THE CANADIAN HORTICULTUEIST. 



159 



MITCHELL S HAND-CfLTIVATOR. 



and frame wrought iron, being both 

 cheap, light and durable. 



" The wheel can be adjusted for deep 

 or shallow cultivation. 



" The knife or weeder running square 

 across between the rows, it never jumps 

 either to the right or left, so there is 

 no danger of cutting up plants although 

 the knife is passing close by them. 



'■ The knife can be adjust 'd so as to 

 ■cut all weeds perfectly clean, :md yet 

 very shallow, clipping the weeds just 

 below the surface, leaving the weeds 

 on surface without any roots, thus ])i-e- 

 venting the possibility of their growing 

 again. 



" This hand cultivator has been in- 

 vented by me after having over twenty 

 years' extensive experience in the mar- 



ket gardening, and after trying many 

 kinds made both in Canada and the 

 United States." 



Not having as yet given this Culti- 

 vator a trial, we cannot give any opinion 

 as to its merits and compared with 

 other hand cultivators. It certainly 

 gives us a favorable impression 



INSECTICIDES. 



PvRETHRUM, also kno^'n as Persian 

 insect powder or Dalmatian insect 

 powder, is a Persian ])]ant. \Yithin 

 the past few years, however, a large 

 amount of it has been grown in Cali- 

 fornia where it flourishes well. The 

 powder is made by drying and pulver- 

 izing the flowers. Californians have 



