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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1875, pages 1-2
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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 1881, pages 1-2
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Published in Asa Gray correspondence. Senders A, in 1878, pages 1-2
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Published in Biol Bull, in 1956, in volume 111, pages 364-374
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Published in The Wilson Bulletin, in 1998, in volume 110, issue 1, pages 65-70
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Published in Biol Bull, in 1972, in volume 142, pages 206-218
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Published in Biol Bull, in 1948, in volume 95, pages 163-168
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