File:American journal of pharmacy (1881) (14779274081).jpg

Identifier: americanjour534111881phil (find matches)
Title: American journal of pharmacy
Year: 1835 (1830s)
Authors: Philadelphia College of Pharmacy Philadelphia College of Pharmacy and Science
Subjects: Pharmacy Pharmacology
Publisher: Philadelphia : Philadelphia College of Pharmacy
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
J inch, andcontain a whitish ligneous meditullium interspersed with ducts, whichare not apparent to the naked eye. The bark, which is the medicinalportion, is in quills, one to four inches in length, -j^ to J inch in diam-eter, and from to -j^ of an inch thick. The outer surface varies incolor from light to dark brown, and is marked with corky protuber-ances and transverse fissures. When the corky layer is removed theouter bark is brought to view, which is of an orange-red color, is lon-gitudinally wrinkled and transversely fissured. The inner surface is 14 210 Rhus Aromatica. ( Am. Jour. Pharm.May, 1881. whitish or flesh-colored^ and striate. The bark is brittle, breaks witha somewhat granular fracture, yields an ochre-colored powder, and hasa distinct, rather pleasant odor, more marked when green than whendry; its taste is astringent, aromatic and slightly bitter when fresh,with a flavor peculiar to the plant from which it is derived. It shouldbe collected in the spring of the year.
Text Appearing After Image:
Ijeaves of Rhus Aromatica, Aifoti. Upon microscopical examination the bark appears to be radially andtangentially striate, and is marked throughout with oil tubes and crys-tals, as is shown in the accompanying drawing. Fig. I. A transverse section of the bark magnified to about fortyor fifty diameters. The epidermis consists of a single row of cells,the walls of which are of a dark brown color. The corky layer issomewhat lighter brown, and the cells number, radially, from sixteento twenty-five; mostly, however, eighteen. The first layer beneath Am. Jour. Pharm. \May, 1881. J jRkus Aromatica. 211 the cork consists of three rows of flattened tangentially elongatedparenchyma cells, followed by one of loose parenchyma and sievelubes. The next layer consists of three rows of bast cells, interrupted

Note About Images