500 



POWDERED VEGETABLE DRUGS 



188. (Figs. 180 and 181.) SPIGELIA. Spigelia. U. S. 



Fl. ex. 60. 



Pinkroot, E. Marylandische Spigelie, G. Spigelie du Maryland, 

 Fr. 



The rhizomes and roots of Spigelia marilandica L., Loganiaceae. 



Light brown. 



Somewhat aromatic. 



Bitter. 



Outer suberized tissue containing dark coloring matter; parenchyma 

 cells elongated containing some simple mostly spherical small starch 

 granules; abundant porous tracheids and occasional spiral ducts. 

 No true bast tissue excepting elongated non-porous tracheids. No 

 sclerenchyma cells. 



Ash 10 per cent. 



Almost universally adulterated with the roots and rhizomes of 

 Ruellia dliosa; also with other roots and rhizomes. Adulteration is 

 the rule rather than the exception. 



Fig. 180. SPIGELIA MARILANDICA. a, outer cork parenchyma containing 

 coroling substances; 6, elongated parenchyma cells bearing some starch; c, the 

 porous tracheids are very abundant; d, spiral and reticulate ducts are sparingly 

 present. 



