Rarities of collection Sochi arboretum.
The results of observations of 26 introduced species of trees and shrubs from the collection of the Sochi Arboretum are summarized. Information about them is not available in the specialized russian literature. A morphological description of the species, the timing of flowering and fruiting is given. The age of the plants and the sizes achieved by them are indicated. The ecological requirements of the species and the possibilities of their use are given.