64 HOW TO MAKE SCHOOL GARDENS 
they attempt to do things at home, because 
they have not the things which they con- 
sider absolutely necessary. Several of 
the greenhouse architects now have on 
the market a very fine window garden 
which can be easily put on any window. 
It might be well to take up one or two 
lessons with the study of the seed before 
beginning the following lessons. The 
A SET OP SIEVES 
a. ^-inchmesh b. i-inchmesh c. Flour sieve 
sieves used can be easily made from one- 
half-inch mesh wire netting. A con- 
venient size is twelve by twenty inches and 
four inches deep. For Lesson II the one- 
quarter-inch wire mesh should be used. 
The flour sieve, for covering seed, can 
be obtained from local dealers. 
