The wild olive, the wild cherry, two species of wild plums, the myrtle, the ivy, arbutus, and two species of holly are found in the mountains of Khmiria, at various sites at high elevation near Tunis and Bizerta, and along the mountainous belt of the south-west which forms the frontier region between Tunisia and Algeria.
When undisturbed by cultivation, the myrtle, arbutus, bay and ilex form a rich brushwood and the minor flora of the island is extensive.
The Mexican " oyamel," or fir (Abies religiose) becomes the principal species, interspersed with evergreen oak, arbutus and elder.
Antarctica), 2 and Winter's bark (Drimys Winteri), intermingled with a dense undergrowth composed of a great variety of shrubs and plants, among which are Maytenus magellanica, Arbutus rigida, Myrtus memmolaria, two or three species of Berberis, wild currant (Ribes antarctica), a trailing blackberry, tree ferns, reed-like grasses and innumerable parasites.
The total absence of a few of the more common forms of northern Europe and Asia should also be noticed, among which may be named Tilia, Fagus, Arbutus, Erica, Azalea and Cistacae.
In the countries bordering the Mediterranean are groves of oranges and olive trees, evergreen oaks, cork trees and pines, intermixed with cypresses, myrtles, arbutus and fragrant tree-heaths.
When the carpels are united, as in the pear, arbutus and chickweed, the pistil becomes syncarpous.
Evergreens predominate in the south, where grow subtropical plants such as the myrtle, arbutus, laurel, holm-oak, olive and fig; varieties of the same kind are also found on the Atlantic coast (as far north as the Cotentin), where the humidity and mildness of the climate favor their growth.
The sugar-cane flourishes, the cotton-plant ripens to perfection, date-trees are seen in the gardens, the rocks are clothed with the prickly-pear or Indian fig, the enclosures of the fields are formed by aloes and sometimes pomegranates, the liquorice-root grows wild, and the mastic, the myrtle and many varieties of oleander and cistus form the underwood of the natural forests of arbutus and evergreen oak.
On its western shores there are some twenty, such as Saxifraga umbrosa, Erica mediterranea and Arbutus unedo, which are not found in Britain at all.
Buttercups, violets, anemones, spring beauties, trilliums, arbutus, orchids, columbine, laurel, honeysuckle, golden rod and asters are common wild flowers, and of ferns there are many varieties.
Orange, olive, cypress and arbutus trees grow throughout the island, which, however, is too dry to have any profusion of vegetation.
The following species, none of which are found in European Russia, are characteristic of the tundras - arbutus (Arctostaphilus alpina), heaths or andomedas (Cassiope tetragona and C. hypnoides), Phyllodoce taxifolia, Loiseleuria procumbens, a species of Latifolium, a Polar azalea (Osmothamnus fragrans) and a Polar willow (Salix arctica).
Is a zone of dwarf hard-leaved oaks, amongst which occur the Oriental forms Fontanesia phillyraeoides, Acer syriacum and the beautiful redstemmed Arbutus Andrachne.