602 PHARMACEUTICAL BOTANY 
_ OrriciAL Druc PART Usep BoTANICAL ORIGIN HABITAT 
Oleum Sesami Fixed oil | Sesamum indicum __ Asia and Africa 
(Benne Oil) (cultivated varieties) 
ACANTHACE2 OR AcANTHUS FamiLy.—Usually herbaceous 
(Ruellia), rarely sub-woody or woody plants, occasionally bushy 
Fic. 459.—Plantago Psyllium, the source of an excellent variety of Psyllium seed. 
in habit, containing cystoliths in the mesophyll or epidermal 
cells of the leaves and in the parenchyma of the roots and 
stems. Leaves opposite, more rarely whorled, entire, exstipu- 
late. Inflorescence a raceme of condensed cymes, becoming 
a simple raceme or spike, rarely condensed into a solitary 
