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Johnston, J. R. History and cause of the rind disease of sugar cane. (Journ. Board 
Comm. Agric. Porto Rico I [1917], p. 17—45, Pl. I.) 
Johnston, J. R. and Stevenson, J, A, Sugar-cane fungi and diseases of Porto Rico. 
(Journ. Dept. Agric. Porto Rico I [1917], p. 177—264, Pl. XIX—XXXI.) 
Jones,'D. H. Some bacterial diseases of vegetables found in Ontario. (Ontario Dept. 
Agric. Bull. CCXL [1916], 24 pp. 10 Pl.) 
— Bacteria — friends and foes. (Ibidem Bull. no. CCLV [1918], 99 pp.) 
Jones, F. R. Pleosphaerulina on.alfalfa. (Phytopathology VI [1916], p. 299—300.) 
— The leaf-spot diseases of alfalfa and redclover caused by the fungi Pseudopeziza 
medicaginis and P. trifolii respectively. (U. S. Dept. Agric. Bull. no. 759 [1919), 
p. 1-38, Pl. I—-III, 4 Figs.) 
Jones, Fred. Ruel and Drechsler, Charles. Crownwart of Alfalfa caused by Urophlyctis 
alfalfae. (Journ. Ägric. Research Washington XX [1920], p. 295—323, 
Pl. XLVII—LVI.) 
Jones, L. R. Soil temperature as a factor in phytopathology. (Plant World XX 
[1917], p: 229—237.) 
— Our Journalı Phytopathology. (Phytopathology IX [1919], p. 178—179.)’ 
— Disease resistance in cabbage. (Proceed. Nat. Acad. Sci: IV [1918], p. 42—46, 
2 Fig.) 
Jones, L. R. and Bartholomew, E. T. Apple rust. and its control in Wisconsin. (Wis- 
consin Agric. Experim. Stat. Research Bull. 275 19131, p- 3—30,. 14 Figs.) 
Jones, L. R.and Gilman, J.C. The control of cabbage yellows through disease resitance. 
(Wisconsin Agric. Experim. Stat. Research Bull. XXXVIII [1915], 70 pp-, 
23 Figs.) 
Jones, L. R. and Mc Kinney, H. H. The influence of soil temperature on potato cab, 
(Phytopathology IX [1919], p. 301-—302.) 
Jones, L. R., Walker, J. C. and Tisdale, W. B. Fusarium Resistant Cabbage. (Research 
Bulletin Agricult. Experim. Stat. Univ. Wiseonein Nr.48 [Madison 1920], 34 pp-, 
10 Figs.) 
Jones, L. R., Miller, M. and Bailey, E. Frost Necrosis of Potato Tubers. (Agricultural 
Experiment Station of the University of Wisconsin-Research Bulletin Nr. 46, 
46 pp., 12 Figs.) 
Kauffman, C. H. and Mains, E. B. An epidemic of Cronartium Comptoniae.at the 
Roscommon state nurseries. (Ann. Rep. Michigan Acad. Sci. XVII [1915], 
‚p- 188—189.) 
Kawakami, Koichiro, and Yoshida, Suehiko, Bacterial Gall on Millettia plant. (Ba- 
- cillus Millettiae n. sp.) (Tokyo Bot. Mag. XXXIV [1920], p. 110 ft.) 
Keitt, G. W. Peach scab and its control. (U. S. Dept. Agric. Bull. 395 [1917], 66 pp-, 
6 Pils., 6 Figs.) 
— Control of Cherry Leaf Spot in Wisconsin. (Agric. Experim. Station Univ. of 
Wisconsin — Madison Bulletin Nr. 286 [1918], 11 pp., 7 Figs.) 
Kelly, Albert. The false Codling Moth [Enarmonia batrachopa. Meyrick with parti- 
cular reference to its attack upon Acorns. (Agric. Journ. Union of South Africa 
Pretoria VIII [1914), p. 72-75, Fig. AB.) 
Kern, F. D. North american rusts on Cyperus and Eleocharis. (Mycologia XI [1919], 
» Nr. 3, p. 134—147.) 
Keuchenius, P. E. Onderzoekingen over bruine bastziekte. (Archief voor de Rubber- 
ceultuur in Ned. Indie IV [1920], p. 1.) 
.Kezer, A. and Sackett, W. G. Beans in Colorado an their diseases. (Colorado a 
Exp. Stat. Bull. no. 234 [1918], 32 pp., 6 Figs.) 
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