/ 



TEXTBOOK OF 



THEORETICAL 



BOTANY 



BY 



R. C. McLEAN 



.M.A.(Cantab.), D.Sc.(Lond.), F.L.S. 

 AND 



W. R. IVLMEY-COOK 



B.Sc.(Lond.), Ph.D.(Lond.), F.L.S. 



\ OLLME II 



^^^ith Drawings by 

 Miss K. BEXSOX-EVANS, M.Sc, F.L.S. 



and 

 Photographs by the Authors 



LONGMANS, GREEN AND CO 



LOXDOX • XEWYORK • TOROXTO 



