24 BULLETIN 1366, TJ. S. DEPARTMENT OF AGRICULTURE 



ASPARAGUS. 



A. officinalis, asparagus. 



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



Botrytis sp., blight. N. Y., Calif. 



Cercospora asparagi Sacc, leaf-spot. Del., Va., Ala., Tex., Nebr., Calif. 



C. caulicola Wint., leaf-spot. Md., S. C, Ga., Ala., Mo. 



Cladosporium fascicular e (Pers.) Fr. S. C. 



Colletotrichum sp., anthracnose. Conn., 111. 



Corticium vagum Berk, and Curt., root-rot. Mass., N. Y., Pa., N. J., Mich., 



N. Dak., Wash. 

 Fusarium sp., dwarfing, stem-rot. Mass., Conn., N. Y., N. J., 111., Minn. 



Calif. 

 Puccinia asparagi DC, rust. General. 

 Dwarfing, undet. N. J. 

 Fasciation, undet. Conn., Calif. 

 Leopard spot, undet. Md., Nebr. 



AVENA. 



A. sativa, oats. 



Bacterium coronafaciens Charlotte Elliott (Phytomonas coronafaciens (Elliott) 



Com. S. A. B.), halo leaf -blight. General. 

 Claviceps purpurea (Fr.) Tul., ergot. Iowa, Minn., N. Dak., Kans., Colo., 



Wash. 

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



Great Plains. 

 Erysiphe graminis DC, powdery mildew. Scattered, especially in Pacific 



States. 

 Fusarium culmorum leteius Sherb., seedling blight. Oreg. 

 Gibber ella saubinetii (Mont.) Sacc, scab. Scatteringly east of Great Plains. 

 Helminthosporium avenae Eidam, leaf-spot. Widely distributed. 

 Leptosphaeria avenaria G. F. Weber, speckled blotch. Ky., Minn., Wis. 

 Phyllachora graminis (Pers.) Fckl., black-spot. Nebr. 

 Puccinia coronata Cda., crown-rust. General. 

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

 Scolecotrichum graminis Fckl., leaf-spot. N. Y., 111. 

 Ustilago avenae (Pers.) Jens., loose smut. General. 

 U. levis (Kell. and Sw.) Magn., covered smut. General. 

 Blast, undet. General. 



AZALEA. 



Azalea spp., azalea. 



Corticium vagum Berk, and Curt., stem-rot. Ga. 



Exobasidium vaccinii (Fckl.) Wor., gall. Atlantic Coast and Gulf States, 



111. 

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

 Pucciniastrum myrtilli (Schum.) Arth., rust. Conn., Ga., Atlantic Coast 



States. 

 Ramularia angustata Pk., leaf-spot. N. Y. 

 Septoria solitaris Ell. and Ev., leaf-spot. Calif. 

 Synchytrium vaccinii F. Thomas, red-gall. N. J. 



BAMBUSA. 



Bambusa sp., bamboo. 



Cladosporium graminum (Pers.) Cda. S. C 

 Coniosporium shiraianum (Syd.) Bub. Fla. 

 Helminthosporium sp., leaf-spot. Fla. 

 Puccinia melanocephala Syd., rust. Fla. 



BEGONIA. 



Begonia sp., begonia. 



Aphelenchus olesistus Ritzema Bos, nematode (nursery). N. Y., Pa. 

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



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

 Botrytis sp., blight. Ind., 111. 

 Cercospora sp., leaf-spot. Fla., Tex. 

 Gloeosporium sp., anthracnose. Fla., La. 



