48 BULLETIN 1366, U. S. DEPARTMENT OF AGRICULTURE 



FRAXINUS— Continued. 



Fraxinus spp., ash — Continued. 



Ozonium omnivorum Shear (Phymatotrichum omnivorum (Shear) Dug.), root- 

 rot. Tex. 



Phoradendron flavescens (Pursh) Nutt., mistletoe. Tex., Ind., Ariz. 



Phyllactinia corylea (Pers.) Karst., powdery mildew. Northeastern States. 



Phyllosticta fraxinicola (F. Currey) Ell. and Ev., leaf -spot. East of Great 

 Plains 



P. viridis Ell. and Kell., leaf-spot. Widespread. 



Piggotia fraxini Berk, and Curt., leaf-spot. General. 



Puccinia fraxinata (Lk.) Arth., rust. General east of Great Plains. 



Ramularia fraxinea Davis, leaf -spot. Wis. 



Septoria besseyi Pk., leaf -spot. Wis., Iowa. 



S. fraxini Desrn., leaf-spot. Fla., La., Mich., Minn. 



S. leucostroma Ell. and Ev., leaf-spot. Mass., Ind. 



S. submaculata Wint., leaf-spot. Mo., Tex. 



GAILLARDIA. 



G. aristata, gaillardia. 



Bullaria gaillardiae (Diet, and Holw.) Arth. and E. B. Mains (JJredo gaillar- 



' diae Diet, and Holw.), rust. Calif. 



Erysiphe cichoracearum DC, powdery mildew. Mont. 

 G. pulchella, rose ring gaillardia. 



Entyloma polysporum (Pk.) Farl., smut. Nebr., Kans. 



Septoria gaillardiae Ell. and Ev., leaf -spot. Kans. 



GARDENIA. 



G. florida, Cape-jasmine. 



Heterodera radicicola (Greef) Muell., root-knot. Tex., Calif, (greenhouse). 

 GARRYA. 



G. elliptica, silktassel-bush. 



Cercospora garryae Hark., leaf -spot. Calif. 



C. glomerata Hark., leaf -spot. Calif. 



Phyllosticta garryae Cke. and Hark., leaf-spot. Calif. 



GAULTHERIA. 



G. shallon, salal. 



Phyllosticta gaultheriae Ell. and Ev., leaf-spot. Pacific coast. 

 GAYLTJSSACIA. 



Gaylussacia sp., huckleberry. 



Exobasidium vaccinii (Fckl.) Wor., hvpertrophv. Atlantic Coast States; 



Mich., Wis. 

 Guignardia vaccinii Shear, scald. Md. 

 Microsphaera alni vaccinii (Schw.) Salm., powder v mildew. Mass., N. J., 



Md., 111., Wis. 

 Pucciniastrum myrtilli (Schum.) Arth., rust. Mass.. Conn., N. Y., Pa.', 



Va. 

 Rhytisma vaccinii Ft., tar-spot. Mass. 

 Synchyirium vaccinii F. Thomas, red-gall. N. J. 



GEISEMIUM. 



G. semper vir ens, Carolina-jessamine. 



Phyllosticta gelsemii Ell. and Ev., leaf-spot. N. J. 

 GLADIOLUS. 



Gladiolus sp., gladiolus. 



Alter naria fasciculata (Cke. and Ell.) L. R. Jones and A. J. Grout. Pa. 

 Bacterium gummisudans McC, bacterial blight. Mich., Minn., N. Dak. 

 B. marginatum McC. (Phytomonas marginata (McC.) Com. S. A. B.), stem- 

 rot, scab. Widely distributed. 

 Corticium vagum Berk, and Curt., root-rot. N. Dak. 

 Didymellina iridis (Desm.) Hoehn., leaf -spot. Md. 

 Fusarium sp., rot. Widely distributed. 

 Phyllosticta gladioli Ell. and Ev., leaf -spot. Ala. 

 Sclerotium sp., dry-rot. Widespread. 

 Septoria gladioli Pass., hard-rot, leaf-spot. General wherever host is grown. 



