CLASSIFICATION AND VALUE OF FIELD CROPS 3 



perhaps three-fourths of the cultivated forage crops. 

 The latter family, so called because the seeds, in most 

 cases, are borne in a pod or "legume," includes the true 

 clovers, alfalfa, the vetches, peas, beans, and the like. 

 The Irish potato and tobacco belong to the nightshade 

 family, Solanacese, while cotton belongs to the mallow 

 family, Malvaceae. 



VALUE OF FIELD CROPS 



According to the 1910 Census, the leading farm crops 

 in the United States possessed for the year 1909 the follow- 

 ing values : 



Below is given the 1909 value of the eleven field crops 

 treated in this text for the cotton-belt states only : 



