EXPERIMENT STATION BULLETINS. 385 



final product shall not contain over six per cent of weed seeds and other for- 

 eign materials and provided further that no portion of the stated six per 

 cent of weed seeds and other foreign materials shall be deliberately added. 



Oil Meal is the ground product obtained after the extraction of part of the 

 oil by crushing, cooking and hydraulic pressure, or by crushing, heating and 

 the use of solvents from seeds which have been screened and cleaned of weed 

 seeds and other foreign materials by the most improved commercial processes. 

 When used alone the term ' 'Oil Meal' ' shall be understood to designate lin- 

 seed meal as defined. When used to cover any other product the name of the 

 seed from which it is obtained shall be prefixed to the words ' 'oil meal.' ' 



Old Process Oil Meal is the ground product obtained after extraction of 

 part of the oil by crushing, cooking and hydraulic pressure from seeds screen- 

 ed and cleaned of weed seeds and other foreign materials by the most improved 

 commercial processes. When used alone the term ' 'Old Process Oil Meal' ' 

 shall be understood to designate linseed meal as defined, made bj^ the old 

 process. When used to cover any other product the name of the seed from 

 which it is obtained shall prefixed to ' 'old process oil meal.' ' 



New Process Oil Meal is the ground product obtained after extraction of 

 part of the oil by crushing, heating and the use of solvents from seeds screened 

 and cleaned of Aveed seeds and other foreign materials by the most improved 

 commercial processes. When used alone the term ' 'New Process Oil Meal' ' 

 shall be understood to designate linseed meal as defined, made by the new 

 process. When used to cover any other product the name of the seed from 

 which it is obtained shall be prefixed to ' 'new process oil meal.' ' 



Flax Plant By-Product is that portion of the flax plant remaining after the 

 separation of the seed, the bast fiber and a portion of the shives, and consists 

 of flax shives, flax pods, broken and immature flax seeds, and the cortical tis- 

 sues of the stem. 



Ground Flaxseed or Flaxseed Meal is the product obtained by grinding flax- 

 seed which has been screened and cleaned of weed seeds and other foreign 

 materials by the most improved commercial processes, provided that the 

 final product shall not contain over four per cent of weed seeds and other 

 foreign materials, and provided further that no portion of the stated four per 

 cent of weed seeds and other foreign materials shall be deliberately added. 



Unscreened Flaxseed Oil Feed is the ground product obtained after extrac- 

 tion of part of the oil from unscreened flaxseed by crushing, cooking and hy- 

 draulic pressure, or by crushing, heating and the use of solvents. When sold 

 without grinding the unground product shall be designated as "unscreened 

 flaxseed oil feed cake." 



Ingredients of Unscreened Flaxseed Oil Feed — Ground cake from partially 

 extracted flaxseed and foreign seeds (wheat, wild buckwheat, pigeon grass, 

 wild mustard, etc.) 



Screenimjs Oil Feed is the ground product obtained after extraction of part 

 of the oil by crushing, cooking and hydraulic pressure, or by crushing, heating 

 and the use of solvents from the smaller imperfect grains, weed seeds and other 

 foreign materials, having feeding value, separated in cleaning the grain. The 

 name of the grain from which the screenings are separated shall be prefixed 

 to "screenings oil feed." 

 49 



