Some had immediate, explosive effects, while others would torture someone over time.
Some herbs could only be mixed with other vegetation of similar features. Plants in this category were the pickier ones and some of the most troublesome. Even vegetation of the same property can be incompatible and would cause a failure in concoction if the plants don't have chemistry with each other.
On Shen Tianyu's table, the amount of the two basic categories of herbs were about the same. She first recorded the latter category since it would be easier to do it now before she messed up the little mounds. The name of the poison came first, and then the herbs that made up said substance would follow and so on.
