292 
LYTHRUM SALICARiA. 
the twenty-four hours. The French apothecaries have a number of 
formularies for the exhibition of the cinchonine and quinine, such as 
tinctures, syrups, vinous infusions, &c.; for these we must refer the 
reader to Magendie's Formulaire. It is to be regretted that the pre- 
sent very high price of these valuable medicines, almost excludes the 
poor from the advantages of them. 
Externally, Peruvian bark is used in substance, as an application 
to ill-conditioned carious or gangrenous ulcers; in the form of clyster, 
it may be given in substance, decoction, or extract ; the decoction 
is hkewise an excellent astringent gargle or wash ; and the powder 
is used as a tooth powder, for spongy and bleeding gums. 
OIF. The Bark of the Tree. 
OIF. Pp, Decoctum Cinchonae, L. E. D. 
Extractum Cinchonae, L. E. 
Cinchonae Resinosum, L. D. 
Infusum Cinchonae, L. E. D. 
Tinctura Cinchona?, L. E. D. 
Cinchonae Composita, L. E. D. 
LYTHRUM SALICARIA. 
Loose-strift, or Purple Willow Herb* 
Class DoDECANDRiA. — Order Monogynia. 
Nat. Ord. Calycanthemje, Linn. Salicari^e, Juss. 
Gen. Char. Calyx twelve-toothed, inferior. Petals six, in- 
serted into the calyx. Capsule two-celled, with many seeds. 
Spec. Char. Leaves opposite, lanceolate, heart-shaped at the 
base. Flowers in whorled leafy spikes. Stamens twelve. 
This species of Lythrum is an indigenous perennial plant, flower- 
ing from July to September. It is found wild on the banks of rivers 
and ponds, and other moist situations, in almost every country of 
* Fig. ti. the capsule spread open. c. Seeds, d. The corolla spread open. «. The 
ealjx. 
