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[1908.] Gray's New Manual of Botany, ed. 7, rev. by B. L. Robinson and M. L. 
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[1912.] Zygadenine. The crystalline alkaloid of Zygadenus intermedius. Sec- 
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1913. Zygadenine. The crystallin alkaloid of Zygadenus intermedius. Journal, 
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— Loy, S. K., Knight, H. G., and Prien, O. L. 
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— and Raipord, Charles. 
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