The summits of some of the mountains are too high for trees and above belts of dwarf spruce, balsam and birch they are clothed chiefly with sandworts, diapensia, cassiope, rushes, sedges and lichens.
The balsam fir and in the south the red cedar occur in scant quantities; more widely distributed, but growing only under marked local conditions, is the yellow or Alaska cedar, a very hard and durable wood of fine grain and pleasant odour.
They contain the poplar or aspen (Populus tremuloides), balsam poplar (Populus balsamifera), and paper or canoe birch (Betula papyrifera).
They poured balsam on the sepulchre of the saint, washed it with their tears, and covered it with their kisses, in the belief that they were thus assuring themselves of his intercession or testifying their gratitude for his assistance.
Krummholz oil, valued in Germany as an outward application in rheumatism and for bruises and sprains, is distilled from the young branches, and a fragrant white resin that exudes in some quantity from the buds is used for similar purposes and as a perfume, under the name of Hungarian balsam it is sold in the towns of Germany, being probably obtained from the Carpathians.
Some of these are: Jack pine (Pinus Banksiana), Rocky Mountain pine (Pinus flexilis), black pine (Pinus Murrayana), white spruce (Picea alba), black spruce (Picea nigra), Engelman's spruce (Picea Engelmanni), mountain balsam (Abies subalpina), Douglas fir (Pseudotsuga Douglasii), mountain larch (Larix Lyallis).
The true balsam poplar, or tacamahac, P. balsamifera, abundant in most parts of Canada and the northern States, is a tree of rather large growth, often of somewhat fastigiate habit, with round shoots and oblong-ovate sharp-pointed leaves, the base never cordate, the petioles round, and the disk deep glossy green above but somewhat downy below.
The balsam of Mecca is produced in the same way, chiefly in the mountains near the W.
In the Black Mountains, Mitchell (the culminating point of the whole system) attains an altitude of 6711 ft., Balsam Cone, 6645, Black Brothers, 6690, and 6620, and Hallback,6403.
Nobilis) and spruce; and among the broad-leaved varieties the oak, ash, maple, mahoganybirch or mountain mahogany (Cercocarpus ledifolia), aspen, cottonwood and balsam are the most common.