An evergreen tree, 20 to 50 feet high, with sprays, or branchlets, flat
and spreading, dark-green and rather glaucous above, plae beneath,
yielding a pungent, aromatic oil. The wood is light and very durable.
The leaves are persistent, appressed, imbricated in four rows on the
two-edged branchlets ; they are of two kinds on alternate or separte
branchlets, one from awl-shaped, the other short, squamose, both
having a small dorsal gland filled with a thin aromatic turpentine.
The flowers appear in May and June, mostly monoecious on different
branches in very small, terminal, ovoid catkins.
Found in :-
United States, common from Pennsylvania northward, rare southward ; growing in swamps and on cool rocky banks.
Introduced into homoeopathic practice:-- |
By Dr. Hahnemann, R.A.M.L., V. in 1819. ( Allen’s Encyc. Mat, Med. IX. 576.)
The fresh leaves and twigs.
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(a)Tincture Q: = | Drug Strength 1/10 |
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Thuja, moist magma containing solids | 100 gm
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Plant moisture 135 Cc. | = 235.
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Strong alcohol | 588 Cc.
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To make one thousand cubic centimeters of tincture.
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(b) Dilutions: 2x and higher with dispensing alcohol.
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