474 



THE POPULAR SCIENCE MONTHLY 



TArtK T 



Tarlb I {CnntinveiW 



Ancient iMediesd 



d.-=p ^fellows. Peach 

 ^^T:r ±DFupeBnjwn Rot 

 '^— " PomeBrown Rot 

 Qnon Smut 

 Ibb occo Moscpc 

 i= J5cerohniose 

 Peach Curl 

 t =Bean Pod Spot 



t=:PYthiose 



— BotrYose 



RaspberrYAn thraaxae 

 Cot ton Wiit" 

 BoailoseofSolonaceoe 

 Cotton Anthrocnose 

 ■JPjto to Scob 



Ozoniose 



—I- -J- -| Qrucifen3e. R5axlomono5e 

 t=: Apple Blotch 



Tabu) I. Showing Advance in Knowledge regarding some of the Chief 

 P1.ANT Disbabbs. The broken upper line Indicates vague or Indefinite knowledge ; the 

 Bolld line definite knowledge. The lower broken line Indicates partial but unsatisfac- 

 tory knowledge concerning treatment; the solid line the possession of facts sufficient 

 for satisfactory treatment. 



