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William Russell Birch, "Woodlands, the Seat of Mr. Wm. Hamilton, Pennsylvania," from Country Seats of the United States, 1808.
Credit: The Library Company of Philadelphia
Some of the seeds and cuttings that Lewis and Clark sent back from their expedition Thomas Jefferson forwarded to William Hamilton, who cultivated them at his Woodland's estate on the banks of the Schuylkill River, where he kept one of the nation's finest botanical gardens.