1752 March 28 (Saturday). Mrs. Lucy Bowker here a.m. Mr. Winchester from Boston and brings us account that now the Small Pox prevails there very much. I am dissatisfy’d with Mr. Prince’s misimprovement of the Materials etc. which I Sent him about Mechoachan.
Sometimes spelled mechoacanna. Any of several plants of the morning-glory family with roots used as cathartics.