Contents

1. Early American Agriculture
 Methods and terminology .
 Colonial introductions . .
 Introductions of the eighteenth century .
 Contributions of individuals
 Public experimentation and exploration


2. Search for New Crops 1770-1840
 Introductions by statesmen . .
 Benjamin Franklin .
 George Washington .
 Thomas Jefferson .
 Work of agricultural societies .
 Dr. Henry Perrine .

3. Federal Promotion of Crops
 The Treasury Circular of 1819 .
 The Treasury Circular of 1827 .
 Assistance of the Navy . .
 Diplomatic assistance .


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. 15
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. 19
. 20


. 26
 27
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 35


4. Leadership of the Patent Office 1836-62 *
 First agricultural appropriation ...
 Work of the Patent Office .. ..
 Agriculture under the Department of the Interior .
 Separate crop histories . .
 Miscellaneous introductions . .

5. The Commissionership 1862-89 ..
 Aims and methods of the commissioners .
 Horace Capron .
 Frederick Watts. .
 William Le Duc ... . .
 Norman Colman . .
 International exchange of plants .

6. Main Importations .........
 Wheat and small grains . .
 Oats . .. .
 Fiber crops .. . .. .
 Grapes .
 Citrus fruits .
 Tea ..


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 S 4
 S 7
 S 9
. 10


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