LIST OF SPECIFIC DISEASES OF PLANTS 439 



Hollyhock 

 {AlthcEa rosea, Cav.) 



Anthracnose {Colletolrichum malvarum (Braun. & Casp.), Southworth). 



Descr. Illus., Journ. Mycol., Vol. VI, pp. 46-48 (1890). 



Treat, (pos.), Journ. Mycol., Vol. VI, p. 50 (1890). 



N. J. Agr. Exp. Sta., Rep. 11, 1890, p. 362 (1891). 

 Leaf-blight [Cercospora althaina, Sacc). 



Descr., N. j. Agr. Exp. Sta., Rep. 11, 1890, p. 361 (1891). 



Treat, (pos.), N. J. Agr. Exp. Sta., Rep. 11, 1890, p. 361 (1891). 

 Leaf-Spot {Phyllosticta althmina, Sacc.).^ 



Descr., N. J. Agr. Exp. Sta., Rep. 12, 1891, p. 297 (1892). 

 Rust {Puccinia malvacearum, Mont.). 



Descr. Illus., N. Y. (Corn. Univ.) Agr. Exp. Sta., Bull. 25, p. 154 (1890). 

 Phytopath. i, pp. 53-62 (191 1). 



Treat, (rec), N. Y. (Corn. Univ.) Agr. Exp. Sta., Bull. 25, p. 155 (1890). 

 Rust {Puccinia helerogenea, Lagerh.) 



Descr. Illus., Journ. Mycol., Vol. VII, pp. 44-47 (1891). 



Hop 



{Humuliis japonicus, Sieb & Zucc.) 



Powdery Mildew {Spharotheca hiimtdi (DC), Burr.). 



N. Y. Corn. Bull. 328, pp. 281-310, figs. 19 (March, 1913). 



N. Y. State Bull. 395, pp. 29-80, pis. 2, figs. 2 (February, 1915). 



Horse-chestnut 



{jEschIus hippocastaniim, L.) 



Leaf-blotch {Gitignardia csscidi (Pk.) Stewart). Phytopath. 6, 5-19, 1916. 

 Leaf-spot {Phyllosticta pavice, Desm.). 



Descr., N. Y. Agr. Exp. Sta., Rep. 15, 1896, p. 456 (1897). 

 Tr. (pos.), Journ. Mycol. Vol. VII, p. 353; Phytopathology 4, 399 (December, 

 1914) 



Horseradish 



{Cochlearia armoracia, L.) 



Leaf-blight {Ramularia armoracia, Fckl.). 



Occ, N. J. Agr. Exp. Sta., Rep. 11, 1890, p. 360 (1891). 

 Leaf- mold {M acres porium herculeum. Ell. & Mart.). 



Occ, N. Y. Agr. Exp. Sta., Rep. 15, 1896, p. 452 (1897). 

 ' The dififerent species of Phyllosticta will be found described in The North Ameri- 

 can Phyllostictas with Descriptions of the Species, published up to August, 1900 by 

 J. B. Ellis and B. M. Everhart, Vineland, N. J., December, 1900. 



