1Thomas Jefferson: Memorandum to Jeremiah A. Goodman, 12 May 1812 (Jefferson Papers)
Mem m for mr Goodman . as soon as the green swerd seed is ripe, have som e gathered by the negro children and sowed on all the naked parts of the mound, and then cover those parts lightly with s traw first, & brush laid over that. if m ore seed could be gathered by the children it might be sowed in the fall or spring in the square round the house where the green swerd has not as yet taken....