

LIST OF DISEASES OF ECONOMIC PLANTS 61 



1YCOPERSICTJM— Continued. 



L. esculentum, tomato — Continued. 



B. vesicatorium Doidge (Phytomonas exitiosa (Gardner and Kendrick) 

 Com. S. A. B.), bacterial spot. N. Y., Pa., Tenn., Ga., Fla., Ind., 111., 

 Mich., Iowa, Kans. 



Basisporium gallarum M. Molliard, fruit-rot. Calif. 



Botrytis cinerea Auct., gray-mold rot. N. J., Ohio, Ky., Ala. 



Cercospora cruenta Sacc, leaf-spot. S. C, Ala., Iowa. 



Cladosporium fulvum Cke., leaf-mold. General. 



Colletotrichum phomoides (Sacc.) Chester, anthracnose. East of Great Plains: 

 Wash., Calif. 



Corticium vagum Berk, and Curt., stem-rot, soil-rot. General. 



Fusarium lycopersici Sacc, Fusarium wilt. Conn, to Nebr. and south- 

 ward, Calif. 



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

 Mich., Fla., La. 



Heterodera radicicola (Greef) Muell., root-knot. General in South. 



Isaria clonostachoides F. J. Pritchard and W. S. Porte, fruit-rot. Va., D. C. 



Macrosporium tomato Cke., nailhead spot. Fla. and other Southern States. 



Melanconium sp., fruit-spot. Ohio, Wis. 



Nematospora lycopersici A. Schneider, fruit-rot. Calif. 



Olpidium sp., seedling blight. Wis. 



Oospora lactis parasitica F. J. Pritchard and W. S. Porte, fruit-rot. N. J., 

 Va., D. C. 



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

 rot. Tex., Ariz. 



Phoma destructiva Plow. (Diplodina destructiva (Plow.) Petr.), ripe-rot, leaf- 

 spot. Widespread. 



Phyllosticta sp., leaf-spot. Fla. 



Phytophthora sp. (D. Reddick), stem girdle. N. Y. 



P. infestans (Mont.) D By., late-blight, damping-off. Atlantic and Pacific 

 Coast States. 



P. terrestris Sherb., buckeye rot. South Atlantic and Gulf States; Va., 

 Ark., Tenn., Ind. 



Pythium deharyanum Hesse, damping-off. New England, N. Y., Ohio, Pa., 

 Wash. 



Rhizopus nigricans Ehr., black-mold rot. Frequent in harvested crop. 



Sclerotinia sclerotiorum (Lib.) Mass., stem-rot, fruit-rot. General. 



Sclerotium rolfsii Sacc, stem-rot. Southern States. 



Septoria lycopersici Speg., leaf-spot. General, but infrequent in West. 



Synchytrium endobioticum (Schilb.) Perc, wart. Pa. 



Verticillium alboatrum Reinke and Berth., wilt. Northern States. 



V. lycopersici F. J. Pritchard and W. S. Porte, collar rot. N. J., Del., Md. 



Blossom-end rot, nonpar. General. 



Mosaic, undet. General. 



Oedema, nonpar. N. Y., Ind., Fla. 



Streak or winter blight, undet. Common in greenhouses, Mass., N. Y., 

 N. J., Pa., Ohio, Ind., Mich. 



Yellow blight, undet. Western States. 



IYONIA. 



L. ligustrina, *maleberry. 



Exobasidium vaccinii Wor., hypertrophy. Mass., N. Y., N. J., Fla., Ala. 



Microsphaera alni vaccinii Berk, and Curt., powdery mildew. Ala. 



Pucciniastrum myrtilli (Schum.) Arth., rust. Del., Va., Ala. 



Rhytisma andromedae Fr., tar-spot. N. J., Va. 



R. decolorans Schw., tar-spot. Me., Mass., N. J., Fla., Ga., Ala. 



MACLURA. 



M. pomifera, Osage-orange. 



Cerotelium fici (Cast.) Arth., rust. S. C, Ga., La. 



Ovularia maclurae Ell. and A. B. Langlois, cottony leaf -spot. La., Tex. 



Phoradendron fiavescens (Pursh) Nutt., mistletoe. Tex., Ind. 



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



Sporodesmium maclurae Thuem., leaf -spot. Mo. 



