In sending specimens of plants for investigation it is desiral)le 
to inchide the entire plant; if it is too large, portions showing 
leaves, flowers, and fruit arc sufficient. It is best to prepare the 
specimens by drying them under pressure between folris of absorb- 
ent paper, otherwise th<5 parts may shrink and break so as to be 
hardly recognizable. When dried plants are sent they should be 
protected fVom breakage in tlie mail by being inclosed in sheets of 
paper between pieces of stiff pasteboard. If specimens arc to be sent 
fresh, moisten them slightly and pack them tightly in a box or in a 
bivndle, wrapping them in heavy paper. Write the name of the 
sender on the outside. In the letter accompanying the specimens 
state whore each plant was collected, the date, the name of the 
collector, and add any other notes in regard to the economic value 
of the plant. 
Packages weigliing less than four pounds niaj’be sent by mail 
at the rate of one cent per ounce. 
flnitcb States Department of ^grifultnre, 
^otiTUtcnl 
Washington, (D. C.,^_ 
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