

LIST OF DISEASES OF ECONOMIC PLANTS 45 



ERYTHRINA. 



E. crista-galli, coraltree. 



Cercospora erythrinae Ell. and Ev., leaf-spot. La. 

 ESCHSCHOLTZIA. 



E. calif ornica, California poppy. 



Entyloma eschscholtziae Hark., smut. Calif. 



Heterodera radicicola (Greef) Muell., root-knot. 



EUCALYPTUS. 



Eucalyptus spp., eucalyptus. 



Bacterium tumefaciens EFS. and Town. (Phytomonas tumefaciens (EFS. and 



Town.) Com. S. A. B.), crown-gall. Calif. 

 Botrytis sp., gray-mold. Calif. 

 Diaporthe eucalyptica Hark. Calif. 

 Fomes applanatus (Pers.) Wallr. (Ganoderma applanation (Pers.) Pat.),. 



white-streaked rot. Calif. 

 Hendersonia coryneoidea Cke. and Hark., leaf -spot. Calif. 

 H. eucalypti Cke. and Hark., leaf -spot. Calif. 

 Macrophoma molleriana (Thuem.) Berl. Calif. 

 Pezizella lythri (Desm.) Shear and B. O. Dodge, leaf-spot. Calif. 

 Phyllosticta eucalypti Ell. and Ev., leaf -spot. Calif. 

 P. extensa Sacc. and Syd., leaf-spot. Calif. 

 Physalospora latitans Sacc. Calif. 

 P. suberumpens Ell. and Ev. Calif. 

 Polyporus schweinitzii Fr., red-brown butt-rot. Calif. 

 Septoria ceuthosporoides (Cke.) Sacc, leaf -spot. Calif. 

 S. mortolensis Penz. and Sacc, leaf-spot. Calif. 

 Damping-off (seedlings), undet. Calif. 

 Powdery mildew (seedlings), undet. Calif. 



EUCHLAENA. 



E. mexicana, teosinte. 



Helminthosporium turcicum Pass., leaf-blight. Tex. 



Physoderma zeae-maydis Shaw, brown-spot. Fla.. La. 



Puccinia sorghi Schw., rust. Nebr. 



Ustilago zeae (Beckm.) Ung., smut. Conn., Ala., 111., Iowa, Kans. 



EUONYMUS. 



Euonymus spp., burningbush, wahoo. 



Bacterium tumefaciens EFS. and Town. (Phytomonas tumefaciens (EFS 



and Town.) Com. S. A. B.), crown-gall. Conn. 

 Cercospora destructiva Rav., leaf-spot. S. C, Miss. 

 C. evonymi Ell., leaf-spot. Ky., 111., Nebr., Kans. 

 Cladosporium fasciculatum Cda. S. C. 



Colletotrichum griseum Heald and Wolf, anthracnose. La., Tex. 

 Exosporium concentricum Heald and Wolf, leaf-spot. Tex. 

 Gloeosporium frigidum Sacc, anthracnose. Miss. 

 Marssonia thomasiana Sacc, leaf-spot. Mich., Wis., 111. 

 Microsphaera alni (Wallr.) Wint., powdery mildew. Ind., 111., Iowa, Nebr.^ 



Miss. 

 M . euonymi (DC.) Sacc, powdery mildew. N. J., Miss., Ohio, Minn. 

 Oidium euonymi-japonici (G. Arcangeli) Sacc, powdery mildew. La. 

 Ozonium omnivorum Shear (Phymatotrichum omnivorum (Shear) Dug.) ; . 



root-rot. Tex. 

 Phyllosticta evonymi Sacc, leaf -spot. Del. 

 P. pollens Ell. and Ev., leaf -spot. Ala., Tex., Ind. 

 Ramularia euonymi Ell. and Kell., leaf-spot. Mo., Kans. 

 Septoria euonymi Rabh., leaf -spot. Va. 



EUPHORBIA. 



E. marginata, snow-on-the-mountain. 



Alternaria tenuis Nees, leaf-spot. Kans. 



Microsphaera euphorbiae (Pk.) Berk, and Curt., powdery mildew. Ind.,. 



Mo., Kans. 

 Puccinia pammelii (Trel.) Arth., rust. Miss. Valley and Mo. Valley States. 

 Uromyces proeminens (DC.) Pass., rust. Great Plains, Upper Miss. Valley. 



