; 
a',% - 
226 INDUSTRIAL PLANTS 5 
Fig. 215.—Upland Cotton. A, flower-bud. B, flower. C, unopened pod. 
D, open pod, displaying the masses of hairy seeds. F, pistil. F, stamen. 
G, ovary, cut across. H, seed showing mass of hairs (cotton). J, same, 
cut vertically, showing the much-folded embryo. (Baillon.) 
whence its culture slowly spread. It was introduced into this 
country in 1774. Long before the coming of Columbus, how- 
ever, Sea Island cotton was raised by the natives of tropical 
America. 
Upland cotton yields much the larger amount of fiber 
which although strong is only about 1-2 cm. long. The 
Sea Island cotton has a finer fiber, about 2.5-4 cm. long, and 
is therefore the more valuable; but the yield of the plant is 
