A companion to the United States pharmacopia; . hardand nearly tasteless pieces should be rejected. Constituents-—About one-half percent,of an alkaloid called pelosine, or cissampeline,which is identical with the beberine of nec-tandra, and the bicxine of common boxwood. Admixtures-—The stem of chondoden-dron is often found mixed with the root. Ithas a thicker bark, is marked by dark-coloredwarts, and has a central pith. It probablyhas the same properties as the root. False Pareiras.—Several spurious drugshave been sold under the name of pareirabrava. They all had more or less resem-blance to
A companion to the United States pharmacopia; . hardand nearly tasteless pieces should be rejected. Constituents-—About one-half percent,of an alkaloid called pelosine, or cissampeline,which is identical with the beberine of nec-tandra, and the bicxine of common boxwood. Admixtures-—The stem of chondoden-dron is often found mixed with the root. Ithas a thicker bark, is marked by dark-coloredwarts, and has a central pith. It probablyhas the same properties as the root. False Pareiras.—Several spurious drugshave been sold under the name of pareirabrava. They all had more or less resem-blance to the genuine, but can be at once FlG« , natural size,distinguished from the latter by comparing the appearance of the sec-tions. Any root which does not present the general appearance shownin Figs. 398 and 399 cannot be true pareira brava. One—the more common—kind of false pareira brava is representedin section by Fig. 400, drawn from a natural specimen. It is remarkable for its irregular or spurious concentric rings, of. 752 A COMPANION TO THE which one can be traced spirally through three turns. The plant it isderived from is unknown. West Indian Pareira.—This is the root and the stem of Cissam-pelos pareira, Linne, which was formerly supposed to be the source ofthe pareira brava used in medicine in Europe and America.
Size: 1071px × 2332px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublishernewyo, bookyear1884
