AMERICAN UPLAND COTTON 8 1 



imperceptible gradations, just as is the case 

 with related varieties. 



Below is given a list of the varieties which 

 are included under these several groups, and 

 also a general description of the varieties 

 composing each class. Some varieties are not 

 classified, either because of insufficient data, 

 or more frequently because badly mixed. 

 In cases of a medium degree of impurity, or 

 variation, description has been made of the 

 predominant type. 



Group I: Cluster Varieties, or Dickson 

 Type. The most striking characters are (i) 

 the extreme shortness of the fruit limbs, and 

 (2) the tendency of the bolls to grow in 

 clusters, often two and even three from the 

 same node. The plants are often tall and 

 always slender and normally erect, though 

 often bent down by the weight of bolls growing 

 near the upper end of the main stem. The 

 few base limbs are often long, or there may be 

 no wood limbs, especially when these varieties 

 are closely crowded or grown on poor land. 

 The bolls and seed are usually small, but 

 may be of medium size; the seed are thickly 

 covered with fuzz, which is usually whit- 



