LIST OF DISEASES OF ECONOMIC PLANTS 95 



SAMBUCUS. 



Sambucus spp., elderberry. 



Ascochyta wisconsinia Davis, leaf-spot. Wis. 



Cercospora catenospora Atk., leaf-spot. Ala., Miss., Tex., Kans. 



C. depazeoides (Desm.) Sacc, leaf-spot. N. Y., Ala., Ga., Ind., Iowa, Kans. 



C. lateritia Ell. and Hals., leaf-spot. Iowa, Kans. 



C. sambucina Ell. and Kell., leaf-spot. Wash. 



Cercosporella prolificans (Ell. and Holw.) Sacc, leaf-spot. Calif. 



Cytospora chrysosperma (Pers.) Fr., canker. Kans., Wash. 



Gloeosporium tineum Sacc, leaf -spot. Miss. 



Microsphaera alni (Wallr.) Wint., powdery mildew. N. Y., Pa., Ohio, 111. 



M. grossulariae (Wallr.) L6v., powdery mildew. Widespread east of Great 



Plains. 

 Nectria cinnabarina Fr., canker. Ind., N. Dak., Mont., Wash. 

 Phyllosticta sp., leaf-spot. Pa % 



Puccinia sambuci (Schw.) Artti., rust. East of Great Plains. 

 Ramularia glauca Ell. and Ev., leaf-spot. Colo. 

 R. sambucina Pk., leaf-spot. N. Y., Mo., Wash. 

 Septoria sambucina Pk., leaf -spot. Widespread. 



Sphaeropsis sambucina (Cke.) Sacc, canker. N. Y., Ind., N. Dak., Kans., 

 Colo., Calif. 



SAPINDUS. 



Sapindus sp., soapberry. 



Cylindrosporium griseum Heald and Wolf, leaf-blight. Tex. 

 Glomerella cingulata (Ston.) Spauld. and Schrenk, bitter-rot. Fla. 

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

 Uncinula circinata Cke. and Pk., powdery mildew. Tex. 



SASSAFRAS. 



S. variifolium, sassafras. 



Actinothyrium gloeosporioides L. R. Tehon, leaf-spot. 111. 



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



Fomes ribis (Schum.) Fr., root-rot. Mo. 



Gloeosporium affine Ell. and Kell., leaf-spot. N. J., S. C, Ohio, Ind., 111. 



G. officinale Ell. and Ev., leaf-spot. Del. 



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



Phyllosticta sassafras Cke., leaf -spot. Widespread in Eastern States. 



SCHINUS. 



S. molle, California peppertree. 



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



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

 rot. Tex. 

 Trametes schini J. G. Brown, timber-rot. Ariz. 



SECALE. 



S. cereale, rye. 



Bacterium translucens secalis C. S. Reddy, James Godkin, and A. G. John- 

 son, bacterial blight. Ind., 111., Wis. 



B. translucens undulosum EFS., L. R. Jones, and C. S. Reddy, black-chaff. 

 Wis. 



Claviceps purpurea (Fr.) Tul., ergot. General. 



Colletotrichum graminicolum (Ces.) Wils., anthracnose. General east of 

 Great Plains. 



Erysiphe graminis DC, powdery mildew. General. 



Fusarium culmorum leteius Sherb., seedling blight. Oreg. 



Gibberella saubinetii (Mont.) Sacc, scab. Occurs scatteringly east of Great 

 Plains. 



Helminthosporium sativum Pam., King, and Bak., leaf-spot, foot-rot. Pa., 

 N. Y., Minn.; probably other States. 



Marasmius tritici P. A. Young. 111. 



Ophiobolus graminis Sacc, take-all. N. Y. 



Puccinia dispersa Eriks., leaf -rust. General, especially east of Rocky Mts. 



P. glumarum (Schm.) Eriks. and Henn., stripe-rust. Wash., Oreg. 



P. graminis Pers., stem-rust. General. 



