FERTILIZERS AND PLANT REMEDIES 



to the white Japanese iris, as the rose bugs 

 delight also to feed upon this choice flower. 



The most efficient remedy for the thrip, 

 the small yellow-white fly, which settles upon 

 the under side of the leaves of the rose bushes, 

 and so devours them that soon only the skel- 

 eton of a leaf remains, is spraying with a solu- 

 tion of whale-oil soap; two applications a 

 week apart will destroy them, but the odor 

 from the whale oil is unpleasant for twenty- 

 four hours, particularly so at the sunset hour; 

 it is a good plan, therefore, to be absent when 

 the whale-oil soap is used. 



The rose caterpillar is hatched from the 

 egg of a moth, rolls itself in the green leaves 

 of the bushes, and seems to be unaffected by 

 any poison. As this creature has a voracious 

 appetite and devours both the young rose 

 buds and the green leaves, he must be gotten 

 rid of in some way. But, until now, hand- 

 picking seems to be the only effective way. 



A solution of London purple, one-half 

 pound to fifty gallons of water, sprayed upon 



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