e4- Leadership of the Patent Office 1836-62 PRIOR to the agricultural appropriation of 1839, the govern- ment had made several sporadic attempts to encourage plant im- portation. In revising the tariff regulations in 1816, Congress per- mitted foreign plants and trees to enter duty-free. Efforts were made in 1822 to use the Mall, an area of 200 acres between the Capitol and the Washington Monument, as an experimental farm for propagating new seeds and plants. Dufour and Perrine had received land grants to carry on their work, and a committee on Agriculture was created in the House in 1820 and in the Senate in 1825. The grant of 1839, however, was the first significant Federal achievement in the field of agriculture. It called for an appropri- ation of $1,000 from the Patent Office funds to aid in collecting and publishing agricultural statistics and for the collection and distribution of seeds. Known as the Agricultural Division of the Patent Office, the new bureau came under the jurisdiction of the State Department. This work of handling new seeds and plants was considered a function of the Patent Office because of the department's concern with new discoveries and inventions. ELLSWORTH FAVORS PLAN Oliver Ellsworth, head of the Patent Office during this period, was instrumental in securing the appropriation of 1839. In the first Annual Report of 1837, Ellsworth recommended the establish- ment of a "depository" for new varieties of seeds and plants until they were distributed. Introductions brought in by the Navy had often failed for the lack of a regular means of distributing plant materials left with customs collectors. Although no immediate action was taken by Congress, Ellsworth continued to receive and [38]