582 PHARMACEUTICAL BOTANY 
in the pith and cortex of the stems and adjoining the veins of the 
leaves. Leaves alternate, exstipulate, evergreen and coriaceous. 
Fic. 440.—The manzanita (Arctostaphylos manzanita), an ericaceous shrub growing 
in western United States and common on hillsides near the Pacific coast. (After 
Stanford, General and Economic Botany, D, Appleton-Century Co., publishers.) 
Flowers perfect, large and axillary. Fruit a berry (Palaquium) 
rarely a capsule (Ponteria). 
UnorriciaL Druc Part Usep BorANIcAL ORIGIN HABITAT 
Gutta Percha Purified coagulated Various species of Malay Archipelago 
milky exudate Palaquium and 
Payena 
Chicle Dried latex Achras Sapota Mexico and Central 
America 
Balata Dried latex Mimusops West Indies and S. 
globosa America 
STYRACEZ OR Benzoin Famity.—Shrubs or low trees. 
Leaves alternate to opposite, entire, often acuminate and 
exstipulate. Flowers perfect, regular, rarely sub-irregular, either 
in condensed fascicles or solitary in the axils of the leaves; sepals 
and petals typically five each; corolla often white, rarely pinkish 
or yellowish; stamens many to four to two, perigynous or sub- 
hypogynous; pistil bicarpellary or four to five carpellate. Fruit 
either drupe-like or dry, often winged and rarely as many-celled 
as there are carpels. 
