Fig. 40. Antirrhinum Diseases. 



a. Rust on leaves, h. root knot, c. Uredo spores of Puccinia antir- 

 rhini (after Schwarze), d. anthracnose lesions on stems and leaves, e. sec- 

 tion through an acervulus of CoUetotrichiim antirrhini f. spores of C. 

 antirrhini, (d-f after Stewart, F. C). 



