F L O E A 



FROM THE 



APALACHIAN COAL-FIELD. 



ixAUGUEAL DISSERTATION FOR THE DEGREE 



OF 



DOCTOR OF PHILOSOPHY, 



ADDRESSED TO 



THE PHILOSOPHICAL FACULTY 



OF TBE 



IKniPfrsiti) of CDotttngen: LIBRARY 



iNEW YORK 

 BOTANICAL 

 *^ GA.RDSN' 



JAMES P. KIMBALL 



or SALEit, MASS. 



GOTTIXGEN: 



PRIMED AT THE UNIVERSITY PRESS, 



BY E. A, HTTH. 

 1857. 



