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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1875, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1

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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1873, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2

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