The silver fir of Canada (A.
The silver fir does not extend over Russia, and the oak does not cross the Urals.
Large quantities of turpentine are extracted from this pine in Sweden and Russia by removing a strip of bark, terminating below in a deep notch cut in the wood, into which the turpentine runs, and from which it is scooped as it accumulates; but the product is not equal to that of the silver fir and other species.
Of the Abies group, the silver fir (A.
The silver fir (Abies sibirica, Pinus pectinata) and the stone-pine (P. Cembra) are quite common; they reach the higher summits, where the last-named is represented by a recumbent species (Cembra pumila).
Cerris and the hop-hornbeam (Ostrya); of the second class the rare Cilician silver fir (Abies cilicica) may be noticed.
The white silver fir (abies coucola) and the silver or red fir (ab.
There are small amounts of sugar pine, yellow pine, red fir and silver fir (Abies grandis and A.
Introduced into Britain at the beginning of the 17th century, the silver fir has become common there as a planted tree, though, like the Norway spruce, it rarely comes up from seed scattered naturally.
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.