CXLIV. APOCYNE^. 



Periwinkle. 

 Vertical section of flower (mag.) 



Periwinkle. 

 Seed cut transversely (mag.) 



Periwinkle, 

 Pistil 



Periwinkle. 



Ovaries and calyx 



(mag.). 



Periwinkle. 

 Young 

 fruit. 



Periwinkle. 



llipe fruit separated into 

 2 follicles. 



Periwinkle. 



Seed, ventral face 



(mag.). 



Periwinkle. Oleander. 



Seed cut vertically Stamen 

 (mag.). (mag.). 



TREES or SHRUBS, often climbing or perennial HERBS, generally with milky juice. 

 LEAVES opposite or whorled, rarely alternate (Plumiera, Rhazya, Lepinia), simple, 

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

 g , regular, terminal or axillary, in a corymboid cyme, rarely solitary. CALYX free, 

 5-h'd or -partite, rarely 4-fid. COROLLA hypogynous, monopetalous, deciduous, in- 

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

 5-4-fid or -partite, aestivation contorted or valvate. STAMENS inserted on the corolla- 

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



