PRKSIDKNTIAL ADOKKSS SICCTION C. gi 



51. Bacteria in relation to plant disease. — Carnegie Inst.. 

 Wash.. Vol. I.. 1905; Vol. II., 1911; Vol. III.. 1914. 



52. A Conspectus of bacterial disease of i)lants. — /hni. Miss- 



Bof. Garden. 2. 377-401, Feb.-A])ril. 191 5. 



Smith. Ervvin F., Brown, N. A., .\nd Tovvnsknp. C. O. — 



53. Crown Gall of Plants : It's cause and remedy. — U.S. 



Dept. of Agaric, Bur. of Plant Ind. Bull., 213. 191 1. 



Smith, Erwin F., Brown, N. A., and Bryan, M. K. — 



54. Angular Leaf Spot of cucumbers. — .lourn. Aip-ic. Res. 



V. (1915). 465-476. 



55. Further evidence as to the relation between crown-gall 

 and cancer. — Proc. Nat. Acad. Sci. 2 (1916), No. 8, 



444 ff- 



56. Ebryomas in plants (produced by bacterial inoculations). 



— Bull. Johns Hopkins Hasp., 28 (1917), No. 319, 

 277-294. 



Smith, Ralph E. — 



57a. Walnut Blight. — Calif. .-Ujric. Exp. Sta. Bull.. 231, 1912. 



S THWART, P". C. — 



57b. A bacterial disease of sweet corn. — Nezv York Agr. 

 Exp. Sta. Bull., 130 (1897). 



Stewart, V. B. — 



58. The importance of the tarnished plant bug in the dis- 

 semination of tire blight in nursery stock. — Phytopath. 

 3 (I9i3)» 273-276. 



Stewart, V. B., and Leonard, M. D. — 



59. The role of sucking insects in the dissemination of fire 

 blight. — Phytopath. V. (1915), 1 17-123. 



60. Further studies in the role of insects in the dissemination 



of fire blight bacteria. — Phytopath. VI. (1906), No. 2, 

 I52-I5S- 



\^an der Wolk. p. C. — 



61. Study of a bacterial disease of soy beans and the 

 nature of the root nodules of Glycine hispida and 

 Arachis hypogea. Cultura 28 (1916), No. 336, 268-285. 

 Z2>7, 300-319. 



Waite, M. B. — 



62. Results from recent investigations in pear blight. — Boi. 



Gac. 16. 259: Ann. Ass. Adv. Sci. Proc. 40, 315 (i8gi). 



63. Cause and prevention of pear blight. — Year Book, U.S. 



Dept. of Agric. (1895), 295-300. 



