LIST OF SPECIFIC DISEASES OF PLANTS 46 1 



Leaf-blotch {Actinonema rosa (Lib.), Fr.). 



Descr. Illus., U. S. Dep. Agr., Rep. for 1887, pp. 366-368 (1888). 



Treat, (pos.), N. J. Agr. Exp. Sta., Rep. 13, 1892, p. 281 (1893). 

 Leaf-spot {Splitrrella rosigena, EIL). 



Occ. 

 Mildew {Peronospora sparsa, Berk.). 

 Powdery Mildew {Sphcerotheca pannosa (Wallr.), Lev.). 



Descr., N. J. Agr. E.xp. Sta., Rep. 13, 1892, p. 281 (1893). 



Treat, (pos.), N. J. Agr. E.xp. Sta., Rep. 13, 1892, pp. 281-282 (1893). 

 Rust {Phragmidium subcortkium (Schrank) Wint. and P/k speclomm, Fr.). 



Descr. Illus., U. S. Dept. Agr., Rep. for 1887, pp. 369-372 (1888). 



Treat, (pos.), See U. S. Dept. Agr., Exp. Sta. Rec, X-7, p. 651 (1899). 

 Twig-blight {Botrylis clnerea, Pers.). 



Rye 



{Secalc ccrcale, L.) 



Anthracnose (Collciotrichum gramincola (Ces.) Wilson). 

 Ergot (Claviceps purpurea, (Fr.) TuL). 



Descr. Illus., S. Dak. Agr. Exp. Sta., Bull. 33, pp. 40-43 (1893). 



Treat, (rec), N. C. Agr. Exp. Sta., Bull. 76, p. 20 (1891). 

 Rust (Black-stem, Puccinia graminis, Pers., and Orange-leaf, P. rubigO'vera (DC), 

 Wint.). 



See U. S. Dep. Agr., Div. Veg. Phys. & Path., Bull. 16, pp. 42-45 & 60. 

 Smut {Urocystis occulta (Wallr.), Rabh.). 



Occ. Illus., Mass. Agr. E.xp. Sta., Rep. 9, 1891, p. 247 (1892). 



Treat, (pos.), see Oats and Wheat (Smut). 

 Stem-blight {Leptosphceria herpotrichoidcs, de Not). 



Salsify 



{Tragopogon porrifoliits, L.) 

 Rot (Bacterial). 



Descr., N. J. Agr. E.xp. Sta., Rep. 11, 1S90, p. 351 (1891). 

 White-rust {Cystopus iragopogonis, (Pers.), Schrot.). 



Occ, N. J. Agr. E.Kp. Sta., Rep. 15, 1894, p. 355 (1895). 

 Rust {Puccinia tragopogoni (Pers.), Cda.). 



Scrub Pine 

 {Pinus virigitiiana, Mill) 



Burl Disease {Cronarlium quercus (Brand.) Schrot). 



Graves, A. H., Phytopathology IV (February, 1914). 

 Heart-rot {Trameles pint (Brot.) Fr.). 



Graves, A. H., Phytopathology IV (February, 1914). 



