The Collaborative International Dictionary of English v.0.48:

Bona peritura \Bo"na per`i*tu"ra\ [L.] (Law)
   Perishable goods. --Bouvier.
   [1913 Webster]

Bouvier's Law Dictionary, Revised 6th Ed (1856):

BONA PERITURA. Perishable goods.
     2. An executor, administrator, or trustee, is bound to use due
diligence in disposing of perishable goods, such as fattened cattle, grain,
fruit, or any other article which may be worse for keeping. Bac. Ab.
Executors, &c. D; 11 Vin. Ab. 102; 1 Roll. Ab. 910; 5 Cro. Eliz.518;
Godb.104; 3 Munf. R. 288; 1 Beat. R. 5,14; Dane's Ab. Index, h. t.
     3. In Pennsylvania, when goods are attached, they may be sold by order
of court, when they are of a perishable nature. Vide Wesk. on Ins. 390;
Serg. on Attachm. Index.