LICORICE 



315 



The root of G. uralensis of Siberia is said to be only slightly inferior 

 to the best kind of Russian licorice. 



Compound Powder of Glycyrrhiza. (Fig. 141.) Consisting of 

 powdered senna, powdered glycyrrhiza, washed sulphur, oil of 



w 



FIG. 141. Compound Licorice Powder. Fragments of Glycyrrhiza: Bf, bast 

 fibers'; Cf, crystal fibers; W, wood fibers; Tb, tracheae having bordered 

 pores; C, cork cells, filled with a reddish-brown amorphous content; Ca, 

 monoclinic prisms of calcium oxalate from 0.010 to 0.020 mm. in length; P, 

 parenchyma cells containing starch grains (S), from 0.002 to 0.020 mm. in 

 diameter. 



Fragments of Senna: H, non-glandular hairs with papillose walls; Le, 

 fragment of lower epidermis showing a stoma (So); Ca, rosette aggre- 

 gates of calcium oxalate about 0.010 mm. diameter. 



Fragments of Sulphur: Sw, aggregates of angular fragments of washed 

 sulphur; Sp, aggregates of spheroidal fragments of precipitated sulphur. 

 Drawing by Haase. 



fennel and powdered sugar. Greenish-yellow to greenish-brown; 

 when mounted in water or in solutions of hydrated chloral the powder 

 shows fragments of licorice with their characteristic yellowish fibers 

 associated with crystal fibers, large tracheae with elliptical bordered 



