210 HAMAMELIDACE^: 



SARRACENIACES. Pitcher-plant Family 



192. SARRACE'NIA FLA'VA and S. PURPU'REA Linne. The curious pitcher- 

 plant, fly-trap, or side-saddle plant of our Southern States, where their rhi- 

 zomes are much used in dyspepsia. They are tonic and diuretic. Dose: 15 

 to 30 gr. (i to 2 Gin.). 



DROSERACES. Sundew Family. 



193. DROSERA, N.F. SUNDEW. The herb of Drose'ra rotundifo'lia Linne. 

 (See Conspectus.) Habitat: North America and Europe. Used principally 

 as a pectoral in bronchitis, coughs, etc. Dose: 5 to 15 gr. (0.3 to I Gm.). 



CRASSULACES. Orpine Family 



194. SEDUM ACRE. BITING STONE-CROP. ENGLISH MASS. The whole plant, 

 Se'dum a'cre Linn. Habitat: Europe; cultivated in New England gardens. 

 It is said to be very successful in the treatment of diphtheritic sore throat, 

 by dissolving and expelling the false membrane. Dose: 15 to 30 gr. (i to 2 

 Gm.). 



195. PENTHORUM. VIRGINIA STONE-CROP. The herb of Pentho'rum sedoi'des 

 Linne. Astringent, demulcent, and laxative, in diseases of the mucous mem- 

 branes. Dose: 15 to 30 gr. (i to 4 Gm.). 



SAXIFRAGE^. Saxifrage Family 



196. HEUCHERA. ALUM ROOT. The root of Heu'chera america'na Linn6. 

 (See Conspectus.) Habitat: United States. It contains about 14 per cent, 

 of tannin, and is a powerful astringent in doses of 15 to 30 gr. (i to 2 Gm.). 



197. HYDRANGEA, N.P. The root of Hydran'gea arbores'cens Linn. (See 

 Conspectus.) Habitat: United States. It consists of several bent, branched 

 roots, arising from a thick, knotty head, or, as usually seen, of pieces of these 

 roots cut up into various lengths. Thejrather thick, light gray, or pale brown 

 bark is longitudinally ridged and covered with rust-colored patches, and 

 separates easily from the tough, white, tasteless wood; wood- wedges long, 

 narrow; odorless; taste of bark sweetish, afterward pungent. Used as a 

 diuretic and as an antilithic in thosejcases where there is an alkalinity of the 

 urine and a tendency toward the deposition of phosphatic calculi. Dose: 

 30 to 60 gr. (2 to 4 Gm.). 



198. MITELLA NUDA Linne. COOL WORT. (Leaves.) Diuretic; used in inflam- 

 matory and catarrhal affections of the bladder and kidneys. 



HAMAMELIDACE;E. Witchhazel Family 



Shrubs or trees with alternate, simple leaves and deciduous stipules. Flowers 

 in heads or spikes, often polygamous or monoecious. Fruit a woody capsule, 

 2-beaked, 2-celled, 2-seeded. A family which contains but few species, but is 

 dispersed over both hemispheres. The wood of a tree, Parrolin, is extremely 

 hard, and in Persia is called iron-wood. 



Synopsis of Drugs from the Hamamelidacea 



A. Leaves. C. Balsam. 

 *HAMAMELIDIS Folia, 199. STYRAX, 201. 



B. Bark. Liquidambar, 202. 



HAMAMELIDIS CORTEX, 200. 



