Personal Narrative Of Travels To The Equinoctial Regions Of America During The Years 1799-1804 - Volume 1 - By Alexander Von Humboldt And Aime Bonpland.
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The Leaves Of These Pines Are Very Long And Stiff, And
They Sprout Sometimes By Pairs, But Oftener By Threes In One
Sheath.
Having had no opportunity of examining the fructification,
we cannot say whether this species, which has the appearance of the
Scotch fir, is really different from the eighteen species of pines
with which we are already acquainted in Europe.
M. Decandolle is of
opinion that the pine of Teneriffe is equally distinct from the
Pinus atlantica of the neighbouring mountains of Mogador, and from
the pine of Aleppo,* (* Pinus halepensis. M. Decandolle observes,
that this species, which is not found in Portugal, but grows on the
Mediterranean shores of France, Spain, and Italy, in Asia Minor,
and in Barbary, would be better named Pinus mediterranea. It
composes the principal part of the pine-forests of the south-east
of France, where Gouan and Gerard have confounded it with the Pinus
sylvestris. It comprehends the Pinus halepensis, Mill., Lamb., and
Desfont., and the Pinus maritima, Lamb.) which belongs to the basin
of the Mediterranean, and does not appear to have passed the
Pillars of Hercules. We met with these last pines on the slope of
the Peak, near twelve hundred toises above the level of the sea. In
the Cordilleras of New Spain, under the torrid zone, the Mexican
pines extend to the height of two thousand toises. Notwithstanding
the similarity of structure existing between the different species
of the same genus of plants, each of them requires a certain degree
of temperature and rarity in the ambient air to attain its due
growth.
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