The young plant has a circle of leaves, about six in number, surrounding a bud which is the growing point of the stem, and in many conifers persists as long as the stem grows (Fig.
There are two sub-orders,--the true conifersand the yews.
In most conifersthe symmetrical form of the young tree is maintained as long as the tree lives.
The conifers include some of the most valuable as well as the largest of trees.
It is chiefly in the case of deciduous trees that this could be done; but even in the case of conifers and evergreens some graceful objects might be dotted beneath the outermost points of their lower branches.
Here the trembling aspen particularly, as the commonest form of all is named, comes in to quickly cover and shade the ground, and give aid to the hard woods and the conifers that form the value of the forest growth.
It is of great size, one of the most notable in every way of the giant conifers of the Sierra.
We are now in the foot-hills, and all the conifers are left behind, except the gray Sabine pine.
The island has extensive forests of conifers with an undergrowth of ferns and flowering plants, and bears are numerous.
The silver fir flourishes in a deep loamy soil, and will grow even upon stiff clay, when well drained--a situation in which few conifers will succeed.
The hill has been thickly planted with trees, conifers for the most part, and the view can only be had in peeps and patches.
Many other plants existed then, some of which died out there, and some of which still survive in descendants, particularly among our conifers and ferns.
By some our present conifers and the Cordaitales are both thought to be descendants from a still more ancient group, of which the existence is only conjectured.
So great is the difference between some forms of certain species of Conifers that they have been placed in different genera.
The remarks appended to the table are made by Mr. James Laurie, the gardener, who knows Conifers well.
With regard to the Abies, however--that section of Conifers of which the Spruces may be taken as a type--a state of things prevailed in Scotland which could not be rivalled in England.
Conifers began to fill an undue proportion of space in gardens, and displaced to a large extent the beautiful flower-bearing deciduous vegetation whose seasonable variations give such charm and interest.
Pinus sylvestris aurea, a variety of the Scotch Pine that turns golden in winter but is green at other seasons, and Cupressus macrocarpa lutea are the two best Conifers of their class.
When Conifers are wished for as large trees, the Cedar of Lebanon, Atlantic Cedar, Pinus sylvestris, Pinus Pinaster, or Cupressus lawsoniana are suitable.
Conifers can, however, be used effectively for forming short avenues within the garden itself, especially in the more trimly-kept parts.
If a hedge of these conifers is allowed to become rough and ragged, it is almost impossible to restore it, as it will not, except in special cases, break from the older wood.
In mixed plantations we see Conifers from many climes and all altitudes, all expected to do equally well in perhaps one small space of garden ground.
It may still be premature to state with any degree of assurance what may be the ultimate suitability of many of these Conifers for growth in our islands.
Snow patches increase in size and number as the conifers thin and shrink.
Above the cliffs are low growths of yellowish-green cedar with pinyons and other conifers of darker foliage.
But in the conifers and also in some of the broad-leaved trees, altho they can be discerned with the naked eye on a split radial surface, still they are all very small.
But the far western conifers are remarkable, not only for their variety, but still more for the density of their growth, already mentioned, and for their great size, Fig.
In general it may be said that all seedling conifers require some shade the first two years, while hardwoods in temperate climates, as a rule, do not.
As one goes west, the variety of trees increases and becomes, so far as conifers are concerned, far greater than in the east.
The northern belt of conifers or "North Woods" extended thru northern New England and New York and ran south along the Appalachians.
The cells of conifers are called tracheids, meaning "like tracheae.
This uniformity is what makes the wood of conifers technically valuable.
The conifers with their regular structure shrink less and shrink more evenly than the broad-leaved woods.
But among the Conifers and Cycads our modern flowering plants were beginning to show face tentatively, just like birds and mammals among the great reptiles.
States, but it should be noticed that luxuriant as its conifers are, there is a remarkable poverty in broad-leaved forms, as compared with these eastern forests, and this even in the warmer parts of the west coast.
Where soil conditions are unfavourable we have pine woods, conifers throughout the eastern United States always taking advantage of conditions relatively unfavourable to the broad-leafed trees.
Both at high altitudes and in high latitudes these conifers are often accompanied by birch, which is not a cone-bearing tree, but is very tolerant of cold and wind.
Mingled with the conifers are smaller numbers of the hardier deciduous trees, such as birches, poplars, and willows.
Among the conifers many very good cases of reversions by buds are to be found in gardens and glasshouses.
Numerous other instances of the sudden origin of weeping trees, both of conifers and of others, have been brought together in Korshinsky's paper.
In someconifers the evolution of horizontal branches may be modified by simply turning the buds upside down.
Conifers at sea level in Sibuyan Island, province of Romblon.
Even among Conifers the ovuligerous scales are so closely packed that there is little or no exposure of the ovules.
In many conifers the leaves produced in the young state of the plant are different, both in arrangement and form, from those subsequently developed (see pp.
As Renault well remarks with reference to Cordaites, the existence of this chambered form of pith implies rapid elongation of the stem, so that the Cordaites and conifers of the coal-formation were probably quickly growing trees (Fig.
It is probable, however, that some of the later forms referred to these genera are really Algæ related to Caulerpa, or even branches of Conifers of the genus Brachyphyllum.
They may be regarded as intermediate between those of conifers and cycads, which is indeed the probable position of these remarkable plants.
But the conifers would seem to have had precedence of it for a long time in the Palæozoic, and it replaces in the Mesozoic the Cordaites, which in many respects excelled it in complexity.
The minute structures of their stems are nearer to those of the conifers of the islands of the southern hemisphere than to that of those in our northern climes--a correlation, no doubt, to the equable climate of the period.
The greater part of the cycads of the Mesozoic age would seem to have had short stems and to have constituted the undergrowth of woods in which conifers attained to greater height.
There are also some very interesting and curious facts in connection with the conifers of the Laramie.
Big tree "Wanona," showing the relative size of other coniferscompared with big trees.
The rarer conifers should be planted now and in June, after they have commenced to grow.
All of the nine Nevada conifers mentioned in my last letter are also found in California, excepting only the Rocky Mountain spruce, which I have not observed westward of the Snake Range.
It is widely distributed throughout western Washington, but is never found scattered among the conifers in the dense woods.
The Conifers are not dicotyledons: their seeds contain numerous cotyledons, up to twenty in number, and the whole plant, and especially the reproductive system, belongs to a lower stage of development.
Further, it is now believed that a large part of what were believed to be Conifers, suddenly entering from the unknown, are not Conifers at all, but Cordaites.
Taller than the cycads, firmer in the structure of the wood, and destined to survive in thousands of species when the cycads would be reduced to a hundred, were the pines and yews and other conifers of the Jurassic landscape.
It thus prepares the way for the cycads and conifers and ginkgoes of the Mesozoic, which we may conceive as evolved from one or other branch of the mixed Carboniferous vegetation.
The sequoias (the giant Californian trees) still represent the conifers in great abundance, with the eucalyptus and other plants that are now found only much further south.
They oust the cycads in Europe and America, as the cycads and conifers had ousted the Cryptogams.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "conifers" in a variety of sentences. We hope that you will now be able to make sentences using this word.
