4i6 BOTANY AND PHARMACOGNOSY. 



aruba aiiiara) ; sarsaparilla (Smila.r medica and other species of 

 Smilax) ; strophanthus (Strophanthus Kombe and 5'. hispidus) ; 

 ignatia {Strychnos Ignatii) ; Hoag-nan {Strychnos malaccensis) ; 

 nux-vomica {Strychnos Nux-vomica) ; chirata (Sweertia Chi- 

 rata) ; tolu (Toluifera Balsamum) ; balsam of Peru (Toluifera 

 Pereirce) ; damiana {Turncra diffusa); gambir (Uncaria Gam- 

 bir) ; ginger {Zingiber officinale). 



The following is a summary of the preceding lists : 



Cultivated medicinal plants in the U. S igo 



Wild indigenous or naturalized medicinal plants 178 



Foreign medicinal plants that might be cultivated 56 



Foreign medicinal plants uncertain as to cultivation.... 75 



These figures, while more or less approximate, show that 

 about three-fourths of all the medicinal plants are growing either 

 wild or in cultivation in this country ; and that of the remaining 

 one-fourth, probably one-half of these could be grown in this 

 country, leaving but a comparatively small number of plants that 

 could not be cultivated. 



