Genetic charts written and kept on the Trin bushes Ercy Farris was growing in her hopes of producing the mythical Kerduvon drug from the Mahogany Trinrose that would help her father, Digen Farris, to disjunct.

A detailed example of what such a chart might look like and information it might contain can be found in A COMPANION IN ZEOR.  Jacqueline's CHANNEL'S LIFE EXPECTANCY CHART ---