0408 



FLOWERS: in April and May. 



RANGE: the southern provinces. Cultivated in the vicinity of Paris. 



Nomenclature, alaternus comes from allernus, because the leaves are 

 alternate. Spanish, alaterno. Portuguese, aderno. 



USES. Several varieties of evergreen buckthorn are cultivated for ornamentation 

 of gardens and winter groves. The variety with variegated leaves is exceptionally pretty 

 The wood is hard; it's used in cabinetry. 



CULTIVATION. Buckthorns are propagated from seeds, by layering, and by 

 grafting. They do quite well in all kinds of soil. However the evergreen buckthorns, 

 especially variegated varieties, are vulnerable in the north of France; they have to be 

 placed in sheltered locations. 



KEY TO PLATES. 



Common buckthorn. 1. Complete fruit. 2. Same, opened to show the seeds. 3. 

 Detached seed. 4. Same, transverse section to show the embryo. 



Evergreen buckthorn. 1. Flower before opening, enlarged. 2. Same, complete and 

 open. 3. Berry. 4. Same, transverse section. 5. Branch with fruit. 



