The petition of C, K. & B. alleging that plaintiffs are a real estate firm, that defendant placed land in the hands of C. & K. to sell, and agreed to pay them a commission for selling it, that they sold it, and that after the contract between defendant and C. & K. was made, C. & K. formed a partnership with B. and he thereby became interested in said contract, sufficiently charges, as against the claim of variance, that defendant contracted with C. & K. as partners. Cook v. Platt, 126 Mo. App. 553, 104 S. W. 1131. Compare Sec. 37. Mechem on Ag., Sec. 221.