528 



SCIENTIFIC AND APPLIED PHARMACOGNOSY 



upper portion with stem-scars or stem-remnants, under and side 

 portions with numerous roots and root-scars; fracture short; inter- 

 nally, bark dark brown, 0.2 to 0.5 mm. in thickness, wood yellow, 

 slightly radiate, 1 to 1.5 mm. in thickness, pith 1 mm. in diameter; 

 odor slightly aromatic; taste bitter, pungent. 



1 



Carolina pink (Spigelia marilandica) showing the rhizome bearing two branches 

 with opposite leaves, the flowers occurring in terminal scorpioid cymes. 

 After Carson. 



Roots 5 to 10 cm. in length, about 0.3 mm. in diameter, with 

 numerous rootlets; externally dark brown, longitudinally wrinkled; 

 internally light brown, wood nearly cylindrical, porous. 



INNER STRUCTURE. See Figs. 225 and 226. 



