CRUDE DRUGS. 513 



I. Barks. Continued. 



b. Fracture fibrous. 



Tough-fibrous Gossypii Cortex 



Short-fibrous Rubus 



B. GrayisJi to grayish-black. 



a. Fracture fibrous. 



Fracture silky-fibrous Euonymus 



Fracture uneven, fibrous Viburnum Opulus 



b. Fracture short. 



a With conical cork-wings. .. Southern Prickly Ash 



j3 Cork-wings wanting. 



Inner surface with acicular 



crystals Northern Prickly Ash 



Inner surface non-crystalline Granatum 



C. Greenish in color. 



Fracture tough-fibrous Mezereum 



Fracture short, granular Prunus Virginiana 



2. Periderm removed. 



A. Aromatic odor and taste. 



Yellowish-brown Cinnamomum Zeylanicum 



Reddish-brown Sassafras 



B. Without aromatic properties. 



a. Surface crystalline Quillaja 



b. Surface non-crystalline. 



Taste astringent Quercus Alba 



Taste mucilaginous Ulmus 



II. Woods. 



1. Light or bright yellow Quassia 



2. Yellowish-red to yellowish-brown. 



A. Imparts a violet or zvine-color to zvater Haematoxylon 



B. Coloring matter insoluble in wa^tT. .*. . . .Santalum Rubrum 



III. Pith. 



Whitish, light in weight Sassafras Medulla 



CINNAMO!^IUM. CINNAMON BARK. The dried bark 

 of the stem and branches of various species of Cinnamomum 

 (Fam. Lauracese), trees indigenous to tropical Asia (p. 278), 

 where they are now extensively cultivated, and from which three 

 commercial kinds of bark are obtained : ( i ) Saigon Cinnamon, 



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