120 PRODUCTIVE FARMING 



ing the growth of the Sea Island cotton. The price of thi& 

 type of cotton is high because of the great value of such long 

 fibers in making spool cotton for sewing. This plant grows 

 rather taller than upland cotton, has long, flexible branches; 



Courtesy of Johnson & Johnson, New Brunswick, N. J. 



FIG. 61. Four grades of lint, showing length of fiber, from samples of short- 

 Btaple upland cotton. The relative amounts are also indicated by the masses in 

 the photograph. 



the leaves are more deeply lobed; the flowers are yellow 

 instead of white when freshly opened; the staple is longer, 

 the seeds are free from lint after ginning. 



