Authors: Gray, Asa, 1810-1888, Author - Digital Collections - National Library of Medicine Search Results

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1. [Root system]

Author(s):: Gray, Asa, 1810-1888, Author
Publication:: New York: Ivison and Phinney, 1859

2. [Cactus]

Author(s):: Gray, Asa, 1810-1888, Author
Publication:: New York: Ivison and Phinney, 1859

3. [Cutting from castor oil plant]

Author(s):: Gray, Asa, 1810-1888, Author
Publication:: New York: Ivison and Phinney, 1859