189. Payment of interest.

189.     Payment of interest.

The covenant fixing the date of payment generally provides for interest in the meantime1. This is not, however, necessary in the case of simple interest2, for a mortgage, whether legal or equitable, carries interest even if interest is not expressly reserved3 and even if it secures the debt of a third party who is not liable to pay interest to the creditor4. A power to charge an estate with a specific sum of money without mentioning interest includes a power to charge with interest5, and the right to interest is implied where a