50 
ON MADDER. 
beautiful, and after a certain time destroys much of their 
tinctorial properties. Light also very quickly changes the 
coloring principle of these powders. 
It is rather difficult to ascertain exactly the quantity of 
madder gathered each year in France, as well in Alsatia as 
in the ancient county of Venaissin. 
In 1837 the crop of the Lizaris amounted, in these dis- 
tricts, to 1,200,000 kilogrms., which is equivalent to from 
48,000 to 50,000 barrels, of which part was sent to the 
different places where it is consumed, as well within as 
without the country, conformably to the following table : — 
Kilogrammes. 
Rouen, Havre, and Dunkirk, - 3,800 
Antwerp, - - 500 
Genoa and Leghorn, 183 
London, Liverpool, and Glasgow, - - 3,760 
London, Liverpool, and Glasgow, 800 bales of 
lizari, which represent - 3,500 
Hamburg, 530 
St. Petersburg, - 1,608 
Odessa, 110 
Rotterdam, 423 
Trieste, 205 
New York and Boston, - - - - S12 
Mulhausen, Strasburg, Metz and Basle, for 
the consumption of Alsatia, Prussia, Swit- 
zerland, Bavaria, Austria, &c. - - 15,000 
Total, - - - 30,481 
There remained, therefore, of the harvest of 1837 at 
Avignon and in the department, from 18,000 to 20,000 
barrels when the harvest of 18SS was about to be got in. 
This, although less than the former, amounted to between 
36,000 and 40,000 barrels. 
The manufacture at Avignon is always in a prosperous 
condition. 
