In scniliiig specimens of plants for investigation it is desirable 
to include the entire plant; if it is too large, portions showing 
leaves, flowers, and fruit arc suflicient. It is best to prepare the 
specimens by drying them under pressure between foldsof absorb- 
ent paper, otherwise the parts tnay shrink and break so as to be 
hardly recognizable. When dried plants are sent tliey should be 
protected from breakage in the mail by being inclosed in sheets of 
paper hot ween pieces of stifi'pastcboard. If specimen sure to be sent 
fresh, moisten Ihem slightly and pack them tightly In a box or in a 
bundle, wrapping them in heavy paper. Write the name of the 
sender on the outside. In the letter accompanying the specimens 
state where each plant was coUectBcl, the date, the name of the 
collector, and add any other notes in regard to the economic value 
of the plant. 
Packages weighing less than four pounds may be sent by mail 
at the rate of one cent per nance. 
Ilnitcb States Ulcpflrtinent of ^grifulturc, 
#otaitlcnl gliuloion, 
Washington, (D. C. 
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