Davis — A Provisional List of Parasitic Fungi. 907 



PUCCINIA OBSCURA Schroet. 

 On Luzula campestris II, III. 



PUCCINIA ZYGADENI Trel. 



On Zygadenus chloranthus III. 



PUCCINIA ASPARAGI DC. 



On Asparagus officinalis II, III. 



PUCCINIA MESOMEGALA B. & C. 

 On Clintonia borealis III. 



PUCCINIA ALETRIDIS B. & C. 

 On Aletris farinosa II, III. 



PUCCINIA IRIDIS (DC.) Wallr. 

 On Iris versicolor II. 



PUCCINIA CYPRIPEDII Arth. 



On Cypripedium parviflorum II, III. 



PUCCINIA ORNATA Arth. & Hoi. 

 On Rumex Britaronica III. 



PUCCINIA POLYGONI-AMPHIBII Pers. 

 On Polygonum amphibium II, III. 

 hy drop. per oides II. 

 virginianum II, III. 

 aonvolvulus II, III. 

 Geranium maculatum I. 



PUCCINIA THALICTRI Che v. 

 On Thalictrum dioicum III. 

 dasycarpum III. 



PUCCINIA ANEMONES-VIRGINIANA Schw. 

 On Anemone cylindrica III. 

 virginiana III. 



PUCCINIA FUSCA (PeYs.) Wint. 

 On Anemone quinquefolia III. 



PUCCINIA CALTHAE Lk. 



On Caltha palustris II, III. 

 PUCCINIA ZOPFII Wint. 



On Caltha palustris III 



