THE DICOTYLEDONS 585 
as 
Fic. 442.—Pinkroot (Spigelia marilandica) a perennial herb of the Loganiacee. 
Note the opposite leaves and one-sided spike of tubular flowers. The corollas of 
these are red outside and yellow within. The rhizome and roots are used as a worm 
remedy or anthelmintic. (Reproduced from U. S. Dept. Agric. Misc. Pub. 77.) 
(Strychnos Nux-Vomica) or drupe. Seeds numerous or solitary, 
sometimes winged. 
OrriciAL DruG Part Usep BoTANICAL ORIGIN HABITAT 
Nux Vomica Seeds Strychnos Nux- India 
Vomica 
Brucinz Sulfas Sulfate of alkaloid from 
seed 
Strychnina Alkaloid from seed also Strychnos Nux- Pe tee, 
sulfate, nitrate and Vomica and other here 
phosphate of strychnine (Loganiacee 
Gelsemium Rhizome and roots Gelsemium Southern United 
sempervirens States 
UnorriciAL Druc 
Curare Extract from bark Strychnos toxifera S. America 
et al. spp. 
Ignatia Seed Strychnos Ignatii Philippine 
Islands 
Spigelia Rhizome and roots Spigelia marilandica Southern United 
States 
GENTIANACE OR GENTIAN FamiLy.—Herbs, often low-grow- 
ing. Roots and short stems sometimes more or less thickened 
(Gentiana lutea). Leaves opposite, decussate, entire, exstipulate. 
Inflorescence cymose (Gentiana lutea) or condensing to a single 
