CRUDE DRUGS. 425 



The glass can be kept in place by means of long, broad-headed 

 tacks or can be fastened permanently by means of hinges. The 

 frames may be hung on the wall or held by means of molding. 



DRUGS DERIVED FROM ANGIOSPERMS. 



I. SEEDS. 



Seeds should, as a rule, be collected when they are ripe and 

 carefully preserved against the attacks of insects and changes of 

 various kinds, as those incident to germination. They may, or 

 may not, be dried before using. 



The medicinal seeds may be classified as follows : 



I. ENTIRE SEEDS. 



I. Not more than 5 to 6 mm. long. 



1. With an appendage (canincU') : 



Ovoid or irregularly globular, dark brown ....Colchici Semen 



2. Without an appendage : 



A. Anatropous. 



a. Ovate, flattened, smooth Linum 



b. Triangular or quadrangular, reticulate. .. .Staphisagria 



B. Cainpylotropous. 



Yellowish-brown Sinapis Alba 



Reddish-brown Sinapis Nigra 



II. From 10 to 20 mm. long. 



Whitish, smooth Pepo 



Yellowish-green or light brown, hairy Strophanthus 



III. From 20 to 30 mm. long. 



1. More or less flattened: 



a. Ovate or oblong-lanceolate. 



Taste bitter Amygdala Amara 



Taste bland .' Amygdala Dulcis 



b. Plano-convex or 3- to 6-sided Cola 



c. Orbicular, hairy Nux Vomica 



d. Reniform, brownish-red Physostigma 



2. Ellipsoidal Myristica 



II. PRODUCTS OF OR PARTS OF SEEDS. 



Hairs Gossypium Purificatum 



A paste of the crushed seeds Guarana 



The arillode of Myristica Macis 



