Sungnam is one of the principal places of Kunawar, dividing with Kanam, which we did not visit, the claim to be the principal seat in the Sutlej valley of the Buddhist religion. It contains numerous temples and monasteries, with also a considerable industrial population. Cultivation occupies a great part of the valley, and extends up the course of the stream to a considerable distance. The level tract along the river has in many places a breadth of nearly a quarter of a mile, and the town occupies a ridge on the mountain side, to which a gently-sloping road leads from the bridge by which we crossed the Ruskalan.
The elevation of Sungnam above the level of the sea is 9000 feet. Still the vine thrives well, the steep slopes facing the river being covered with vineyards: the grapes were not yet ripe. The principal fruit-trees are apricots and apples. Willows and poplars are also frequent in the village; a new species of the latter being for the first time observed, with leaves white and downy underneath, which appears in no way to differ from _Populus alba_, the common white poplar of Europe.
[5] I have carefully compared, since my return to England, a great many specimens of the Himalayan _Picea_, and am sorry to be obliged to dissent from the opinion of their distinctness, which has been expressed by many excellent observers. Great variations occur in length of leaf, which is either green on both sides, or very glaucous below. All have notched leaves, but the notch varies much in depth and form. There are also differences in the form of the cones and the shape of the scales. The long green-leaved state is that of the moist Himalaya; in the driest regions the very short glaucous-leaved form occurs. There are, however, among the specimens collected by Wallich, Strachey, and myself, so many intermediate forms of leaf, that I feel satisfied that all must be considered states of one species, varying, like most _Coniferæ_, with climate and other accidental circumstances.
[6] I have now no doubt that the whole of this descent was over an ancient glacier moraine, but I was not at the time familiar with glaciers or their moraines by personal experience; and though on this and other similar occasions my notes show that I was much puzzled by the numerous transported blocks, the idea of this explanation did not suggest itself to me till I had an opportunity of seeing the connection of such phenomena with actual moraines.