This agreement made the ...... day of ......, 19.........., between ......, hereinafter called the vendor, and......, hereinafter called the purchaser.

The vendor will sell and the purchaser will buy, in fee simple and unincumbered, all that parcel or land numbered ...... on the plan heretofore annexed, for price of......, to be paid for upon the tender of a good and sufficient deed.

In consideration of the agreement to purchase hereinabove contained, the purchaser shall have the option, at any time during the period of......months from the date hereof, of purchasing all or any of the lots set forth on said plan, in addition to the lot now agreed to be purchased at the price of ....... Such option shall be exercised by the purchaser giving to the vendor one calendar month's notice, in writing, of his intention to purchase, and specifying the lot or lots to be purchased, and such purchases shall be completed at the office of the vendor's attorney, upon the payment by the purchaser to the vendor of the price for each lot of......; provided, that if the purchaser, having given notice as aforesaid of exercising the said option, shall fail to complete the purchase comprised in such notice, in accordance with this agreement, he shall not be entitled at any subsequent time to exercise such option in respect of the same premises, and the option shall thereupon be determined, without prejudice to any rights which the vendor may have against the purchaser by reason of such default. It is expressly agreed that, for all purposes connected with the exercise of the option hereby given, time shall be deemed to be of the essence of the contract.

The property is sold, and will be conveyed subject to the restrictions and stipulations contained in the schedule hereto annexed, for the benefit of the vendor's adjoining land, and the conveyance to the purchaser shall contain such provisions and covenants as the vendor may reasonably require for giving effect to and enforcing said restrictions and stipulations.

In witness whereof, etc.