358 
PHARMACEUTICAL BOTANY 
Sapindacece or Soapwort Family. —Trees, shrubs, undershrubs or 
rarely herbs of tropical climes containing the glucoside saponin. 
Stem erect or climbing (. Paullinia) often provided with tendrils. 
Leaves commonly alternate and compound. Flowers in racemes 
or panicles (. Paullinia ), perfect or polygamo-dioecious, yellowish in 
Pig. 212. —Cross section through root-bark of Eupnymus atropurpureus. 
Note the two broad dome-shaped phloem patches, one on either side of a wedge- 
shaped primary medullary ray. 
Paullinia Cupana. Fruit a capsule (P. Cupana ), samara, drupe or 
berry. Seeds exalbuminous. 
Official drug 
Part used 
Botanical origin 
Habitat 
Guarana 
Dried Paste, 
chiefly of 
crushed seeds 
. Paullinia Cupana 
Brazil 
Aceracece or Maple Family. —Chiefly trees, occasionally shrubs, of 
temperate regions with watery sap. Leaves opposite, simple and 
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