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North American Tract planted in the Missouri Botanical Garden.
1908 |
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John Burroughs (left) & John Muir (right) in Alaska. Harriman Alaska Expedition, 1899. Negative available at PHO 2007-0189.
1899 |
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Pereskia aculeata in cactus house.
1906 |
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Platanus occidentalis growing next to picket fence in the Arboretum.
1901 |
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Populus monilifera growing along Tower Grove Avenue. Tower Grove House visible above stone garden wall in the background.
1900 |
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Small boy standing next to example of Pilocereus tetetzo. Mitla Oaxaca road, Mexico. Picture taken by Hermann von Schrenk.
1903 |
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1900 |
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Desert view in Mexico. Cereus geometrizans. Photo taken by Hermann von Schrenk in 1906.
1906 |
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Weaved bags being made from Agave lechuguilla in the Monterrey region.
1900 |
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Herbarium of Linnaeus at Hammarby.
1900 |
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