Leaves of trees and many plants have unnumbered possibilities in 

 decorative design for cover or ' lining'* papers for books, wall papers, 

 printed fabrics and other uses. See page 64. 



as witness the design worked out for book "lining 

 papers" — the material used for lining the front and 

 back board covers, and for the facing side of the first 

 "fly-leaf." In this case the exquisite leaf of the 

 liriodendron, or tulip tree, was used, the photograph 

 being blue-printed, fhe design dr^wn in "line" over it, 



