Smithsonian Report. 1960— Palmer 



Plate 5 



i 



Cuiiiposile photomicrograph of longitudinal views of mature tihers showing different 

 degrees of fineness over a wide range as found in American upland cniton. Magnifica- 

 tion in all cases X 165. 



tt 



(I 



-f 



.w 



2. Compos 

 of matur 

 Mauuiific 



ite photomicrograph of longitudinal \icws of fibers showing variations in degree 

 ity or cell-wall thickening o\'er a wide range as found in American u[iland cotton, 

 ation in all cases X 165. 



