PERSIAN INSECT POWDER
is the dried and pulverized flower of the Pyrethrum, a plant found in Asia and capable of easy cultivation in this country. It is a very valuable article as it is fatal to all insects, but is not poisonous to animals. It is usually scattered in cracks, etc., by means of a small bellows or air-gun. It is extensively employed in greenhouses and gardens, in addition to its use in stores and residences.