The pines from the Baltic sea region of northern Europe, which held undisputed place in heavy work during centuries, has now yielded that place to Douglas fir and longleaf pine.
Turpentine operators have not found the working of loblolly pine profitable, and this has relieved it of a drain which has done much to deplete the southern forests of longleaf pine.
This places it a little above longleaf pine in strength and nearly equal to it in stiffness or elasticity.
The persistency with which Georgia is used as a portion of the name of this tree is due to the fact that extensive lumbering of the longleaf forests began in that state.
It yields resin when boxed like the southern longleaf pine.
It is six per cent heavier than longleaf pine, and is not much inferior in strength and elasticity.
Longleaf pine's geographic range is more restricted than that of loblolly and shortleaf, but larger than the range of Cuban pine.
The wood possesses nearly the strength, hardness, and stiffness of longleaf pine, and the trunks are as large.
The sapwood of the latter species greatly exceeds in thickness that of longleaf pine.
Longleaf attains a height of from sixty to ninety feet, but a few trees reach 130.
The sapwood of the three last named is thick, the heartwood small, while in longleaf pine the sap is thin, the heart large, hence the name applied by lumbermen.
Their wood very closely resembles that of the longleaf pine and is often difficult to distinguish from it.
Specifications for paving blocks often require that longleaf pine be 90 per cent heart.
Resin or pitch pockets are of common occurrence in the wood of larch, spruce, fir, and especially of longleaf and other hard pines.
In the case of longleaf pine, dry beams may with safety be loaded permanently to within three-fourths of their elastic limit as determined from ordinary static tests.
A wood of little stiffness and strong cohesion across the grain is difficult to split, while one with great stiffness, such as longleaf pine, is easily split.
The effect varies somewhat with different species, chestnut, for example, becoming more brittle upon drying than do ash, hemlock, and longleaf pine.
Cross section of longleaf pine showing several growth rings with variations in the width of the dark-colored late wood.
Some experiments[28] on very resinouslongleaf pine specimens, however, indicate an increase in strength.
In the early days the American colonists in Virginia tapped the longleaf pine, collected the resin from the bleeding wounds, and boiled it down for pitch and tar.
The shortleaf pine ranks second to the longleaf in importance to the lumber industries of the East and South.
The slender tree equals the longleaf in height and bears its dark green leaves in clusters of twos and threes, scattered on short branches that form a narrow loose head.
Sapling longleaf pines have recently entered the market for Christmas greens in Northern cities.
A large part of the turpentine of commerce has been derived from these coast forests, as well as lumber, which takes its place in the Northern market with the longleaf and the shortleaf.
The longleaf pine is preA"minent in importance in the lumber trade and in the production of naval stores.
Nowadays, all reasonable owners oflongleaf pine have discarded the old-fashioned boxing and installed methods approved by the Department of Forestry.
Unless Federal restriction comes to the rescue, there is little hope of saving this young growth, for nothing can exceed in beauty a three-foot sapling of longleaf pine as a Christmas decoration.
This threatens the renewal of longleaf forests that have fallen to the axe of the lumberman.
These crude beginnings established an industry now known as the "orcharding" of the longleaf pine.
Young trees yield turpentine and pitch, and with the longleaf and the Cuban pine much forest growth has suffered destruction in the production of these commodities.
All southern pines are attacked by the fungus, but only longleaf pine seedlings are seriously damaged.
Longleaf pine cones in Texas and Louisiana have also had over 60 percent cone infestation on occasion.
Hypoderma lethale is probably the most common cause of needle cast on the above hosts, with the exception of longleaf pine.
Pitch and pond pines are moderately susceptible, longleafpine is fairly resistant, and shortleaf pine is highly resistant.
In these areas more resistant species such as longleaf or shortleaf pine should be planted.
It has been reported to completely destroy slash and longleaf pine cone crops in Georgia and along the Gulf Coast from Florida to Texas.
All species of pine within the range of the tip moth except white pine and longleaf pine, are attacked.
He also found numerous Aglaopteryx gemma under signs on longleaf pines in Alabama with occasional specimens of Parcoblatta lata.
All specimens taken from under signs on red oaks and longleaf and shortleaf pines in Georgia and Virginia (Rehn and Hebard, 1916).
The longleaf pine (Pinus palustris) is distinctly the most important of its group.
Johnson considers shortleaf pine as good as longleaf pine of equal weight, and suggests environment as a means of identification.
Longleaf and Cuban pines are seldom separated, while shortleaf and loblolly pines are also mixed.
Longleaf pine usually affords finer structure and more heartwood than Cuban pine.
Similar to those of longleaf pine, from which it is seldom separated.
Nearly thirty names are thus applied to the longleaf pine (Pinus palustris).
A little two-foot longleaf pine, standing erect, with all its long flexible leaves bending outward like a fountain of shining green, is handsomer than any palm of the same size.
The cones of the longleaf pine are narrow and tapering.
In the waste land that the lumbermen have cut over, in the neighbourhood of these longleaf forests, men go in early December, and cut the little trees.
If these little trees that Nature plants are cut as fast as they show themselves above the forest floor, how are the longleaf pine forests to be restored?
The wood of the Cuban pine is not distinguished in the lumber trade, as it is much the same in quality and appearance as longleaf pine.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "longleaf" in a variety of sentences. We hope that you will now be able to make sentences using this word.
