The most distinguishing feature of the flora of this region is the predominance of arborescent growths; forests cover in fact 56% of the area, and are not only dense but laced together with climbing and twining plants.
Arid upland plains and parched hillsides take the place of the rich verdure and luxuriant arborescent growth of Imeretia, Svanetia and Mingrelia, the districts which occupy the valleys of the Ingur and Rion and the tributaries of the latter.
Lastly, in the Forest-bed of Norfolk we meet with arborescent horns (C.
In this solution we can obtain osmotic growths which may attain to a height of 40 centimetres or more, vegetable forms, roots, arborescent twigs, leaves, and terminal organs.
Boettger obtained arborescent forms and ramifications of metallic vegetation by sowing fragments the size of a pea of crystals of the iron chlorides, chloride of cobalt, sulphate of manganese, nitrate and chloride of copper, etc.
The gonads themselves are extremely simple arborescent glands which open to the exterior by two simple ducts, one right and one left, continuous with the tubular branches of the gonads.
In this phantasmagoria the arborescent Madrepore more gravely displays his less brilliant colors.
If placed in a hothouse at the close of the year, it becomes woody and branching, and assumes an arborescent habit.
An arborescent fern was found by Forster in New Zealand in 46 degs.
The arborescent grass of Chiloe is not found here; while the beech of Tierra del Fuego grows to a good size, and forms a considerable proportion of the wood; not, however, in the same exclusive manner as it does farther southward.
In the southern provinces of France, magnificent forests, intwined by arborescent grasses and with the trees loaded with parasitical plants, would hide the face of the land.
A mass of crystals, aggregated inarborescent forms, obtained by precipitation of a metal from solution.
Lead crystallized in arborescent forms from a solution of some lead salt, as by suspending a strip of zinc in lead acetate.
Pertaining to a dendrite, or to arborescent crystallization; having a form resembling a shrub or tree; arborescent.
It is the fruit of this tree to which interest attaches, and not to the flower as in some others--this is the arborescent Lotos.
Spicula all geminate-triradiate, with a stout and short middle rod and threearborescent shanks on each end of it.
Sometimes they are also forked or arborescent (Pl.
Spicula all geminate-triradiate, with a short simple middle rod and three much longer arborescent shanks on each end of it.
Whole surface covered with thin arborescent radial spines, about half as long as the shell, each spine with three to six irregular branches.
Spicula all together geminate-triradiate, with a simple stout middle rod and three arborescent shanks on each end of it.
The surface of the outermost shell is densely covered with numerous arborescent by-spines, which bifurcate from three to four times, and are three-sided pyramidal at the base, and twice as long as the distance between each two shells.
But soon thearborescent vegetation almost wholly disappears, and only a few stunted bushes remain, similar to those which, in the Alps, succeed the larch.
The arborescent Flora of the first two regions very nearly approximates to that of our northern countries; it principally consists of Pines, Firs, Oaks, and Arbute Trees.
There is yet another feature, more striking still, and more general than those previously mentioned, which broadly distinguishes the arborescent vegetation of the Tropics from that of northern climates.
The principal obstacle is found in the arborescent plants, which leave not a space uncovered, and this, too, in a country where all vegetables spreading over the soil become ligneous.
There, too, are found the magnificent arborescent ferns, Alsophila Australis and Dicksonia Antarctica.
The Palm-tree is, in Egypt, as in all the oases, the principal element of the arborescent vegetation.
I shall have occasion to speak of the arborescent species which, in this part of the Old Continent, blend in immense and impenetrable forests.
Only the influence of elevation is counterbalanced here by that of climate; whence it results that the arborescent species endure at a far greater height than on our European mountains.
Defn: A mass of crystals, aggregated in arborescent forms, obtained by precipitation of a metal from solution.
The same remark holds good in regard to certain living extra-tropical arborescent ferns, particularly those of New Zealand.
The trees mostly were arborescent laurels I believe, with smooth brown boles which were blotched through their outer cuticle peeling away, much in the manner of that of the plane tree.
When the growth takes place from the skin or mucous membranes, the surface frequently presents numerous and usually arborescent papillæ or villi.
A solid, wedge-shaped mass of a reddish-brown color is present, whose shape is due to the arborescent branching of the terminal arteries.
The nearest approach to the Stylasteridae is perhaps to be found in Ceratella, with its arborescent trophosome formed of anastomosing coenosarcal tubes supported by a thick perisarc and covered by a common ectoderm.
An arborescent fern was found by Forster in New Zealand in 46 degrees, where orchideous plants are parasitical on the trees.
The maples are medium-sized trees, of fairly rapid growth, sometimes form forests, and frequently constitute a large proportion of thearborescent growth.
Williamson, "On the light thrown upon the question of the Growth and Development of the Carboniferous Arborescent Lepidodendra by a study of the details of their Organisation.
Dracaena and Cordyline include arborescent species in which the stem increases in thickness continually by a centrifugal formation of new tissue; an extreme case is afforded by Dracaena Draco, the dragon-tree of Teneriffe.
In South America also arborescent grasses abound in the dense forests of Chiloe, in lat.
Brongniart, to be arborescent ferns; but the discovery of their internal structure, and of their leaves, has since proved that they have no real affinity to ferns.
Here and there, a stray cactus plant, or a solitary stem of the arborescent yucca, raised its hirsute form above the level of the plain.
Its walls were composed of split trunk of the arborescent yucca, set stockade-fashion in the ground; while its roof was a thatch furnished by the long bayonet-shaped loaves of the same gigantic lily.
On the hills it is most observable in arborescent botany.
Within a few hundred feet of the summit we find an arborescent Fern of great magnitude, and a species of Yew is said to occupy a similar range on a contiguous hill.
On the summit of the two highest peaks, arborescent vegetation is evidently stunted, and the trees are of shrubby forms, yet the productions of the plains will here thrive, with the assistance of cultivation.
The arborescent form of vegetation prevails, but attains no considerable height.
Arborescent vegetation here exists in its fullest vigour, to within two or three hundred feet of the summit of the loftiest peaks; and it may be observed, that the forests generally abound in wood of uncommon altitude.
The arborescentvegetation is of much less altitude than that of Prince of Wales's Island.
A soil more than usually barren, supported more stunted forms of arborescent vegetation.
The deciduous trees belong properly to the temperate zones, and constitute, indeed, the most interesting of all arborescent vegetation.
In countries near the equator, many plants which are herbs in our latitude assume arborescent forms.
