122 LAWS AGAINST INJURIOUS INSECTS. 



persons or company have given the proper officer four days' notice, he ou they 

 shall not be required to hold such shipments further without directions from 

 such officer. 



Rule 3. All peach, nectarine, apricot, plum, or almond trees, and all other 

 trees budded or grafted upon peach stocks or roots, all peach or other pits, and 

 all peach, nectarine, apricot, plum, or almond cuttings, buds, or scions, raised or 

 grown in a district where the " peach yellows " or the " peach rosette " are 

 known to exist, are hereby prohibited from being imported into or planted or 

 offered for sale, gift, or distribution within the State of Oregon. 



Rule 4. All trees, plants, cuttings, grafts, buds, scions, seeds, or pits arriving 

 from any foreign countrj- found infested with insect pests or their eggs, larvne, 

 or puptp, or with fungi, or other disease or diseases hitherto unknown in this 

 State, are hereby prohibited from landing. 



Rule 5. Fruit of any kind grown in any foreign country, or in any of the 

 States or Territories, found infested with any insect or insects, or with any 

 fungi, blight, or other disease or diseases injurious to fruit or fruit trees, or to 

 other trees or plants, is hereby prohibited from being offered for sale, gift, or 

 distribution within the State. 



Rule 6. Any boxes, packages, packing material, and the like infested with 

 insect or insects, or their eggs, larvse, or pupae, or by any fungi, blight, or other 

 disease or diseases known to be injurious to fruit or to fruit trees, or to other 

 trees or plants, and liable to spread contagion, are hereby prohibited from being 

 offered for sale, gift, distribution, or transportation until said material has been 

 disinfected by dipping it in boiling water and allowing it to remain in said 

 boiling water not less than two minutes ; such boiling water used as such disin- 

 fectant to contain, in solution, one pound of concentrated potash to each and 

 everj' ten gallons of water. 



Rule T. All trees, plants, grafts, cuttings, buds, or scions may be disinfected 

 by dipping in a solution of three-fourths of a pound of whale-oil soap (eighty 

 per cent) to each and every gallon of water; said whale-oil soap solution shall 

 be kept at a temperature of 100 to 150 degrees. Said trees, plants, cuttings, 

 grafts, buds, or scions shall remain in said solution not less than two minutes. 

 After said trees, plants, cuttings, grafts, buds, or scions have been disinfected, 

 they shall remain in quarantine fourteen days, unless otherwise directed by the 

 inspecting officer, for subsequent inspection, and if deemed necessary by the 

 quarantine officer of the State board of horticulture, or a duly commissioned 

 quarantine guardian, for further disinfection. 



Rule 8. All trees, plants, cuttings, grafts, buds, or scions may be disinfected 

 by fumigation with hydrocyanic acid gas, as follows : Said trees, plants, cut- 

 tings, grafts, buds, or scions shall be covered with an air-tight tent or box, and 

 for each and every 100 cubic feet of space therein one ounce of (C. P.) cyanide 

 of potassium (ninety-eight per cent), one fluid ounce of sulphuric acid, and two 

 fluid ounces of water shall be used. The cyanide of potassium shall be placed 

 in an earthenware vessel, the water poured over the said cyanide of potassium, 

 afterward adding the sulphuric acid, and the tent or box to be immediately 

 closed tightly and allowed to remain closed for not less than forty minutes. 

 .\fter said trees, plants, cuttings, grafts, or scions have been treated with hydro- 

 cyanic acid gas as above directed, they shall remain in quarantine for fourteen 

 days, unless otherwise directed by the inspecting officer, for subsequent inspec- 

 tion, and if deemed necessary by a member of the State board of horticulture, 

 or the quarantine officer of said board, or a duly commissioned quarantine 

 guardian, for subsequent disinfection. 



Rule 9. All trees, plants, cuttings, grafts, buds, or scions imported or brought 



