Hebrews 9:19

For when Moses had spoken all the commandment according to the law to all the people, he took the blood of calves and of goats, with water, and scarlet wooll, and hyssop, and the book itself,

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 Moses had spoken all the commandment according to the law to all the people, he took the blood of calves and of goats, with water, and scarlet wooll, and hyssop, and the book itself,