6 INTRODUCTION. 



tree. Sassafras, Blackberrj, &c. so ^yell known without 

 this help. 



25. The other deviations from the previous plan will 

 be easily perceived. None of them are very materiaU 

 The chief aim has been to reduce the extent of the 

 leading articles and to increase the indications. 



26. If the proposed extent of this volume allows of 

 sufficient space, several useful tables will be added to it, 

 with some Botanical Supplements. One of the additions 

 will be an account of sucn doubtful medical plants as are 

 only known as yet by their Indian or vulgar 



2r. The labour required to complete this work, in 

 such enlarged and improved style has been great; but I 

 trust to have fulfilled by it one of the aims in view, the 

 production of a complete and correct practical work. 



Philadelphia, May, 1830. C. S. R. 



ADDITIONAL WORKS CONSULTED. 



Agardh, Classes and Ordines Plantar, Lond. 1822. 

 AiNSLiE, Materia Medica of the Hindoos. 

 Annals of New York Lyceum, 1820 to 28- • 

 Castiglioxe, Travels in the U. States, Milan, 178£ 



West 



Manual 



come almost a general Flora of the United States, but 

 many omissions yet. 



Gameold, Medical Plants of the Cherokis. 



HiLAiRE, Medical Plants of Brazilj^'aris. 



JosSELYN, Early account of New England - 



Journal de Pharmacie, Paris, 1812 to 1830. 



Leconte, Monographies of Viola, Ruellia, &c. 



LoDDiGEs,^ Figures of Plants. 



Long, James and Keating, Travels in the U. States. 



Loudon, Encyclopedia of Plants, London, 1829. 



LuNAN, Hortus Jamaicensis, 1814. 



Schoolcraft, Travels in the United States. 

 SiLLiMAK, American Jour. Sciences 1818 to 1830- 

 TouRTELLE, Principles of Health. 

 lANNER, Narrative and Indian plants. 

 Ware and WiLLrAMs. Planfa nf i?]or,M« 



