110 THE NEW ZEALAND FAMILY HERB DOCTOR. 
wholesale laboratories of Europe and America. The crude 
camphor is mixed with lime, and distilled over into bell-shaped 
rings and square cakes from one ounce up. Camphor is a 
diffusive stimulant in small doses, and it is also a safe one, 
exciting the heart’s action, producing perspiration, and an 
exalted feeling. In immoderate doses it causes nausea, 
vomiting, anxiety, faintness, dizziness, convulsions, and 
probably death, as one case of poisoning by it has been 
recorded. It islargely employed by the faculty as a stimulant 
und corrective of griping cathartics; also for its sedative 
qualities, being thechiefingredientin a comp. tinc. (paregoric. ) 
In this form it enters into mixtures for coughs and colds. The 
dose of the crude is five to fifteen grains, given in pills, 
mixtures, &c. It is reckoned useful in hysteria, epilepsy, 
cramp, melancholia, gout, and acuterheumatism. Asastrong 
liniment, one ounce dissolved in two ounces spirits of wine, 
and rubbed in, has been found good. Good also in rheumatic 
tumours, numbness, paralysis, and gangrene. The camphor 
water is made by putting about an ounce, broken into small 
pieces, in a pint of water. Dose a tablespoonful. Used in 
several compounds. | 
PRICKLY ASH (XanTHoxyitum FRAXINEUM). 
This is a shrub growing plentifully in America. Its height 
is from ten to fifteen feet. The branches are covered with 
prickles. The outside is of a yellow tinge; the inside white. 
When chewed it is warm and aromatic, stimulating the 
salivary glands. When swallowed itis felt to impart warmth to 
the stomach, which diffuses through'the system, increasing the 
pulse, and promoting perspiration. It has been well tried as a 
remedy for rheumatism ; so that in some parts it is called the 
rheumatic bush The bark is the medicinal part for this 
purpose. The berries, which follow the small greenish flowers, 
are of a greenish red colour, and have an aperient and tonic 
property, useful in indigestion. An infusion of the bark taken 
inwardly, and the powder dusted on venereal ulcers, is recom- 
mended by Dr. Coffin. Chewing the bark is said to cure 
