238 APOCYNACEAL. [chap. 



59. Natural Order, Apocynacem. — The Dogbane Family. 



Trees or shrubs, often climbers, with opposite (rarely 

 alternate) entire leaves. Flowers regular. Stamens as many 

 as, and alternate with, corolla-lobes. Carpels two, usually 

 free below. 



Fig. 145. Vertical section of flower of 

 Fig. 144. Vinca rosea, one-third or Vitica rosea. The transversely con- 



one-half the natural size. stricted annulate stigma to the left. 



Type — Vi7ica rosea. 



