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Subjects: (Charles Christopher),; 1809-1884; 1823-1890; 1825-1896; 1829-1911; 1831-1906; Agave; Barroeta, Gregorio Corbalan,; Botanical specimens; Cactaceae; Climate; Correspondence; Ecology; Engelmann, George,; Identification; Letters; Liliaceae; Mexico; Mueller, Ferdinand von,; Observations; Opuntia; Opuntia tunicata; Palmer, Edward,; Parry, C. C; Plants; Receipts (Acknowledgments); San Luis Potosi? (Mexico); Seeds; Tuna cardona; Tuna cuija; Yucca</div>
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Barroeta, Gregorio Corbalan,</div>
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