HORTICULTURAL JOURNAL. 29 
M, Folkersahm desires that the effects of this powder should be tried on 
other insects and worms hurtful to man, or to his horticultural plantations ; 
he adds, that if experiments demonstrate the efficacy of this powder, each 
peasant could cultivate in a corner of his garden, a certain number of plants 
of .red camomile to kill all the insects, caterpillars, etc., which ravage his 
field. From an approximative calculation, it is found that a space of 18 
square versts furnishes a quintal of ]30wder. 
H. Galleotti, 
in ^^ Journal d' horticulture de Belgique." 
Note. — Professor Morren was right in saying that the true enemies of the flea ■were to be 
found in the family of the Compositte ; the virtues of the Pyrethrum roseum have corroborated 
his opinion, founded on the use -which is still made in Dalmatia and Bosnia of the large Aster 
[Chrysanthemum leucanthemum) of our fields to drive away fleas. Professor Cantraine, in a 
notice communicated to the Royal Academie of Sciences of Belgium, says, that he was asto- 
nished at the small quantity of fleas in certain parts of Eastern Europe. The Dalmatians and 
the Bosnians mix the Aster with the litter of domestic animals. M. Morren cites another 
composite plant, the Inula 2:>ulicaria, Linn., whose virtues in destroying insects were described 
in the sixteenth century by the illustrious Dodens of Malines. — H. G. 
Mr. B. Roezl, who lived a long time in Russia, informs me that the Insecten pulver (powder 
of the Pyrethrum) is imported every year from Persia and the Caucasian provinces into all 
of the Russian empire, and that used fresh, sprinkled over the window sills, it makes all the 
flies fall instantly, asphyxiating them, but that at the end of a year it loses its energy. He 
assures me that it is the Pyrethrum carneum and roseum which produce this powder. I have 
cultivated this plant for twenty years. Louis Van Hotjtte, 
in "Flore des Serres." 
UNITED STATES AGRICULTURAL SOCIETY. 
The Third Annual Meeting of the United States Agricultural Society 
will be held at Washington, D. C, on Wednesday, February 28, 1855. 
Business of importance will come before the meeting. A new election of 
officers is to be made, in which it is desirable that every State and Territory 
should be represented. 
Lectures and interesting discussions are expected on subjects pertaining to 
the objects of the association, by distinguished scientific and practical 
Agriculturalists. 
The various Agricultural Societies of the country are respectfully request- 
ed to send delegates to this meeting ; and all gentlemen who are interested 
in the welfare of American Agriculture, who would promote a more cordial 
spirit of intercourse between the different sections of our land, and who 
would elevate this most import pursuit to a position of greater usefulness 
and honor, are also invited to be present on this occasion. 
Marshall P. Wilder, President. 
W. S. King, Secretary. 
