94 BULLETIN 1366, U. S. DEPABTMENT OF AGBICULTUBE 



RUBTJS — Continued. 



Rubus sp., raspberry — Continued. 



Sphaerotheca humuli (DC.) Wint., powdery mildew. Conn., N. Y., Ohio, 



111., Minn., Utah, Wash. 

 Verticillium alboatrum Reinke and Berth., bluestem, wilt. N. Y., Ohio, 



Mich., Minn., Wash., Oreg., Calif. 

 Leaf-curl, undet. N. Y., Md., Pa., Ohio, Ind., Mich., Wis., Minn., Wash., 



Oreg., Calif. 

 Mosaic, undet. Northeastern States; Minn., Pacific Northwest. 

 Streak, undet. Conn., N. Y., Pa., Md., Ohio, Ind., 111., Wis., Oreg. 



RUDBECKIA. 



R. laciniata, *goldenglow, coneflower. 



Cercospora tabacina Ell. and Ev., leaf -spot. Wis. 



Entyloma compositarum Farl., smut. Ohio, Iowa, Mo. 



Erysiphe dehor acearum DC, powdery mildew. N. H., Conn., Md., W. Va. r 



Ohio, Ind., Mich., Minn. 

 Phyllosticta rudbeckiae Ell. and Ev., leaf-spot. Wis., Iowa. 

 Plasmopara halstedii Farl., downy mildew. N. Dak., Iowa. 

 Ramularia rudbeckiae Pk., leaf-spot. N. Y., Pa., Mich., Iowa, Mont., Colo. 

 Septoria rudbeckiae Ell. and Hals., leaf -spot. Nebr., Kans. 

 Uromyces perigynius Hals., rust. Pa., Wis., Iowa, Mo., N. Dak., S. Dak. r 



Nebr., Mont. 

 U. rudbeckiae Arth. and Holw., rust. Ind., 111., Miss. River to Rocky 



Mts.; N. Mex. 



SACCHARUM. 



S. officinarum, sugarcane. 



Cercospora vaginae W. Krueger, red-spot. Fla. 



Colletotrichum falcatum F. A. Went, red-rot. Gulf States; Ark. 



Gnomonia iliau H. L. Lyon, stem-rot, Iliau disease. La. 



Helminthosporium sacchari Butl., eye leaf -spot. Ga., Fla., Miss. 



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



Leptosphaeria sacchari Van Breda de Haan, ring-spot. Fla., Ala. 



Marasmius sacchari J. H. Wakker, root-rot. Gulf States. 



M. stenophyllus Mont., root-rot. La., Tex. 



Melanconium sacchari Mass., rind disease. Fla., La. 



Phyllosticta sp., leaf -spot. Ga. 



Sclerotimn rolfsii Sacc, sheath-rot. Ga., Fla., Ala., La. 



Thielaviopsis paradoxa (DeSeyn.) Hoehn., pineapple disease. Miss., La. 



Mosaic, undet. Gulf States; Ga., Ark. 



SALIX. 



Salix spp., willow. 



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



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

 Cercospora salicina Ell. and Ev., leaf-spot. 111., La., Tex. 

 Coryneum salicinum (Cda.) Sacc, leaf-spot. N. Dak., Alaska. 

 Cytospora chrysosperma (Pers.) Fr., canker. Western States; Ind., Minn. 

 Gloeosporium maculans Pk., leaf-spot. Idaho. 

 G. salicis West., leaf-spot. N. Y., N. J., Wis., Oreg. 

 Marssonia sp., twig-blight. Wash. 

 Marssonina populi (Lib.) Magn., leaf-spot. Wis. 

 Melampsora americana Arth., rust. General. 

 M. arctica Rostr., rust. Colo. 

 M. bigelowii Thuem., leaf-rust. General. 



M. confluens (Pers.) Jack., rust. General, especially in Western States. 

 Nectria galligena Bres., European canker. Oreg. 

 Phoradendron flavescens (Pursh) Nutt., mistletoe. Ind., Calif. 

 Phyllosticta apicalis Davis, leaf-spot. Wis. 

 Ramularia rosea (Fckl.) Sacc, leaf-spot. Wis., Colo. 

 Rhytisma salicinum Fr., tar-spot. Widespread. 

 Septoria albaniensis Thuem., leaf -spot. Mass., N. Y., Wis., Minn. 

 S. didyma Fckl., leaf-spot. Wis. 

 S. salicina Pk., leaf-spot. N. Y., Miss., Kans., Colo. 

 Trametes suaveolens Fr., white wood-rot. N. Y., N. J., Wis., Minn., Mo. 

 Uncinula salicis (DC.) Wint., powdery mildew. General. 



