By this suit it is sought to enforce the specific performance of a contract to lease a certain lot of land *327in -the City of Miami for a period of ninéty-nine years. The alleged contract consists of two paper writings, one in the form of a letter from W. L.- Hnnter,. owner of the property, to Realty Securities Corporation, a corporation real estate agent, by which, for the sum of $10 paid and other amounts to be thereafter at stated times paid, the owner agreed, through said agent, to lease, foi the period stated, the lot described; the other in the form of a receipt of the same date purporting to be signed by a salesman of the agent corporation acknowledging a deposit with it of $100 by I. N. Daubmyre, the complainant, in part- payment for a lease for the term stated, the property being described and the consideration to- be .paid as stated 'in the-letter being set out in the receipt. The decree was for the defendant:. It contained no- specific-finding.- The equities generally were found for the defendant and .the bill dismissed. ’
• The letter signed by defendant,- -which is the basis of the action, is as follows:
“Miami, Florida, January 28, 1919.
“ Realty Securities Corporation,
Miami, Florida.
Gentlemen:
“In consideration of the sum of $10.00 this date paid by you to us, the receipt of which- is hereby acknowledged, and the further consideration of the sum of.$4,000.00. annually until such time of expiration of presént .leases now held by the present tenants in my building, and $6,000.00 per year'thereafter, and-the further consideration of the paymenk’of all taxes and insurance and other legal assess-. *328merits which may be levied against my property (taxes for 1918 and present assessments excepted) I hereby agree to lease through you for a period of ninety-nine years the following described real estate located in Miami, Florida, and described as follows: lot 14 of block 117 North, of the City of Miami, according to the map of plat thereof, made by A. L. Knowlton, C. E., and recorded in the office of the Clerk' of the Circuit Court in and for Dade County, Florida.
“I agree to deliver to you a merchantable abstract of title, free from all incumbrances covering said property, and brought down to the date of the agreement of lease above provided.
“In the event that this offer is accepted by your client and this lease effected, I agree to pay the Realty Securities Corporation the sum of $1,500.00 as commission in full for this transaction in the manner following — $500.00 upon execution of said lease, $500.00 out of the second payment as provided for in this lease, and $500.00 out of the third payment.
“Witness: R. M. Erdmans. W. L. Hunter.”
The prayer of the bill is that defendant may be decreed to perform the agreement and to make a good and sufficient lease of said premises to complainant for a term of ninety-nine years under the terms and conditions of said written agreement and “under covenants usual and proper in the City of Miami, in the case of leasehold estates for said term of 99 years.”
The answer denies that the defendant owner of the property received any consideration for his communication to the agent corporation, which is referred to as a “listing” of the property with the agent. It is not clear from the evidence adduced that the recited consideration, or any part of it, was paid. The consideration being denied, the burden of proving it rested upon the complainant. Dees *329v. Am. Agr. Chem. Co., 86 Fla. 28, 96 South. Rep. 289; Smith v. O’Brien, 75 Fla. 252, 78 South. Rep. 13; Otis v. McCaskill, 51 Fla. 516, 41 South. Rep. 458; Braxton v. Liddon, 49 Fla. 280, 38 South. Rep. 717; Kellogg v. Singer Mnfg. Co., 35 Fla. 99, 17 South, Rep. 68.
The contract, if it be conceded that there was one, contained nothing providing for various contingencies that would necessarily arise with respect to the property and its use, such as the removal or the erection or repair and maintenance of buildings, rental, insurance, restoration in •ease of partial or total destruction, and the assignment or transfer of the lease, or other contingencies likely to arise, •during the ninety-nine year period for which the contract, if not rescinded, would continue in force. The parties themselves, although a bona fide effort to do so seems to have been made, were unable to agree upon the terms of a lease. Forms of leases were prepared by counsel representing each of them. The several forms were examined, •criticized, changes suggested, and all finally rejected because none of them were satisfactory to both parties. There is no proof of what covenants are usual and proper in the City of Miami in the case of leasehold estates for a term ■of ninety-nine years. The forms of leases (the originals of which are before us), prepared under the directions of the parties themselves, and the prayer of the bill indicate quite •conclusively that as to á number of terms the contract was unsettled and incomplete, and suggest the difficulty of properly framing a decree for specific performance.
Specific performance of a contract for the sale or lease •of land is not a matter of right in either party, but a matter of sound discretion in the court, controlled by settled ■principles of law and equity applicable to the particular facts, and the discretion of the chancellor in refusing specific performance of a contract for the sale or lease of real *330estate will not be disturbed on appeal unless clearly erroneous. Richardson v. Varn, 80 Fla. 517, 86 South. Rep. 503; Dixie Naval Stores Co. v. German-American Lumber Co., 76 Fla. 339, 79 South, Rep 836; Murphy v. Hohne, 73 Fla. 803, 74 South. Rep. 973, L. R. A. 1917F, 594.
And it is fundamental that specific performance will not be enforced where the contract is not definite and certain •as to essential terms and provisions and is incapable of being made so by the aid of legal presumptions or evidence of established customs. 25 R. C. L. 218; Rhode v. Gallat, 70 Fla. 536, 70 South. Rep. 471; Maloy v. Boyett, 53 Fla. 956, 43 South. Rep. 243; Goldstine v. Tolman, 157 Wis. 141, 147 N. W. Rep. 7; Buck v. Pond, 126 Wis. 332, 105 N. W. Rep. 909; Auer v. Mathews, 129 Wis. 143, 108. N. W. Rep. 45; Federal Land & Securities Co. v. Hatch, 147 Ia. 18, 125 N. W. Rep. 837; Bryant v. Ondrak, 34 N. Y. Sup. 384.
It has not been made to appear that there is error in the-decree dismissing the bill, so it will be affirmed.
Affirmed.
Whitfield, P. J., and Terrell, J., Concur. Taylor, C. J., and Ellis and Browne, J.. J., Concur in. the opinion. ■ . •