LIST OF DISEASES OF ECONOMIC PLANTS 47 



FICUS— Continued. 



F. elastica, India rubbertree. 



Glomerella cingulata (Ston.) Spauld. and Schrenk, anthracnose. Miss. 

 Phyllosticta roberti L. Boyer and Jacz., leaf -spot. Fla. 



FILIPENDULA. 



Filipendula sp., meadowsweet. 

 Cylindrosporium sp. Conn. 

 Septoria ulmariae Oud., leaf -spot. Conn. 

 Sphaerotheca humuli (DC.) Burr., powdery mildew. Vt. 

 Triphragmium ulmariae (Schum.) Lk., rust. Ind. 



FORSYTHIA. 



Forsythia sp., forsythia, *goldenbell. 



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



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

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

 Phyllosticta discincola Ell. and Ev., leaf -spot. Md. 

 P. terminalis Ell. and Mart., leaf-spot. Fla. 



FRAGARIA. 



Frag aria sp., strawberry. 



Armillaria mellea (Vahl) Quel., root-rot. Oreg. 



Botrytis cinerea Auct., gray-mold rot. General. 



Corticium vagum Berk, and Curt., crown-rot. Wash. 



Dendrophoma obscurans (Ell. and Ev.) H. W. Anderson, angular spot. 

 N. J., Md., Va., W. Va., S. C, 111., Mich., Minn., Mo. 



Diplocarpon earliana (Ell. and Ev.) Wolf (Marssonia fragariae Sacc), leaf- 

 scorch. East of Miss. River; Wis., Mont. 



Heterodera radicicola (Greef) Muell., root-knot. Ark., Miss., Wash. 



Mycosphaerella fragariae (Tul.) Lindau, leaf -spot. General. 



Pezizella lythri (Desm.) Shear and B. O. Dodge, tan brown-rot. Me., Md., 

 Va., Fla., La., Ark., Ohio, Wis. 



Phyllosticta fragaricola Desm. and Rob., leaf-spot. N. J., Fla. 



Phytophthora cactorum (Leb. and Cohn) Schroet., leather rot. Ky., Tenn., 

 Ark., 111., Mo., Miss., La. 



Pythium sp., lilac soft-rot. Tenn. 



Rhabdospora fragaria Atk., leaf -spot. 111. 



Rhizoctonia sp., hard brown-rot (fruit). Tenn., N. C, Fla. 



Rhizopus nigricans Ehr., leak. General east of Great Plains. 



Sclerotinia sclerotiorum (Lib.) Mass., crown-rot. La., Miss., Tenn., Ark., 

 Mo., Ohio. 



Sclerotium rolfsii Sacc, stem-rot. Fla. 



Sphaeronemella fragariae F. L. Stevens and A. Peterson, fruit-rot. Fla., La. 



Sphaeropsis sp., black-rot. 111. 



Sphaerotheca humuli (DC.) Burr., powdery mildew. General. 



Tylenchus dipsaci (Kuehn) Bast., stem nematode. Wash., Oreg. 



Black-root, undet. Tenn., Fla., Ala., Mich., Wis., Colo. 



FRAXINUS. 



Fraxinus spp., ash. 



Cercospora fraxinea Ell. and Ev., leaf -spot. Kans. 



C. fraxinites Ell. and Ev., leaf-spot. Fla., La., Tex. 



C. superflua Ell. and Holw., leaf -spot. Iowa. 



C. texensis Ell. and Gall., leaf -spot. Tex. 



Cercosporella trichophila Davis, leaf-spot. Wis. 



Cladosporium epiphyllum (Pers.) C. Martius, leaf-spot. N. Y. 



Cylindrosporium calif ornicum Earle, leaf-spot. Oreg. 



C. fraxini Ell. and Kell., leaf-spot. Md., Mich., Kans., Pacific coast. 



C. minor Ell. and Kell., leaf -spot. Kans. 



C. viridis Ell. and Kell., leaf-spot. La., Tex., Wash. 



Fomes fraxinophilus Pk., white heartwood rot. Widespread. 



Gloeosporium aridum Ell. and Holw., anthracnose. Conn., Mass., Pa., Ohio, 



Mich., Wis. 

 G. decipiens Ell. and Ev., spot. Iowa, Kans., Tex. 

 G. fraxini Hark., anthracnose. N. Y., Mich., Calif. 

 Leptosphaeria fraxini Ell. and Ev. Mo. 

 Marssonia fraxini Ell. and Davis, leaf -spot. Wis. 



