INDEX TO LITERATURE. 33 



44. Smith, Erwin F. Stem and root tumors. Journal of Mycology, vol. 7, 1894, pp. 



376-377 and pi. 38. 



44a. The etiology of plant tumors. Science, n. s. vol. 30, no. 763, August 



13, 1909, p. 223. 



45. Smith, Erwin F., and Townsend, C. O. A plant tumor of bacterial origin. 



Science, n. s., vol. 25, 1907, pp. 671-673. 



45 a . . Ein Pflanzentumor bakteriellen Ursprungs. Centralblatt fur 



Bakteriologie, pt. 2, vol. 20, 1907, pp. 89-91. 



46. Sorauer, P. Der Krebs (Grind) des Weinstockes. Handbuch der Pflanzen- 



krankheiten, 1908, vol. 1, pp. 594-596. 



47. Die Bakteriosen der Vitaceen. Handbuch der Pflanzenkrankheiten, 1908, 



vol. 2, p. 57. 



48. . Der Krebs (Grind) des Weinstockes. Handbuch der Pflanzenkrankheiten, 



vol. 1, 1886, pp. 414-416 and 418 and fig. 21. 



49. Stewart, F. C, and Blodgett, F. G. Grape diseases. Black-knot. A fruit- 



disease survey of the Hudson Valley in 1899. Bulletin 167, Geneva (New York) 

 Agricultural Experiment Station, 1899, pp. 298-299 and pi. 4, 



50. Stewart, F. C, Rolfs, F. M., and Hall, F. H. A fruit disease survey of western 



New York in 1900. Bulletin 191, Geneva (New York) Agricultural Experiment 

 Station, 1900, p. 312. 



51. Toumey, J. W. An inquiry into the cause and nature of crown-gall. Bulletin 33, 



Arizona Agricultural Experiment Station, 1900, pp. 29-30. 

 51a. Townsend, C. O. A bacterial gall of the daisy and its relation to gall formations 

 on other plants. Science, n. s., vol. 29, no. 737, February, 1909, p. 273. 



52. Trecul, A. Memoire sur le developpement des loupes et des broussins. Annales 



des Sciences Naturelles Botaniques, ser 3, vol. 20, 1853, pp. 65-80 and pi. 7. 



53. Twight, E. H. Introduction— Black-knot. Observations on some vine diseases 



in Sonoma County, California. Bulletin 168, California Agricultural Experi- 

 ment Station, 1905, p. 5. 



54. Van Hall, C. J. J. Ziekte van den Wijnstok, "rogna della vite" (Bacillus 



ampelopsorae Trev.) Bijdragen tot de Kennis der Bakterieele Plantenziekten, 

 1902, p. 84. 



55. Yiala, P. Broussins. Les maladies de la vigne, 1887, pp. 441-443 and figs. 



192-193. 



56. Broussins sur les racines. Revue de Viticulture, vol. 5, 1896, p. 152. 



57. Gelees de printemps. — Broussins. Les maladies de la vigne, 3d edition, 



1893, pp. 478-490 and figs. 227-232. 



58. Von Thumen. Der Pilz-Grind der Weinreben. Aus dem Laboratorium der 



Versuchstation fur Wein und Obstbau, Klosterneuberg, bei Wien, 1884, no. 5. 



59. Whipple, O. B. Crown-gall. "Western slope fruit investigation. Report of field 



horticulturist. Bulletin 118, Colorado Agricultural Experiment Station, 1906, 

 p. 11. 



60. Woodworth, C. W. Crown-knot. Report for 1894-1895, California Agricultural 



Experiment Station, 1896, pp. 231-232. 



61. Woodworth, C. W., and Wickson, E. J. Root knots on fruit trees and vines. 



Bulletin 99, California Agricultural Experiment Station, 1892, pp. 1-4. 



62. Root knots on trees and vines. Report for 1892-1894, California Agricul- 

 tural Experiment Station, 1894, pp. 436-440. 



63. Zacharewicz, E. Les broussins dans les vignes de Vaucluse. Revue Inter- 



nationale de Viticulture, vol. 1, 1894, pp. 119-120. 

 1(1702— Bui. 183—10 3 



