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cases of animal dissemination of seeds such as mesquit, acacia, and honey locust, are on record. In some cases even the seeds of corn, oats, millet, and foxtail have been found capable of germination after they have passed the digestive tract of animals. However, there is little danger from these in manure.

The Results of a Test of Germinability of Seeds which Had Been Deposited in Manure for Five Weeks.

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| White Clover, Trifolium repens 2..... 200 - 0 98 Red Clover, Trifolium pratense.. 200 0 96 Black Medic, Medicago lupulin 0 — Lady's Thumb, Polygonum Persi - 1 1 1 72 Chess, Bromus secalinus. . . . . . . . . . . . . 0 8 Pepper grass, Lepidium virginicum 200 0 32 Sweet Clover, Melilotus alba.... 200 1 || 1 1 8 Large Ragweed, Ambrosia trifida . . . . . . 200 0 20 Hedge Mustard, Sisymbrium officinale. 200 0 10 Common Pigweed, Amarantus retro

flexus. ...... :: . . . . . . . . . . . . . . . . . . ... | 200 1 1 1 62 Squirrel-tail, Hordeum jubatum........ 200 1 + 26 Lamb's Quarter, Chenopodium album.. Ó 88 Wheat, Triticum sativum ... . . . . . . . 0 98 uack Grass, Agropyrum repen 1 0 54 orn, Zea Mays } |98 Oats, Avena sativ 0 98 Water Horehound, Lycopus rubellus ... 200 0 — Bull Thistle, Cirsium lanceolatum ... . . . 200 0 || 0 Crab Grass, Digitaria sanguinalis . . . . . 200 Q 20 Wild Rose, Rosa arkansana. . . . . . . . . . 200 0 10 Whorled Foxtail, Setaria verticillata. . . . 200 0 — Curled Dock, Rumex crispus. . . . . . . . . 200| 1 1. 1 88 Green Foxtail, Setaria viridis. . . . . . . . . . 200 0 28 Bur Clover, Medicago denticulata . . . . . 200 0 || – Pigeon Grass, Setaria glauca. . . . . . . . . . 200 0 30 Sunflower, Helianthus annuus. . . . . . . . 200 1 1 1 26 Buckhorn, Plantago lanceolata. . . . . . . . 200 0 — Bracted Plantain, Plantago aristata . . . 200 0 Cocklebur, Xanthium canadense. . . . . . 200 0 22 Rugel's Plantain, Plantago Rugelii... 200 1 % |

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CHAPTER VI. SOME WEED LAWS AND SEED-CONTROL LAWS

In connection with weed control the following laws are published here with: The Iowa Weed Law, the Iowa Seed Law, which has formed the basis for seed laws of several states, and the seed law proposed for general adoption, prepared by a committee of the American Seed

Trade Association and the American Association of Official Seed Analysts.

THE IOWA WEED LAW

SECTION I. LAND Owners or TENANTs to DESTROY WEEDs; WHEN.— It shall be the duty of every person, firm or corporation owning, occupying or controlling lands, town and city lots, land used as right of way, depot grounds or for other purposes to cut, burn or otherwise entirely destroy all weeds of the kinds mentioned in section two (2) hereof at such times in each year and in such manner as shall prevent the said weeds from blooming or coming to maturity.

Sec. 2. Noxious Weeds.-The following weeds are hereby declared to be noxious weeds, namely: Quack grass (Agropyron repens), Canada thistle (Cirsium arvense), cocklebur (Xanthium canadense), wild mustard (Brassica arvensis), sour or curled dock (Rumex crispus), smooth dock (Rumex altissimus), buckhorn or ribbed plantain (Plantago lanceolata), and wild parsnip (Pastinaca sativa), horse nettle (Solanum carolinense), velvet weed or button weed (Abutilon Theophrasti) and burdock (Arctium lappa).

