Hebrews 9:19

For, when every command had been announced to all the people by Moses in accordance with the Law, he took the blood of the calves and of the goats, with water, scarlet wool, and a bunch of hyssop, and sprinkled even the Book of the Law, as well as all the people,

Treasury of Scripture Knowledge

Summary

And he spake of trees, from the cedar tree that is in Lebanon even unto the hyssop that springeth out of the wall: he spake also of beasts, and of fowl, and of creeping things, and of fishes.

The hyssop

Bible References

The hyssop

Hebrews 9:19
For, when every command had been announced to all the people by Moses in accordance with the Law, he took the blood of the calves and of the goats, with water, scarlet wool, and a bunch of hyssop, and sprinkled even the Book of the Law, as well as all the people,