jui y24 ,i9i6 Disease of Potatoes Known as "Leak" 639 



LITERATURE CITED 



(1) Atkinson, G. F. 



1894. Preliminary note on the swarm spores of Pythium and Ceratiomyxa. 

 In Bot. Gaz., v. 19, p. 375-378. 



(2) Bary, Anton de. 



188 1. Untersuchungen iiber die Peronosporeen und Saprolegnieen und die 

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(3) 



1881. Zur Kenntniss der Peronosporeen. In Bot. Ztg., Jahrg. 39, No. 33, 

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(4) Butler, E. J. 



1907. An account of the genus Pythium and some Chytridiacese^ In Mem. 

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(5) Carpenter, C W. 



191 5. Some potato tuber-rots caused by species of Fusarium. In Jour. Agr. 

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 cited, p. 208-209. 



(6) Edson, H. A. 



1915. Seedling diseases of sugar beets and their relation to root-rot and crown- 

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(7) HESSE, Rudolph. 



1874. Pythium de Baryanum ein endophytischer Schmarotzer in den Geweben 

 der Keimlinge der Leindotter, der Ruben, des Spergels und einiger 

 anderer landwirtschaftlichen Kulturpflanzen. 76 p., 2 pi. Halle 

 a/S. Inaugural-Dissertation. 



(8) Irish, John P., jr. 



1913. The work of the Delta experiment farm in 1912. In U. S. Dept. Agr. 



Bur. Plant Indus. Circ. 127, p. 3-13, 1 fig. 



(9) Johnson, James. 



1914. The control of damping off disease in plant beds. Wis. Agr. Exp. Sta. 



Research Bui. 31, p. 29-61, illus. Bibliography, p. 60-61. 



(10) Orton, W. A. 



1909. Decay of potatoes due to Rhizopus nigricans. (Abstract.) In Science, 

 n. s. v. 29, no. 753, p. 916. 



(11) 



1909. Potato diseases in San Joaquin County, California. U. S. Dept. Agr. 

 Bur. Plant Indus. Circ. 23, 14 p. 



(12) Rosenbaum, Joseph. 



191 5. Phytophthora disease of ginseng. N. Y. Cornell Agr. Exp. Sta. Bui. 



363, p. 61-106, fig. 2-18. 



(13) Sadebeck, R. 



1874. [Ueber Pythium equiseti.] In Verhandl. Bot. Ver. Brandenb., Jahrg. 



16, p. 116-126. 



(14) 



1875. [Ueber Pythium equiseti und dessen Infectionskraft fur die Kartoffel- 



pflanze.] In Sitzber. Gesell. Naturf. Freunde Berlin, Jahrg. 1875, 

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(15) Shear, W. V. 



1914. Potato growing in the San Joaquin and Sacramento deltas of California. 

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(16) Ward, H. M. 



1883. Observations on the genus Pythium (Pringsh.). In Quart. Jour. Micros. 

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