non demisit

from Bouvier's Law Dictionary, Revised 6th Ed (1856)
NON DEMISIT, pleading. A plea proper to be pleaded to an action of debt for 
rent, when the plaintiff declares on a parol lease. Gilb. Debt, 436, 438; 
Bull. N. P. 177; 1 Chit. Pl. 477. 
     2. It is improper to plead such plea when the demise is stated to have 
been by indenture. Id.; 12 Vin. Ab. 178; Com. Dig. Pleader, 2 W 48. 
    

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