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Frederick Pursh : Flora Amerlcae Septentrlonalis ; or a Sys- 

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RoEMER ET ScHULTEs : C. a Linnc Systema Vegetabilium se- 

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A. Richard : New Elements of Botany, containing the charac- 

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J. E. Smith : A Grammar of Botany, illustrative of artificial, as 

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A. P. De Candolle and K. Sprengel: Elements of the Phi- 

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John Lindley : An Introduction to the Natural System of Bot- 

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W. P» C. Barton: Compendium Florae Philadelphicae : contain- 

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 wiihin a circuit of ten miles around Philadelphia. Phil. 1818. 2 

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Amos Eaton : Manual of Botany of North America, containing 

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" " Botanical Grammar and Dictionary, translated from 

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Almira H. Lincoln : Familiar Lectures on Botany. Hartford, 

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Conversations on Vegetable Physiology : comprehending the ele- 

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The same, adapted to the use of schools, by Rev, J. L. Blake. 

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JVatural Philosophy and Mathematics. 



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J. A. De Luc : Recherches sur les Modifications de V Atmos- 

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Newtonus : Philosophice Naturalis Principia Mathematica ; per- 



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