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ABBREVIATIONS OF AUTHORS' NAMES. 



Bw Bigelow. 



D. C ...DeCandoUe. 



Lind Lindley. 



Linn .LinDceus. 



Mx ._ Michaux. 



Muhl Muhlenberg. 



Nutt Nuttall. 



P. de B _ Palisot de Beauvois. 



R. & S Roemer & Schultes. 



Ww Willdenow. 



