The officers of this Association shall be a President, two Vice-Presidents, a Secretary, and a Treasurer, who shall constitute the Executive Committee. These officers shall be elected at the annual meeting, and shall hold their offices until their successors shall have been elected. ARTICLE IV. It shall be the duty of the President, and in his absence of the senior Vice-President, to preside at all meetings of the Association, and to carry out all orders of the Executive Committee. ARTICLE V. It shall be the duty of the Secretary to keep a correct and careful record of all proceedings of the Association, and of the Executive Committee, in a book suitable for their preservation; to give notice of all meetings of the Association and of the Executive Committee; to make all publications, and to give all public and private notices ordered by the Executive Committee, and to attend to all the correspondence of the Association. ARTICLE VI. It shall be the duty of the Treasurer to keep the funds of the Association, and to make such disbursements as may be ordered by the Executive Committee. ARTICLE VII. It shall be the duty of the Executive Committee to manage all the affairs of the Association, to employ all laborers, to make all contracts, to expend all moneys, and generally to direct and superintend all improvements which in their discretion, and with the means at their command, will best serve the public interest. The Executive Committee shall hold a meeting at least once in each month, and as much oftener as they may deem expedient. The Executive Committee shall have power to institute premiums to be awarded for planting and protecting ornamental trees, and for doing such other acts as may seem to them worthy of such encouragement. They shall also encourage frequent public meetings of the Association and of citizens generally, both with a view to maintain an interest in their work, and for the general encouragement of the habit of meeting for discussion and amusement. ARTICLE VIII. Three members of the Executive Committee present at any meeting shall constitute a quorum for transacting business; and the vote of a majority of those present shall be binding on the Association. ARTICLE IX. No debt shall be contracted by the Executive Committee beyond the amount of available funds within their control to pay it; and no member of this Association shall be liable for any debt of the Association beyond the amount of his or her subscription. ARTICLE X.