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Published in Asa Gray correspondence. Senders A, in 1881, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2
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Published in Torreya, in 1903, in volume 3, issue 9, pages 138-139
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Published in Nautilis, in 1932, in volume 46, pages 40-43
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Published in Nautilis, in 1890, in volume 3, pages 85-86
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