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raington, though I have noticed a few that are earlier than 

 he gives them. 



The Catalogue is arranged according to the Natural 

 Orders of Professor Lindley, as applied ta our Flora, by 

 Dr. Torrey, in his Appendix to Lindley's work. The 



(fifth 



Manual 



containing more plants than any other to which I could 



refer. 



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ooTjes 



as they are known, and the localities of a few rare spe- 

 cies, are given for tlie benefit of such as may have occa- 

 sion to refer to the catalogue on the spot. Most of the 

 plants are abundant. 



It has occurred to me while preparing this paper, but 

 too late to profit by the suggestion any farther than to 

 offer it to others, that a classification of the soils peculiar 

 to the district, to which the several species may be refer- 

 red by appropriate characters, is a desirable appendage to 

 ^ ' of this kind. The botanist, and especially the 



florist, would find it interesting and profitable to know the 

 habits of the plants, as indicated by their choice of soils. 

 The terms wet, dry, shady, &c., suggest ideas as different 

 as the features of the country we inhabit, and are too 

 Indefinite for general application. 



+ 



In preparing the Catalogue I have been kindly assisted 

 by Dr. Torrey, whose name will at once ensure confi- 

 dence in its general accuracy. To him have been com- 

 municated neariy all the doubtful and new species, and they 

 have received numerous corrections and references. The 

 most difficult species may, therefore, be regarded ' as the 

 most accurately referred. In my own part of the labor, 



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