64. 
65. 
66. 
67. 
68. 
70. 
Ac 
72. 
73. 
INDEX TO LITERATURE. 95 
. SevBy, A. D. Root and stem galls. Proc., Columbus Hort. Soc , Ohio, vol 10, 
1896, p. 141 and pl. 1. 
Some diseases of orchard and garden fruits. Bulletin 79, Ohio Agr. Expt. 
Sia Oops L2/ and fe 7. 
: Preliminary report upon diseases of the peach. Bulletin 92, Ohio Agr. 
Expt. Sta., 1898, p. 214. . 
- A condensed handbook of the diseases of cultivated plants in Ohio. 
Bulletin 121, Ohio Agr. Expt. Sta., 1900, p. 13 and fig. 11. 
. SmitH, Erwin F. Stem and root tumors. Journal of Mycology, vol. 7, 1892, pp. 
93 and 376. 
and TowNseEND, C.O. A plant tumor of bacterial origin. Science, n.s., 
vol. 25, Apr., 1907, pp. 671-673. 
. SmitH, R. E. Plant diseases of California. Crown-gall. Report of the plant 
pathologist. Bulletin 184, Cal. Agr. Expt. Sta., July, 1906, p. 247. 
. SmitH, W. E. Root galls. California Fruit Grower, vol 12, Dec., 1894, p. 481. 
. SoRAUER, P. Kropfmaser. Handbuch der Pflanzenkrankheiten, vol. 1, 1886, 
pp. 731-734 and fig. 38. 
Wurzelkropf. Handbuch der Pflanzenkrankheiten, vol. 1, 1886, pp. 
737-743 and figs. 40 and 41. 
Wurzelkropf. Die Schiden der einheimischen Kulturpflanzen durch 
tierische und pflanzliche Schmarotzer sowie durch andere Einfltisse, 1888, pp. 
117-118. 
Schutz der Obstbiume gegen Krankheiten. Wurzelkropf, pp. 58-60; 
Kropfmaser, pp. 58, 139-140, 1900. 
Kropfmasern der Baume. Handbuch der Pflanzenkrankheiten, vol. 1, 
3d ed., 1908, pp. 378-386 and fig. 58. 
2. Srewart, F.C. Plant diseases. Rept., Western N. Y. Hort. Soc., vol. 46, 1901, 
p. 89. 
and Biopeett, F.G. A fruit disease survey of the Hudson Valley in 1899. 
Bulletin 167, N. Y. (Geneva) Agr. Expt. Sta., 1899, pp. 298-299 and 304-305 
and 1 pl. 
Rotrs, F. M., and Hatt, F. H. A fruit disease survey of western New 
York in 1900. Bulletin 191, N. Y. (Geneva) Agr. Expt. Sta., 1900, pp. 300-301 
and pl. 2; also Rept., N. Y. (Geneva) Agr. Expt. Sta., 1901, pp. 176-178 and 
pl. 23. 
Tart, L. R. Crown-gall. Rept., Mich. Agr. Expt. Sta., for 1896, pp. 96-97, 1897. 
Crown-gall. Bulletin 156, Mich. Agr. Expt. Sta., 1898, pp. 305-306. 
TARNANI, J. Ueber Vorkommen von Heterodera Schachtii Schmidt und H. radi- 
cicola Mill. in Russland. Centralblatt fir Bakteriologie, Parasitenkunde, und 
Infektionskrankheiten, vol. 4, pt. 2, 1898, pp. 87-98. 
Toumey, J. W. An inquiry into the cause and the nature of crown-gall. Bulle- 
tin 33, Ariz. Agr. Expt. Sta., 1900, pp. 29-30. 
Van Deman, H. E. Treatment of insectsand fungous diseases. Rept., Va. State 
Agr. Soc., vol. 7, 1903, pp. 86-91. 
Von ScHRENK, HERMANN. Crown-gall. Western Fruit Grower, vol. 13, Mar., 
19037 p> 111. 
and Hepecock, GeorcE G. The wrapping of apple grafts and its 
relation to the crown-gall disease. Bulletin 100, Bureau of Plant Industry, 
U.S. Dept. of Agriculture, 1906, pp. 13-20. 
Crown-gall and hairy-root diseases of the apple tree. Rept., Mo. 
State Hort. Soc., vol. 49, 1907, pp. 252-253; also The Fruit Grower, vol. 18, 
Jan., 1907, p. 38. 
186 
