April, 1912.] SOME APPLE DISEASES — TREATMENT. 



.1 J.T rr' TT "' '^' ^"""^ ^"'^^"^- '^.-Portion of a section thru a scab 

 rorraniz.;''^ fT^' ? '""'"'^ '• '^^^^^^^"^ ""^'^^ ^"'^ ''f*-^ *he cuticle, a; .. parUy 

 ^oronZ^' "^ *'' "^"'"^ " ''^"'*'^^' ^^"^ °f *^« =^PP'- ^-Two spore-bearin. Stalks 

 sporopl^ores) g.vmg nse to summer spores /. C.-Spores germinating. Z>.-Portion of a 



se t"ttl"t "'' ''^'^ '^ ^'^"'^ "''^' "^^^ '^'" ""^ ^^^ ^--^ — -^- and hrg.Ven 

 asci) F T '''°" ''""!= '' 'P°" '^'' (Perithecium) containing a bundle of spore sacs 



SDOre.; threT r.^'T" '^? ^^'"'' "'°""' ^'^'^'^ '"agnified, each containing 8 two-celled winter 



spores, three of which are shown at F. (After Longyear.) 



