CXLIV. APOCYNE^. 



549 



Periwinkle. 



llipe fruit separated iiito 



2 folliclesi 



Peri"\viTil;Ie. 



Seed, Tcntral face 



(mag.). 



Periwinkle. Oleander, 



Seed cnt vertically Stamen 

 (mag.). (mag.). 



Trees or sheues, often climbing or perennial heebs, generally with, milky juice. 

 Leaves opposite or whorled, rarely alternate {Plumiera, Rhazya, Lepinia), simple, 

 entire,. exstipulate, or with rudimentary gland-like or ciliiform stipules. Flowbes 

 5 , regular, terminal or axillary, in a coryraboid cyme, rarely solitary. Caltx free, 

 6-tid or -partite, rarely 4-fid. Coeolla hypogynous, monopetalous, deciduous, in- 

 fundibuliform or hypocrateriform, throat naked or furnished with scales, limb 

 5-4-fid.or -partite, sestiration contorted or valvate. Stamekts inserted on the corolla- 

 tube or throat, alternate with its segments ; anthers introrse, 2-celled, ovoid, usually 



