<div class="description">
Subjects: (Charles Christopher),; (Henry Nicholas),; (John Aston),; 1805-1877; 1806-1889; 1807-1837; 1809-1884; 1810-1888; 1812-1883; 1822-1882; 1823-1890; 1823-1895; 1831-1897; 1849-1901; Begonia; Begoniaceae; Bolander, Henry N; Botanical specimens; Braun, Alexander,; Collectors and collecting; Coniferae; Correspondence; Dawson, George Mercer,; Drummond, Thomas,; Ecology; Engelmann, George,; Gray, Asa,; Hall, Elihu,; Health; Isoetaceae; Isoetes; Lesquereux, Leo,; Letters; marquis de,; Musci; Parry, C. C; Plants, Fossil; Receipts (Acknowledgments); Saporta, Gaston,; Warder, J. A</div>
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Lesquereux, Leo,</div>
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