Bui. 21 3, Bureau of Plant Industry. U S Dept. of Agriculture. 



Plate VII. 



(1 ) Daisy on carnation ; inoculated Mar. 2, 1907. Time: 6 months 15 days. 



(2) Rose on daisy; inoculated Mar. 21, 1909. Time: 5 months 23 days. 



(3) Alfalfa on sugar beet; inoculated June 14. 1909. Time: 2 months 9 days. 



