When a Cow is plagued with Erysipelas (Spell)

From Egyptian Secrets of Albertus Magnus, Joseph H. Peterson edition:

When a Cow is plagued with Erysipelas.

Take elder blossoms and give the cow to eat and the disease will leave. Or, drive the cow upon the meadow, and pay at­tention where the cow treads with her right hind leg. Dig that sod out with a knife and turn it over; when it becomes yellow or withered the erysipelas will vanish.

The grimoire Egyptian Secrets of Albertus Magnus lists this spell.

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