MANUAL OP THE APIARY. 



289 



-will never assume the scale form, though Prof. P. E. Uhler 

 ■writes me that the males of some bark lice are apterous. 



RE.UEDIES. 



If valued shade or honey trees are attacked by these 

 insatiate destroyers, they could probably bo saved by discreet 

 pruning — cutting off the affected branches before serious 

 injury was done, or by syringing the trees -with a solution of 

 ■whale oil, soap — or even common soft soap would do — ^just as 

 the young lice are leaving the scales. It would be still 

 better to have the solution hot. Whitman's Fountain Pump 

 is admirable for making such applications. 



Fig. lis slightly magnified ; the others are largely magnified. 



MOTHERWOKT AS A HONEY PLANT. 



{Leonurus cardiaca L.) 

 Perhaps none of our common herbs promises better, as a 



honey plant, than the one in question. 

 Tig. 114. 



It is a very hardy 



perennial, and once introduced in waste places, it is sure to 

 hold its own, until it becomes desirable to extirpate it, when, 