Sec. 3. DESTRUCTIcN on HIGHways; NEGLect or REFUsAl to DeSTROY.—It shall be the duty of the township trustees or other officers responsible for the care of public highways in each township or county in this state to destroy or cause to be destroyed all noxious weeds mentioned in section two (2) hereof or unnecessary brush on the highways in such a manner as to effectually prevent the production of their seeds or their propagation in any other manner, to warn out labor or to employ labor for this purpose in the same manner as for repairs to the highways, and for neglect or failure to perform this work they shall be subjected to the penalties in this act. If any occupant of lands adjacent to the public highways neglect or refuse to destroy the noxious weeds upon his land, or shall fail to prevent the said noxious weeds from blooming or coming to maturity, when such weeds are likely to be the means of infesting the public highway, or upon complaint of any landowner to the township trustees that his lands have been or are likely to be infested by weeds from the lands of another, including railway right of way, the trustees shall make investigation of such condition or complaint, and if the same appe. to be well founded, they shall make an order fixing the time within which the weeds shall be prevented from maturing seed, and an order that within one year such noxious weeds shall be permanently destroyed, and prescribing the manner of their destruction and shall forthwith give notice to the occupant of the lands where the noxious weeds exist, and if he shall neglect to obey such order within the time so ordered the trustees may cause such noxious weeds to be prevented from maturing seeds or may cause such noxious weeds to be permanently destroyed, and the cost of the work shall be recovered from the owner by a special tax, to be certified by the township clerk in the same manner as other road tax not paid. SEC. 4. RoAD FUNDs MAY BE EXPENDED.—The destruction of noxious weeds in the public highway and other public places is hereby made a part of the road work of the township trustees and the county supervisors, and they shall have authority to expend road funds for the destruction of weeds. Sec. 5. PROPERTY TAX.—The law, as it appears in section fifteen hundred and twenty-eight (1528) of the supplement to the code, 1907, is hereby amended as follows, namely: By inserting after the comma in the eighth line thereof the following words: “and for the destruction of noxious weeds in public highways and other public places,” and by striking out the word “four” in the tenth line of said section and inserting the word “six” in lieu thereof. SEC. 6. SCHOOL OF INSTRUCTION.—Between November and the succeeding April of each year the county supervisors shall call a meeting of the township trustees and the road supervisors of the county to consider the best methods of road work and weed destruction, and in the public interest may secure services of experts to give instruction in road building and weed destruction. For such attendance the same compensation shall be allowed to the trustees and road supervisors and the county supervisors as is allowed by law for other services, to be paid as other expenses. The expenses of experts herein provided for may be paid from the county road fund Sec. 7. CUTTING OF WEEDs of HIGHways.-It shall be the duty of township trustees and other officers directly responsible for the care of public highways to cause to be cut near the surface all weeds on the public highways in their respective districts at such times and in such manner as to prevent seeds from maturing. SEC. 8. PENALTY.-Any person, firm or corporation violating any of the provisions of this act, or any township trustees, inspector or other officer who neglects or fails to perform the duties incumbent on him under the provisions of this act, shall be guilty of a misdemeanor, and shall be punished by a fine not exceeding one hundred dollars ($10o.oo).

