EXTRACTING AND CLEANING FOREST TREE SEED. pes 
Do not pile the cones too thickly in the trays. 
Have the best available apparatus for putting out fires always 
ready for use. 
EXTRACTING SEED. 
Do not break the cone scales in raking or shaking more than is 
absolutely necessary. 
Extract the seed as thoroughly as possible, but do not attempt to 
secure every single seed. 
CLEANING SEED. 
If moisture is used in removing wings, dry the seed as thoroughly 
and quickly as possible. 
Do not use moisture in cleaning any but pine seed. 
Do not consider seed clean until wings, impurities, and empty and 
broken seeds have been removed. 
STORING SEED. 
Store clean seed whenever possible in air-tight receptacles. 
$i oat COPIES of this publication 
may be procured from the SUPERINTEND- 
ENT OF DOCUMENTS, Government Printing 
Office, Washington, D. C., at 5 cents per copy 
