AMERICAN UPLAND COTTON 89 



all trace of green is absent, the color being 

 almost pure white, or in some varieties of a 

 brownish tint. In some varieties the seeds are 

 bare. In the long staple group are included: 



Allen Long Staple, Allen Hybrid Long Staple, 

 Black Rattler, Blue Ribbon, Cobweb, Cook 

 Long Staple, Colthorp, Davis, Florodora, 

 Gholson, Griffin, Keno, Laclede, Ozier Long 

 Staple, Simms, Sunflower, and Wonderful. 



Relative Value of Varieties. The relative 

 value of the different varieties can be determined 

 only by the number of dollars per acre each 

 will bring. Each section of the cotton growing 

 belt should secure varieties specially adapted 

 to the particular conditions by which they are 

 to be surrounded. W. R. Perkins, of the Mis- 

 sissippi Experiment Station, in a test of sixteen 

 well-known varieties, under the same conditions 

 and with the same cultivation found the differ- 

 ence in value per acre of the best over the poor- 

 est was $19.25 one year, and $26.81 another 

 year. This wide range of values would certainly 

 indicate that ascertaining the proper variety 

 to be grown was necessary for success. A 

 variety may succeed well in one locality and 

 when transferred to another section and planted 



