GREENHOUSE AND WINDOW-GARDEN WORK. 161 



wrapping-paper, and paste it firmly on the sasli with fresh flour 

 paste. Dry in a warm place and then wipe the paper with a 

 damp sponge to cause it to stretch evenly. Dry again and then 

 apply boiled linseed oil to both sides of the paper, and dry 

 agam in a warm place. 



2. Saturate cloth or tough, thin manila paper with pure, raw 

 linseed oil. 



3. Dissolve 1| pounds white soap in 1 quart water ; in 

 another quart dissolve 1^ ounces gum arable and 5 ounces glue. 

 Mix the two liquids, warm, and soak the paper, hanging it 

 up to dry. Used mostly for paper. 



4. 3 pints pale linseed oil ; 1 ounce sugar of lead ; 4 ounces 

 white rosin. Grind and mix the sugar of lead in a little oil, 

 then add the other materials and heat in an iron kettle. Apply 

 hot with a brush. Used for muslin. 



II. Liquid putty for glazing. 



Take equal parts, by measure, of boiled oil, putty, and white 

 lead. Mix the putty and oil, then add the white lead. If the 

 mixture becomes too thick, add turpentine. Apply with a 

 putty-bulb. 



12. Paint for shading greenhouse roofs. 



Make a paint of ordinary consistency of white lead and 

 naphtha. It is removed from the glass by the use of a scrubbing- 

 brush. Make it thin or it is hard to remove. 



Ordinary lime whitewash is good for temporary use. If salt 

 is added, it adheres better. It may be applied with a spray- 

 pump. 



13. To keep flower-pots clean. 



When the pots are cleaned, soak them a few hours in 

 ammoniacal carbonate of copper (recipe, p. 46). Soak them 

 about once a year. This fungicide kills the green alga upon 

 the pots, and prevents a new growth from appearing. 



M 



