96 BULLETIN 1366, U. S. DEPARTMENT OF AGRICULTURE 



SECAIE — Continued. 



S. cereale, rye — Continued. 



Rhynchosporium secalis (Oud.) Davis, scald. Upper Miss. Valley; Wash., 



Calif. 

 Septoria secalis Prill, and Del., leaf -blotch. East of Great Plains. 

 Tilletia tritici (Bjerk.) Wint., covered smut. N. Y., Wash.. 

 Tylenchus tritici (Stein.) Bast., nematode. Va., S. C, Kans. 

 Urocystis occulta (Wallr.) Rabh., stem-smut. General east of Great Plains, 



occasional in West. 

 Ustilago tritici (Pers.) Rostr., loose-smut. Infrequent in Eastern States. 

 Mosaic, undet. Va., 111. 



SEQUOIA. 



S. gigantea, big tree. 



Cercospora sequoiae Ell. and Ev., leaf-spot. Pa. 

 S. semper vir ens, redwood. 



Botrytis cinerea Auct., gray-mold. 



Hexagonia carbonaria Berk, and Curt., brown-rot. Calif. 



Polyporus amorphus Ft., rot. Calif. 



Trametes isabellina Ft., white-rot. Calif. 



T. odorata (Wulf.) Fr., brown-rot. Calif. 



SHEPHERDIA. 



S. argentea, silver buffaloberry. 



Phyllactinia corylea (Pers.) Karst., powdery mildew. Oreg. 



Puccinia coronata Cda., crown-rust. N. Dak., Nebr., Mont., Wyo., Colo. 



S'phaerotheca humuli (DC.) Burr., powdery mildew. Colo., Mont. 

 S. canadensis, russet buffaloberry. 



Puccinia caricis-shepherdiae Davis, rust. N. Y., Mich., Wis., S. Dak. 



P. coronata Cda., crown-rust. Occurs scatteringly in Rocky Mt. States 

 and Pacific Coast States. 



SOJA. 



S. max, soybean. 



Bacillus lathyri Manns and Taub., streak. Del., Nebr. 



Bacterium glycineum Coerper, bacterial blight. Pa., Ind., 111., Wis., Miss., 

 La. 



B. phaseoli sojense Hedges, bacterial pustule. Va., N. C, S. C, La., Tex., 

 Ark., Kans. 



B. sojae Wolf, bacterial blight. Conn., N. C, S. C, La., Mich., Wis., Nebr. 



B. solanacearum EFS. (Phytomonas solanaceara (EFS.) Com. S. A. B.), 

 bacterial wilt. N. C. 



Botrytis cinerea Auct., gray-mold. Ohio. 



Cercospora cruenta Sacc, leaf -spot. Ala. 



Corticium vagum Berk, and Curt., stem-rot. Tenn., Ind. 



Diaporthe sojae S. G. Lehman, pod-blight. N. C, Ind. 



Erysiphe polygoni DC, powdery mildew. N. C. 



Fusarium vasinfectum tracheiphilum EFS., wilt. Southern States; Ind. 



Glomerella cingulata (Ston.) Spauld. and Schrenk, anthracnose. N. C. 



Heterodera radicicola (Greef) Muell., root-knot. S. C, Ark., Calif. 



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

 rot. Tex. 



Peronospora sojae Wolf, downy mildew. Del., Ky., N. C. 



P. trifoliorum D By., downy mildew. N. Y. 



Sclerotinia sclerotiorum (Lib.) Mass., stem-rot. Va. 



Sclerotium rolfsii Sacc, stem-rot. N. C, S. C, Ala., Miss., La. 



Septoria glycines Takewo Hemmi, leaf-spot. Del. 



Mosaic, undet. Widespread where crop is grown. 



SOLANUM. 



S. melongena, eggplant. 



Alternaria solani (Ell. and Mart.) L. R. Jones and A. J. Grout, leaf-spot. 



Conn., N. Y., Pa., Del., Md., W. Va., Fla. 

 Ascochyta lycopersici Brun. (Didymella lycopersici Kleb., Diplodina destruc- 



tiva (Plow.) Petr.), leaf -spot. N. Y., Del., Ind. 



