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PHARMACEUTICAL BOTANY 



elongate with terminal brush of hairs, knobbed or multifid; stigma 

 circular band or circular spur beneath terminal style swelling. Fruit 

 two follicles (Apocynum, etc.), a berry, drupe, or capsule. Seeds 

 flattened, frequently hairy, albuminous. 



Official drug 



Strophanthus 



Strophanthin 



Aspidosperma 



Asclepiadacecz or Milkweed Family. Herbs or shrubs containing 

 a milky juice, many species yielding rubber. Leaves entire, more 

 or less fleshy, sometimes verticillate. Inflorescence usually a 

 dichesial or scorpioid cyme. Flowers regular, pentamerous; sepals 

 wooly, small, synsepalous; petals five, rarely four, synpetalous, elon- 

 gated into awls; the corolla varying in shape from stellate to cam- 

 panulate and in color from pale green to yellow, to greenish-brown, 

 chocolate, or from white to yellow, to scarlet, to crimson, to purple, to 

 blue; stamens five, epipetalous, fused in relation forming a cylindrical 

 swollen mass around the central pistil; filaments flattened and 

 furnished with a crown having various appendages; anthers, two- 

 celled, each cell containing a pollen mass (pollinium), adhering to the 

 glandular prominences of the stigma; pistil bicarpellate, superior. 

 Fruit typically two dry follicles (Asclepias}, rarely becoming succu- 

 lent or bladdery. Seeds numerous, compressed, imbricate with a 

 comose appendage. 



Habitat 



United States 

 Peru and Ecudador 



IV. Order Tubiflorae or Polemoniales. Convolvulace or Morn- 

 ing glory Family. Frequently herbaceous, more rarely sub-woody, 



