Dissolve fine glue or isinglass in such a quantity of water as that the solution, when cold, may be consistent. Pour it hot on a plate of mirror glass (previously warmed with steam and slightly greased), which is fitted in a metallic frame, having edges just as high as the wafers should be thick. Lay on the surface a second glass plate, also hot and greased, so as to touch every point of the gelatin while resting on the edges of the frame. By its pressure the thin cake is rendered uniform. When the glass plates have cooled, the gelatin will be solid, and may be removed. It is cut into discs of different sizes by means of proper punches. Washes for Vermin in Plants. 1. Tobacco water. Infuse I lb. of tobacco in a gallon of boiling water, in a covered vessel, till cold.

2. For Lice in Vines. Boil 1/2 lb. of tobacco in 2 quarts of water; strain, and add 1/2 lb. of soft soap and 1/4 lb. of sulphur. Mix.

3. For Aphides. Boil 2 oz. of lime and 1 oz. of sulphur in water, and strain.

4. Poison for Plant Lice, and other insects. Boil 3 1/2 oz. of quassia chips, and 5 drs. of powdered stavesacre seed, in 7 pints of water, to 5 pints. Strain when cold, and use with a watering pot or syringe,

5. For Red Spiders. A teaspoonful of salt in a gallon of water. In a few days wash the plant with pure water. See Blights, remedies for.