Post 24078
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This admirable little tree grows on brushy, sun-beaten slopes, which from their position and the inflammable character of the vegetation are most frequently fire-swept. These grounds it is able to hold against all comers, however big and strong, by saving its seeds until death, when all it has produced are scattered over the bare cleared ground, and a new generation quickly springs out of the ashes. Thus the curious fact that all the trees of extensive groves and belts are of the same age is accounted for, and their slender habit; for the lavish abundance of seed sown at the same time makes a crowded growth, and the seedlings with an even start rush up in a hurried race for light and life.
Only a few of the attenuata and Sabiniana pines are within the boundaries of the park, the former on the side of the Merced Cañon, the latter on the walls of Hetch-Hetchy Valley and in the cañon below it.
The nut-pine (Pinus monophylla) is a small, hardy, contended-looking tree, about fifteen or twenty feet high and a foot in diameter. In its youth the close radiating and aspiring branches form a handsome broad-based pyramid, but when fully grown it becomes round-topped, knotty, and irregular, throwing out crooked divergent limbs like an apple tree. The leaves are pale grayish green, about an inch and a half long, and instead of being divided into clusters they are single, round, sharp-pointed, and rigid like spikes, amid which in the spring the red flowers glow brightly. The cones are only about two inches in length and breadth, but nearly half of their bulk is made up of sweet nuts.