Botanical name: 
Mentha spicata
Mentha spicata 'Crispa'

Format explanation

Related entry: Oil of Spearmint

Oil of Spearmint 3.75 | 3/4 fl. ounce
Alcohol 80.00 | 16 fl. ounces
Distilled Water ... to 100.00 | to 20 fl. ounces

Dissolve the oil in the alcohol, add the water gradually, shaking after each addition, filter. One part of this preparation corresponds to about 40 parts of spearmint water.

The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.