810 WEED FLORA OF IOWA 



dairy commissioner, for analysis and comparison with the certified 

 statements required by sections one (1) and four (4) of this act. 

 The result of the analysis of the sample, together with additional 

 information shall be published from time to time in bulletins issued 

 by the state food and dairy commissioner upon approval of the 

 executive council. 



Section 7. Any person purchasing any agricultural seeds in 

 this state for his own use, may submit fair samples of said seeds 

 to the state food and dairy commissioner, who, upon receipt of an 

 analysis fee of fifty cents (50c) for each sample of agricultural 

 seeds shall cause an analysis of the same to be made. 



Section 8. No person shall sell in ground form, wheat or rye 

 screenings containing cockle or other poisonous or deleterious sub- 

 stances. 



Section 9. The term, agricultural seeds, as used in this act, 

 shall include the seeds of the red clover, white clover, alsike clo- 

 ver, alfalfa, Kentucky blue grass, timothy, brome grass, orchard 

 grass, red top, meadow fescue, oat grass, rye grass and other 

 grasses and forage plants, flax, rape and other cereals. 



Section 10. No person shall sell, offer, or expose for sale, or 

 distribution in this state, for the purpose of seeding, any of the 

 agricultural seeds as defined in section nine (9) of this act, unless 

 the said seeds are free from the seeds of the following weeds: 

 Wild mustard, or charlock (Brassica sinapistrum) , quack grass 

 (Agropyron repens), Canada thistle (Cnicus arvensis), wild oats 

 (Avena fatua), clover and alfalfa dodder (Cuscuta epithymum), 

 field dodder (Cuscuta arvensis), and corn cockle (Lychnis githago). 



Section 11. The seeds of the following weeds shall be consid- 

 ered as impurities in the agricultural seeds as defined in section 

 nine (9) of this act, sold, offered, or exposed for sale, within the 

 state for the purpose of seeding: White cockle (Lychnis vesper- 

 Una), night-flowering catchfly (Silene noctiflora) , curled dock 

 (Rum ex crispiis), smooth dock (Rnmex altissimus) , sheep sorrel 

 (Bumex acetosella) , yellow trefoil (Medicago lupulina), burr clover 

 (Medicago denticulata) , sweet clover (Melilotus alba and officinalis), 

 black mustard (Brassica nigra), plantain, buekhorn (Plantago 

 lanceolata). bracted plantain (Plantago aristata) , bindweed (Con- 

 volvulus septum), smooth crab grass (Panicum glabrum), common 

 chickweed (Stellaria media). When such impurities or any of 

 them are present in quantity exceeding a total of two per cent of 

 the weight of said agricultural seeds, the approximate percentage of 



