The euphorbia trees and other vegetation on the lower terrace are of small size and apparently of recent origin.
When bracts become coloured, as in Amherstia nobilis, Euphorbia splendens, Erica elegans and Salvia splendens, they may be mistaken for parts of the corolla.
There are, however, several species of euphorbia of the miscalled cacti.
IfA portion of a lactici- stematic cells, the walls separating the lerous coenocyte dissected out s cells breaking down, so that a network ihe leaf of a Euphorbia (Xi20).
It may be diseased throughout; and such actually occurs in the case of Euphorbia pervaded with Uromyces Pisi, the presence of which alters the whole aspect of the host-plant.
At first sight a South African Euphorbia might be mistaken for a South American Cactus, an Aloe for an A gave, a Senecio for ivy, or a New Zealand Veronica for a European Salicornia.
In the higher regions the principal trees are various species of fig, tamarind, carob and numerous kinds of cactiform Euphorbia, of which one, the Euphorbia arborea, grows to a height of 20 ft.