LIST OF DISEASES OP ECONOMIC PLANTS 51 



HIBISCUS — Continued. 



H. esculenlus, okra, gumbo — Continued. 



Phyllosticta hibiscina Ell. and Ev., leaf -spot. 111. 



Verticillium alboatrum Reinke and Berth., wilt. N. J., S. C, Ala., Oreg., 

 Calif. 

 H. syriacus, *rose-of-Sharon. 



Heterodera radicicola (Greef) MuelL, root-knot. Tex. 

 Kuehneola malvicola (Speg.) Arth., rust. La., Miss. 

 Nectria sp., canker. Ohio. 



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

 rot. Tex. 

 Phyllosticta syriaca Sacc, leaf -spot. N. Y. 



HICORIA. 



Hicoria spp., hickory. 



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



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



and Town.) Com. S. A. B.), crown-gall. Md., Kans. 

 Fomes applanatus (Pers.) Walk. (Ganoderma applanation (Pers.) Pat.), 



white-streaked rot. Conn. 

 Fusicladium effusum Wint., scab. 111., Kans. 

 Gnomonia caryae Wolf, anthracnose. East of Miss. River; Mo. 

 Hendersonia davisii Ell. and Ev., leaf-spot. Wis. 

 Marssonia juglandis (Lib.) Sacc, leaf-spot. N. J., W. Va., Iowa. 

 Microsphaera alni (Wallr.) Wint., powdery mildew. Ala., Miss., Ind., 



111., Mo. 

 Microstroma juglandis (Bereng.) Sacc, witches'-broom. General east of 



Great Plains. 

 Mycosphaerella convexula (Schw.) F. V. Rand, leaf-spot. S. C, Ga., Fla., 



Ala., Ohio. 

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

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

 Phyllosticta caryae Pk., leaf-spot. Northeastern and North-Central States; 



Gulf States. 

 P. convexula Bub., leaf -spot. Mo. 

 P. subtilis Pk., leaf -spot. N. Y. 

 Rosellinia caryae L. Bonar, canker. Mich. 

 Septoria caryae Ell. and Ev., leaf-spot. Del. 

 S. hicoriae Tharp, leaf-spot. Tex. 

 Strumella coryneoidea Sacc and Wint., canker. Pa. 

 H. pecan, pecan. 



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



and Town.) Com. S. A. B.), crown-gall. S. C, Gulf States, Calif. 

 Botryosphaeria berengeriana DeNot., die-back. S. C, Ala., Fla. 

 Cercospora fusca (Heald and Wolf) emend. F. V. Rand, brown leaf-spot. 



S. C, Gulf States, N. Mex. 

 Fusicladium effusum Wint., scab. N. C. to Okla. and Tex. 

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



States. 

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



Microsphaera alni (Wallr.) Wint., powdery mildew. S. C, Gulf States. 

 Microstroma juglandis (Bereng.) Sacc, leaf-spot. Ga., Ala., Tex. 

 M. juglandis robustum Hig., flower-blight. Ga. 

 Mycosphaerella convexula (Schw.) F. V. Rand, leaf-blotch. S. C, Ga., 



Ala., Fla., Ohio. 

 Oidium sp., powdery mildew. Tex. 



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

 rot. Tex. 

 Pestalozzia sp., leaf-spot. Fla. 

 Phoma sp., twig-blight. Fla. 



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

 Phyllosticta caryae Pk., leaf-spot. Va., S. C, Gulf States. 

 Septoria caryae Ell. and Ev., leaf-spot. Tex. 

 Kernel-spot, southern stinkbug (Nezara viridula L.). N. C, S. C, Ga., 



Fla., Ala., Miss., La., Tex. 

 Rosette, undet. Del., Va., N. C, S. C, Gulf States; Ark., Calif. 



