America's Crop Heritage the West Indies would be smuggling in lower priced sugar from the United States! Work With Plants-Perrine was quite interested in agaves, particularly the Agave sisalana. Many species of these plants were common in Mexico and Central America and one species, the century plant, could be used in more than a dozen different ways. Perrine claimed to have invented a method of separating the fibers from the leaves of the Henequen Agave, commercially known as Sisal Hemp, by means of rotary scrapers. This invention, which he compared to Whitney's cotton gin, he expected would revolutionize agriculture. A great many tropical plants other than the agaves attracted Perrine's attention. He thought of the logwood tree in Yucatan and suggested that a monopoly on logwood be established by plantings in America. The demand for vegetable dyes caused him to study many other dye-producing plants. Among these were the cochineal cactus with its insect parasite which produces a reddish dye, the "shrub Indigo," the common indigo of Tabasco, and a tree indigo. He sent seeds of these and of nankeen colored cotton, the India rubber tree, the "Pasture tree," a soap tree (its sapona- ceous fruit was used as a substitute for soap), the "Purgative Pin- ion," "Spanish Cedar," a large ground gourd, tree-cotton, and others. The House and Senate each originated bills in 1838 for a land grant to Perrine and each published a Report on his activities. (7) The grant became a law in July of 1838. Perrine and his associates were awarded a township of 23,040 acres in any portion of the public lands below twenty-six degrees north latitude. It was to be occupied within two years and each section had to be occupied within eight years from the date of the location of the tract by an actual settler cultivating useful tropical plants-otherwise the land would be forfeited. Perrine apparently planned to spend the rest of his life on his plant work at Indian Key, a twelve-acre island in Florida where his land grant was located. Against the advice of the Secretary of War who warned him that the Seminoles were rising, Perrine landed his family on Indian Key, Christmas morning of 1838. Six months later Perrine was shot, and his home and valuable notes on his work burned by a Seminole war party. (8) Most of Perrine's plants were destroyed during the massacre, but some of them were later carried off by Army officers to greenhouses in the North or