2 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



A. The official drugs derived from each plant of that order. 



B. Drugs not ofiQcial in any Pharmacopoeia, but which are or have 

 been used in medicine. 



With each crude drug to be displayed — 

 , a. A colored plate of the plant from which it is derived, with figures 

 illustrating its botanical (characters. 



b. A specimen of the flowering plant, pressed and dried, in the usual 

 manner of an herbarium. 



c. The drug in all its varieties, commercial and botanical. These 

 specimens primarily should be foir commercial samples, such as will 

 honestly represent the article as found in the market. They may be 

 supplemented by carefully selected, or rare samples, or by those adul- 

 terated or possessing interesting peculiarities of any kind. The com- 

 mercial and botanical sources of each should be authenticated. The 

 practical value of the collection will largely depend upon the complete 

 ness and accuracy of this portion of the exhibit. 



d. Sections of roots, stems, barks, etc., to show structure, fracture, or 

 other phj^sical characters that may assist in their identitication, with 

 drawings of the same, magnified, if necessary. 



e. Preparations, official and other, of which the drug or any product 

 of the drug constitutes the fundamental ingredient. 



2. Products of fermentation and distillation will include the products 

 of the acetous and vinous fermentations, and the derivatives, chloro- 

 form, ether, etc., as well as distillates, such as carbolic acid, pyroligneous 

 acid, etc. 



3. Medicines of animal origin to follow the usual classification of the 

 animals from which the crude drug is obtained. 



Each group of specimens, arranged under one head, to have a de- 

 scriptive card, giving in brief terms the most important facts relating 

 to general character, source, commercial varieties, etc. 



Each specimen to have its label, giving scientific and vernacular 

 names, and such special information as can be condensed within the 

 prescribed limits. 



(546) 



