1 The ash of tea contains potash, soda, magnesia, phosphoric acid, chlorin, carbonic acid, iron, silica, and traces of manganese.

From this it appears that Gunpowder tea, bulk for bulk, is more than three times as heavy as Oolong; consequently in using it only about one third as much should be taken for a given amount of water. In making the infusion teas should be weighed, not measured, but it is not easily practicable in all households to do so; however, it can always be borne in mind that the closely rolled, teas, such as Gunpowder, Young Hyson, and Japan, should be used in smaller proportion than those which are loosely rolled, like Oolong, English Breakfast, and other black teas.

There is a popular notion that green teas are dried on copper, but according to unquestionable authorities it is an erroneous one. Green teas are dried quickly so that the natural color of the leaves is preserved. Black teas are dried slowly for many hours until a sort of fermentation sets in, which causes the difference in color, as pickings from the same plant may, in the process of curing, become either green or black tea, according to the method employed. Also, different varieties of tea may be made from the same branch by difference of treatment in curing, the aromatic flavors, which did not exist in the leaves before, being produced by the drying. Different varieties or kinds of tea are also made from the same plant by gathering the leaves at different ages.

Black tea should be black, but not dead black, - rather of a grayish hue. No red leaves should be mixed with it. It should be regular in appearance, each leaf with a uniform twist, that is, in all except the " broken" teas. The leaves of tea are gathered four times a year by hand, and the finest kind is made from the tender young buds. Young Hyson is made from the early buds of April, and is noted for its mild, delicate flavor.

The principle most to be avoided in tea is the tannin, which in any considerable quantity is injurious to health. It dissolves easily when tea is either steeped for a length of time, or boiled. The important point, therefore, is not to make tea more than a few minutes before it is to be drunk, and not to boil it.

The principal kinds of tea in common use are Oolong, Japan, English Breakfast, Imperial, Gunpowder, and Young Hyson. Gunpowder, Japan, Young Hyson, and Imperial are green teas; the others are black.