Davis — A Provisional List of Parasitic Fungi. 981 



WALDSTEINIA FRAGARIOIDES 

 Puccinia waldsteiniae, 90S 

 Ramularia waldsteiniae, 886 



XANTHIUM 



Erysiphe cichoracearum, 858 

 Puccinia cyperi, 905 



xanthii, 910 



Septoria xanthii, 877 1 



ZANTHOXYLUM AMERICANUM 

 Phyllactinia corylea, 859 

 Septoria pachyspora, 873 



ZEA MAYS 



Puccinia sorghi, 903 

 Ustilago zeae, 896 



ZIZANIA PALUSTRIS 



Claviceps, 860 

 Entylonia lineatum, 898 

 Sclerotium zizaniae, 91 T 



ZIZIA AUREA 



Cercospora ziziae, 893 

 Urophlyctis pluriannulata, 848-' 



ZIZIA CORDATA 



Cylindrosporium ziziae, 883 



ZYGADENUS CHLORANTHUS 

 Puccinia zygadeni, 907 



