Davis—A Provisional List of Parasitic Fungi, 
953 
QAKESIA SESSILIFOLIA 
Phyllosticta cruenta discincta, 865 
OENOTHERA BIENNIS 
Peronospora arthuri, 853 
Puccinia peckii, 906 
Septoria oenotherae, 873 
Uromyces piumbarius, 902 
OENOTHERA PUMILA 
Septoria oenotherae, 873 
ONOCLEA SENSIBILIS 
Uredinopsis mirahilis, 914 
ONOCLEA STRUTHIOPTERIS 
Uredinopsis struthiopteridis, 915 
ORYZOPSIS ASPERIFOLIA 
Puccinia milii, 903 
ORYZOPSIS RACEMOSA 
Claviceps, 860 
OSMORHIZA CLAYTONI 
Puccinia osmorhizae, 909 
Ramularia reticulata, 887 
Septoria osmorhizae, 874 
OSMORHIZA LONGISTYLIS 
Cercospora osmorhizae, 893 
Puccinia osmorhizae, 909 
Septoria osmorhizae, 874 
OSMUNDA CINNAMOMEA 
Uredinopsis osmundae, 915 
OSMUNDA CLAYTONIANA 
Uredinopsis osmundae, 915 
OSMUNDA REGALXS 
Uredinopsis osmundae, 915 
Ustilago osmundae, 896 
OSTRYA VIRGINIANA 
Phyllactinia corylea, 858 
Septoria ostryae, 870 
OXALIS CORNICULATA 
Microsphaera russellii, 857 
