Leviticus 14:4,6,51,52
Then shall the priest command to take for him that is to be cleansed two birds alive and clean, and cedar wood, and scarlet, and hyssop:
Nave's Topical Index

Hebrews 9:19
For when Moses had spoken every precept to all the people according to the law, he took the blood of calves and of goats, with water, and scarlet wool, and hyssop, and sprinkled both the book, and all the people,
Nave's Topical Index

Whether There Can be any Suitable Cause for the Sacraments of the ...
... cedar-wood and scarlet or cochineal, and hyssop, ie faith ... the water for the purpose
of sprinkling, because we ... cleansed is moistened with some the blood and oil ...
/...//christianbookshelf.org/aquinas/summa theologica/whether there can be any 2.htm

A Description of Heart-Purity
... Covenanted persons have the sprinkling with clean water' (Ezekiel 36:25). ... This blood
lays the soul a-whitening. 3 Get faith. ... Oh purge me with hyssop. ...
/.../16 a description of heart-purity.htm

Hyssop

Hyssop in Sprinkling Blood in Purifications

Hyssop of Spiritual Cleansing

Hyssop used in Giving Jesus Vinegar on the Cross

Hyssop used in the Sacrifices of Separation

Hyssop: An Indigenous Plant to Western Asia and Northern Africa

Hyssop: The Israelites Used, in Sprinkling the Blood of the Paschal Lamb Upon the Lintels of Their Doors

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