[284] Guérard, Polyptique de l’Abbé Irminon, Paris, i. (1844) 715.
[285] Apparatus medicaminum, ii. (1794) 399.
[286] Journ. de Pharm. xvii. (1831) 360.
[287] The grey colour of the seed, which is attributed to rain during the ripening, is very detrimental to its value. The great aim of the grower is to produce seed of a bright reddish-brown, with no grey seed intermixed.
[288] Most minutely described and figured by F. von Höhnel, in Haberlandt’s Untersuchungen auf dem Gebiete des Pflanzenbaues, i. (Vienna, 1875) 171-202.
[289] See also Radix Armoraciæ, p. 68.
[290] I have obtained as much as 33·8 per cent. by means of boiling ether.—F. A. F.
[291] Journ. de Pharm. vi. (1867) 269.
[292] The best Flour of Mustard such as is made by the large manufacturers, contains nothing but brown and white mustard seeds. But the lower and cheaper qualities made by the same firms contain flour, turmeric, and capsicum. Unmixed flour of Black Mustard is however kept for those who care to purchase it.
[293] Annual Statement of the Trade and Navigation of British India, Calcutta, 1872. 62.