264 



CORNACEAE. 



AUCUBA. 



(Family Cornaceae). 



Shrubs: evergreen. Twigs rath- 

 er stout and succulent, rounded: 

 pith moderate, rounded, continu- 

 ous when fresh, but becoming 

 chambered with granular septa 

 when dry. Buds minute or be- 

 coming rather large and some- 

 what stalked, with several point- 

 ed rather hairy scales. Leaf-scars 

 opposite, slightly raised, relative- 

 ly large, crescent-shaped: bundle- 

 traces 3. Leaves broadly lanceo- 

 late, stalked, toothed and some- 

 what acuminate. 



Like other plants grown chiefly 

 for their foliage, Aucuba japonica 

 occurs in a multiplicity of forms 

 which are not classified readily. 

 1. Dwarf, unvariegated. 



A. japonica pygmaea. 



Rather tall shrubs. 2. 



2. Leaves lanceolate, narrow. A. japonica angustifolia. 

 Leaves broadly lance-elliptical or ovate. 3. 



3. Leaves sinuately toothed. A. japonica ovata. 

 Leaves slightly dentate, large. A. japonica macrophylla. 

 Leaves coarsely serrate or dentate. 4. 



4. Leaves green. 

 Variegated with yellow. 5. 



5. With yellow margin. 

 With scattered small spots. 

 With a larger central blotch. 



6. With smaller yellow spots. 

 Without smaller spots. 



A. japonica. 



A. japonica limbata. 

 A. japonica variegata. 



A. japonica latimaculata. 

 A. japonica bicolor. 



