THE 



GEOLOGICAL HISTORY 

 OF PLANTS 



BY 



SIE J. WILLIAM DAWSON 



C.M.G., LL.D., F.R.S., ETC. 



WITH ILLrSTRATIONS 



LONDON" 



PAUL, TRENCH & CO., 1, PATERNOSTER SQUARE 

 1888 



LIBRARY 



