LIST OF SPECIFIC DISEASES OF PLANTS ' 457 



Blight {Bacillus solanacearum, E. F. Sm.). 



Descr. lUus. Treat, (rec), U. S. Dep. Agr., Div. Veg. Phys. & Path., Bull. 12 

 (1896). 

 Chytridiose or Black Scab {Synchyirium cndobioiicwn (Schilb.) Percival = CAryjo- 



phlyclis endohiolica, Schilb.) 

 Downy Mildew or Rot {Phylophthora infestans, de By.). 



Descr. Illus., U. S. Dep. Agr., Rep. for 1888, pp. 337-338 (1889). 

 N. H. Agr. Exp. Sta., Bull. 22, pp. 3-5 (1894). 

 N. Y. (Corn. Univ.) Agr. Exp. Sta., Bull. 113, pp. 249-254 (1896). 

 Vt. Bull. 168, pp. 100, pis. 10, figs. 10 (August, 1912). 

 Conn. Rep., pt. 10, pp. 7S3-774 (iQop)- 



Melhus, I. E., Hibernation in the Irish Potato, Journ. Agr. 

 Research V, pp. 71-102 (1915). 

 Treat, (pos.), U. S. Dep. Agr., Farm. Bull. 91 (1899). 

 Dry-rot (Fusarium solani (Mart.) Sacc. ajidF. radicicola, Wollenw.). 



Occ, III. Agr. Exp. Sta., Bull. 40, p. 139 (1895). 

 Internal Browning (Bacterial ?). 



Descr., 111. Agr. Exp. Sta., Bull. 40, pp. 138-139 (1895). 

 N. Y. Agr. Exp. Sta., BuU. loi, pp. 78-83 (1896). 

 Leaf-blotch (Cercospora concors (Casp.) Sacc.) . 



Stevens & Hall, Diseases of Economic Plants, p. 278 (1910). 

 Leaf-mold or Early-blight (Allernaria solani (Ell. & Mart.), Jones & Grout). 

 Descr. lUus., Del. Agr. Exp. Sta., Rep. 4, 1891, pp. 58-59 (1892). 



N. Y. (Corn. Univ.) Agr. Exp. Sta., Bull. 140, p. 393 (1897). 

 Vt. Agr. Exp. Sta., Bull. 72, pp. 16-25 (1899). 

 Treat, (pos.), U. S. Dept. Agr., Farm. Bull. 91, pp. 5-7 (1899). 

 Wise. Rep., pp. 343-354. figs. 7 (i9°7)- 

 Leak (Pytkium de Baryamim, Hesse.) 



Journ. Agr. Research VI, pp. 627-640, pi. i (1916). 

 Powdery' Scab {Spongospora sublerranea). 



Orton, W. A., Potato Tuber Diseases, U. S. Farm. Bull. 544 (1913). 

 Bull., U. S. Dept. Agr., No. 82 (1914). 

 Powdery Dry-rot {Fusarium Irichothecoides Wollenw.) . 

 Orton, W. A., U. S. Farm. Bull. 544 (1913). 

 Pratt, Journ. Agric. Res., VI: 817-831, Aug. 21, 1916. 

 Root-rot {Enlorrhiza solani, Fautr.). 



See U. S. Dept. Agr., Exp. Sta. Rec, VII-io, p. 873 (1896). 

 Scab {Actinomyces chrcmogenes, Gasp.). 



Descr. Illus., Conn. Agr. Exp. Sta., Rep. 14, 1890, pp. 81-95 (1891). 

 Descr. Illus., Conn. Agr. Exp. Sta., Rep. 15, 1891, pp. 153-160 (1892). 



' Carpenter, C. W. : Some Potato Tuber-rots Caused by Species of Fusarium, 

 Journal of Agricultural Research V, pp. 183-209 (Nov. 1, 1915). 



2 Consult Melhus, I. E., RosENBArii, J. and Schultz, E. S.: Studies of Spon- 

 gospora subterranea and Phoma tuberosa of the Irish Potato, Journ. Agr. Research 

 VII, pp. 213-253, October, 1916, also IV, pp. 265-278. 



