No. lil. Leaves of tlic eli'stmit . slidwiim' livownish tiiil from eiTee-t of .i;irilliiu' 1)y 



the discnse. 



No. 22. Types of ornamental chestnut trees killed by thousands. Not(> the small, 

 diseased branches. Scene near I'hiladelphia, Pa. — PJiotofjraph hij I'rof. Collins. 



