CLOVES. 219 
of the acid is stated, may lead to the condemnation ofa pure oil, and 
vice versd. By determining the “ acid number,” the adulteration 
can be detected, as the following numbers show :— 
Acid number. 
Genuine oil of Cassia (with 6 per cent. non- 
WO latiles Tesi) 25a Seg ase ee 13 
Ditto, after 40 hours? aeration. ..........4. 2.0 13 
Genuine Ceylon oil of Cinnamon (2 per cent. 
iE SIGN) ek ae eg ae een ee et cree ee eres 9 
Witton (2S percent. residuve)) 4.9. ie: -2s.<.oserss ee 10 
Adulterated oil of Cassia (28 per cent. residue) 47 
Ditto (prepared from pure oil of Cassia by inter- 
mixing 20 per cent. of colophony) ............ 40 
CIDLICI COLT arc aeceee cid cAERO Ar? oe ARE re be Ree aera ae 150 
CLOVES. 
The spice commonly known by this name consists of the dried, 
unexpanded flower-buds of the Caryophyllus aromaticus, Linn. 
Sp. Pl. 735, and Gertner, De Fruct. i. p. 167, tab. 33 ; DC. Prodr. 
ill. 262. 
Syn. Eugenia caryophyllata, Thunberg, Dis. p. 1. 
Myrtus caryophyllus, Sprengel. 
Caryophyllus, Rumph. Amb. ii. tab. i. figs. 2, 3. 
Bentley & Trimen, Med. Plants, t. 112. 
Curtis, Bot. Mag. t. 2749. 
Woodville, Med. Bot. t. 135. 
In Sanskrit, Lavunga. 
Persian, Meykuk. 
Arabic, Kerunpul. 
Bengalee, Lung. 
Hindee, Laung. 
German, Gewurzuelken. 
The Clove-tree is a beautiful evergreen, growing to a height of 
about 20 or 30 feet. Its trunk is straight and rises four or five 
feet before it throws out branches; having the appearance of a 
gigantic myrtle, with long ovate-oblong leaves. It bears quantities 
of flowers arranged in trichotomous terminal cymes. The bark is 
smooth, adhering closely to the wood, which is hard and strong, 
