20 TIMOTHY BUST IN THE UNITED STATES. 



Page. 



Rust, breeding for resistance, methods 14-17 



timothy, secidial stage 10-11, 13, 16 



description 8 



distribution in the United States 7, 16 



agencies 13-14, 17 



identity in the United States and Europe 9-10, 16 



nomenclature 11-12, 16-17 



relationship and physiological specialization 8-10, 11 



resemblance to Puccinia graminis 8, 10, 11, 16 



winter survival 12-13, 17 



Secale cereale, host of timothy rust 9 



Seymour, A. B., and Farlow, W. G., on the rust of timothy 7 



Summary of bulletin 16-17 



Timothy, unaffected by barberry rust 10 



varieties, resistance to rust 14-16 



See Rust, timothy. 



Trelease, William, on the rust of timothy 7 



Triticum vulgare, host of timothy rust 9, 10 



Uredo graminis, comparison with timothy rust 11 



Uredospores, measurements of timothy rust 8 



Wibon, J., Curtis, C. F., and Kent, D. A., on the occui-rence of timothy rust. . 7 



Wind, agency in the dissemination of rust spores 13, 17 



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