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Origin of pyrethrum
Words nearby pyrethrum
How to use pyrethrum in a sentence
There are very few data at hand concerning the discovery of the insecticide properties of pyrethrum.
How anything can be gay with Pyrethrum uliginosum I cannot imagine.
An irritant substance, as Ginger, or Pyrethrum, tends especially to cause this secretion when masticated.The Action of Medicines in the System|Frederick William Headland
If the flies are very numerous, catch them in wire traps, or burn pyrethrum powder in the room.Foods and Household Management|Helen Kinne
To clean the room where there are many flies, burn pyrethrum powder (Persian insect powder).The Eugenic Marriage, Volume IV. (of IV.)|Grant Hague