OCR Text |
Show 538 CLOVE TREE. of a nauseous, somewhat astringent, watery extract. The same quantity gave only 300 of excessively fiery alcoholic extract. Whenthe alcoholic extract is freed from the volatile oil by di. stillation with water, the oil that arises proves mild, andthe resin that remains insipid. Its pungency, therefore, seems to depend on the combination of these principles. The Dutch oil of cloves is extremely hot and fiery, and of a reddish brown colour ; but it is greatly adulterated, both with fixed oils andresinof cloves ; for the genuine oil when recently distilled is comparatively quite mild and colourless, although it gradually acquires a yellowc o. Jour. It is heavier than water, andrises in distillation with some difficulty ; so that it is proper to usea very low-headedstil l, and to return thedistilled water several times upon the residuum. MEDICAL USE. Cloves, considered as medicines, are very hot stimulating aro. matics, and possess in an eminent degree the general virtues of substances ofthis class. CRETAN CISTUS. CISTUS CRETICUS. Se Class X11. Polyandria, NT. Gen, Cuar. Order I. Monogynia. Corolla five-petalled: Calyx five-leaved, two of these leaves smaller: a Capsule. Spec. Cuan. Arborescent, without stipules: Leaves spatulate-ovate, wrinkled, and rough with veins, petioled: Calyx leaves lanceolate. EEE— DESCRIPTION. Pus is a most beautiful shrub, filled with branches. The leaves are oblong2) pointed, veined, rough, viscous, in pairs, upon short footstalks, broad at the base. The flowers appearin suc. cession at the end of the branches in June and July, are of a ry. . . . This is a perennial shrub, which grows in Syria, and more especially in the Grecian islands. ‘The resin is said to have been formerly collected from the beards of goats which browsed the leaves of the cistus: at present a kind of rake, withseveral] straps ee. Be - —) HISTORY, a light red, marke¢ with a dark spot at the end of each petal. |