IOWA SEED LAW

SECTION I. Every lot in bulk, barrel, bag, pail, parcel or package of concentrated commercial feeding stuffs as defined in section three (3) of this act; and every parcel, package or lot of agricultural seeds as defined in section nine (9) of this act, and containing one pound or more, offered or exposed for sale in the state of Iowa, for use within this state, shall have affixed thereto, in a conspicuous place on the outside thereof, distinctly printed in the English language, in legible type not smaller than eight point heavy gothic caps, or plainly written, a statement certifying: In the case of agricultural seeds: First. The name of the seed. Second. Full name and address of the seedsman, importer, dealer or agent. Third. A statement of the purity of the seed contained, specifying the kind and percentage of the impurities as defined in sections eleven (11) and twelve (12) hereof, provided that said seeds are below the standards fixed in this act. Fourth. Locality where said seed was grown, when known. Sec. 6. The state food and dairy commissioner shall cause to be made analyses of all agricultural seeds sold or offered for sale in this state. Said state food and dairy commissioner is hereby authorized, in person or by deputy, to take for analysis a sample from any lot or package of agricultural seeds, a sample not exceeding four ounces in weight; but said sample shall be drawn or taken in the presence of the party or parties in interest, or their representative, and shall be taken from a parcel, lot or number of parcels which shall not be less than five per cent of the whole lot inspected and shall be thoroughly mixed and divided into two samples and placed in glass or metal vessels carefully sealed and a label placed on each, stating the name or brand of the agricultural seeds or material sampled, the name of the party from whose stock the sample is drawn, and the date and place of taking such sample, and said label shall be signed by the said state food and dairy commissioner, or his authorized agent; or said sample may be taken in the presence of two disinterested witnesses; one of said duplicate samples shall be left on the premises of the party whose stock was sampled and the other retained by the state food and 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. Sec.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 (5oc.) for each sample of agricultural seeds, shall cause an analysis of the same to be made. Sec. 8. No person shall sell in ground form, wheat or rye screenings containing cockle or other poisonous or deleterious substances. Sec. 9. The term, agricultural seeds, as used in this act, shall include the seeds of the red clover, white clover, alsike clover, alfalfa, Kentucky blue grass, timothy, brome grass, orchard grass, red top, meadow fescue, Oat * rye grass and other grasses and forage plants, flax, rape and cereals.

SEC. Io. 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 (Lychmisgithago). Sec. 11. The seeds of the following weeds shall be considered 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 vespertina), night-flowering catchfly (Silene noctiflora), urled dock (Rumex crispus), smooth dock (Rumex altissimus), sheep sorrel (Rumex acetosella), yellow trefoil (Medicago lupulina), bur clover (Medicago denticul ), sweet clover (Melilotus alba and M. officinalis) black mustard (Brassica migra), plantain buckhorn (Plantago lanceolata), bracted plantain (Plantago aristata), bindweed (Convolvulus sepium), smooth crab grass (Panicum glabrum), common chickweed (Stellaria media). When such impurities or any of them are present in quantity exceeding a total of 2 per cent of the weight of said agricultural seeds, the approximate percentage of each shall be plainly indicated in statement specified in sec. one (1) of this act. Sec. 12. Sand, dirt, chaff and foreign substances and seeds other than those specified in sections thirteen (13) and fourteen (14), or broken seed and seed not capable of germinating, shall be considered impurities when present in agricultural seeds sold, offered, or exposed for sale, in this state, for the purpose of seeding, and when such impurities, or any of them, are present in quantity exceeding the standards of purity and viability authorized in section sixteen (16) of this act, the name and approximate percentage of each shall be plainly indicated in the statement specified in section one (1) of this act. Sec. 13. For the purposes of this act, seeds shall be deemed to be mixed or adulterated: First. When orchard grass (Dactylis glomerata) seed contains Io per cent or more by weight of meadow fescue (Festuca elation pratensis) seed, or Italian rye grass (Lolium italicum) seed, or English rye grass (Lolium perenne) seed. Second. When blue grass or Kentucky blue grass (Poa pratensis) seed contains 5 per cent or more by weight cf Canadian blue grass (Poa compressa) seed, red top chaff, red top (Agrostis alba) seed, or any other seed or foreign substance. Third. When red clover (Trifolium pratense), mammoth red clover (Trifolium pratense var.), or alfalfa (Medicago sativa), contains 5 per cent or more by weight of yellow trefoil (Medicago lupulina), or sweet clover (Melilotus alba and M. officinalis) seed or bur clover (Medicago denticulata) seed. Fourth. When rape (Brassica rapa) contains 5 per cent or more of common mustard (Brassica sinapistrum) or black mustard (B. migra). Sec. 14. For the purposes of this act, seed shall be deemed to be misbranded:

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