiilina Bcsmasier. *). 



1. Forma: Tremulae. 



I. Ureclo ejus. 

 Syn. Ureclo ovata Stss. 



II. Melampsora propria. 



Syn. Sclerotlum populeum Fr., Moug. et Nestlr. .3^5. 

 In Populi Tremulac foliis, frequens. Aestate. '^ 

 25. b. Melainpsora popiilina Dcsmamer. 



2. Forma : Populi albae. 

 I. Uredo ejus. 



Svn. Uredo aecidioides DeC. 

 In Populi albae foliis, raro. Aestate. * 

 25. c. Melampsora popnlina Desmxmer. 



3. Forma: Populi. 

 I. Uredo ejus. 



Syn. Uredo longicapsukris DeC. 



II. Melampsora propria, 

 Syn. Sclerotium populeum Fr., Moug. ct Nestlr. 385. 

 In Populi nigrae et pyramidalis foliis , frequcns. 

 Aestate. "^ 

 2G. Mclampsora Carpini. 



I. Uredo cjus. 

 Syn. Uredo longicapsularis Form. Carpini Bahcnh. Hb. 

 myc. JW 05. 



In ejusdem foliis, raro. Autumno. Ca. Rauenthal. "'• 

 27. Melampsora Eiipliorbiae Tulasne. 



I. Uredo ejus. 

 Syn. Uredo Eupliorbiae Pers. 



*) Coleosporiiini, Lromyces, Cronartiuni, Phragmidiuni, Triphragmiiim, 

 Puccinia, Puccinella, Meiampsora et Xenodochus biformia sunt, e 

 duabus fructilicationibus formantur: 

 Uredinibus eorum. 

 b, Coieosporiis etc, propriis. 



