The action of a fire in a lodge-pole forest is varied. If the forest be an old one, even with much rubbish on the ground the heat is not so intense as in a young growth. Where trees are scattered the flames crawl from tree to tree, the needles of which ignite like flash-powder and make beautiful rose-purple flames. At night fires of this kind furnish rare fireworks. Each tree makes a fountain of flame, after which, for a moment, every needle shines like incandescent silver, while exquisite light columns of ashen green smoke float above. The hottest fire I ever experienced was made by the burning of a thirty-eight-year lodge-pole forest. In this forest the poles stood more than thirty feet high, and were about fifteen thousand to an acre. They stood among ma.s.ses of fallen trees, the remains of a spruce forest that had been killed by the same fire which had given this lodge-pole forest a chance to spring up. Several thousand acres were burned, and for a brief time the fire traveled swiftly. I saw it roll blazing over one mountain-side at a speed of more than sixty miles an hour. It was intensely hot, and in a surprisingly short time the flames had burned every log, stump, and tree to ashes. Several hundred acres were swept absolutely bare of trees, living and dead, and the roots too were burned far into the ground.

Several beetles prey upon the lodge-pole, and in some localities the porcupine feeds off its inner bark. It is also made use of by man. The wood is light, not strong, with a straight, rather coa.r.s.e grain. It is of a light yellow to nearly white, or pinkish white, soft, and easily worked. In the West it is extensively used for lumber, fencing, fuel, and log houses, and millions of lodge-pole railroad-ties are annually put to use.

Most lodge-poles grow in crowded ranks, and slow growth is the result, but it is naturally a comparatively rapid grower. In good, moist soil, uncrowded, it rapidly builds upward and outward. I have more than a score of records that show that it has made a quarter of an inch diameter growth annually, together with an upright growth of more than twelve inches, and also several notes which show where trees standing in favorable conditions have made half an inch diameter growth annually. This fact of its rapid growth, together with other valuable characteristics and qualities of the tree, may lead it to be selected by the government for the reforestation of millions of acres of denuded areas in the West. In many places on the Rockies it would, if given a chance, make commercial timber in from thirty to sixty years.

I examined a lodge-pole in the Medicine Bow Mountains that was scarred by fire. It was two hundred and fourteen years of age. It took one hundred and seventy-eight years for it to make five inches of diameter growth. In the one hundred and seventy-eighth ring of annual growth there was a fire-scar, and during the next thirty-six years it put on five more inches of growth. It is probable, therefore, that the fire destroyed the neighboring trees, which had dwarfed and starved it and thus held it in check. I know of scores of cases where lodge-poles grew much more rapidly, though badly fire-scarred, after fires had removed their hampering compet.i.tors.

There are millions of acres of young lodge-pole forests in the West.

They are almost as impenetrable as canebrakes. It would greatly increase the rate of growth if these trees were thinned, but it is probable that this will not be done for many years. Meantime, if these forests be protected from fire, they will be excellent water-conservers. When the snows or the rains fall into the lodge-pole thickets, they are beyond the reach of the extra dry winds. If they are protected, the water-supply of the West will be protected; and if they are destroyed, the winds will evaporate most of the precipitation that falls upon their areas.

I do not know of any tree that better adjusts itself to circ.u.mstances, or that struggles more bravely or successfully. I am hopeful that before many years the school-children of America will be well acquainted with the Lodge-Pole Pine, and I feel that its interesting ways, its struggles, and its importance will, before long, be appreciated and win a larger place in our literature and also in our hearts.

Rocky Mountain Forests

It is stirring to stand at the feet of the Rocky Mountains and look upward and far away over the broken strata that pile and terrace higher and higher, until, at a distance of twenty-five or thirty miles, they stand a shattered and snowy horizon against the blue. The view is an inspiring one from the base, but it gives no idea that this mountain array is a magnificent wild hanging-garden. Across the terraced and verdure-plumed garden the eternal snows send their clear and constant streams, to leap in white cascades between crowning crags and pines. Upon the upper slopes of this garden are many mirrored lakes, ferny, flowery glens, purple forests, and crag-piled meadows.

If any one were to start at the foothills in Colorado, where one of the clear streams comes sweeping out of the mountains to go quietly across the wide, wide plains, and from this starting-place climb to the crest of this terraced land of crags, pines, ferns, and flowers, he would, in so doing, go through many life-zones and see numerous standing and moving life-forms, all struggling, yet seemingly all contented with life and the scenes wherein they live and struggle.

The broad-leaf cottonwood, which has accompanied the streams across the plains, stops at the foothills, and along the river in the foothills the narrow-leaf cottonwood (_Populus angustifolia_) crowds the water's edge, here and there mingling with red-fruited hawthorns and wild plums (_Prunus Americana_). A short distance from the stream the sumac stands brilliant in the autumn, and a little farther away are clumps of greasewood and sagebrush and an occasional spread of juniper. Here and there are some forlorn-looking red cedars and a widely scattered sprinkling of stunted yellow pines (_Pinus scopulorum_).

At an alt.i.tude of six thousand feet the yellow pine acquires true tree dignity and begins to ma.s.s itself into forests. When seen from a distance its appearance suggests the oak. It seems a trifle rigid, appears ready to meet emergencies, has a look of the heroic, and carries more character than any other tree on the Rockies. Though a slender and small-limbed tree in youth, after forty or fifty years it changes slowly and becomes stocky, strong-limbed, and rounded at the top. Lightning, wind, and snow break or distort its upper limbs so that most of these veteran pines show a picturesquely broken top, with a towering dead limb or two among the green ones. Its needles are in bundles of both twos and threes, and they vary from three to eight inches in length. The tree is rich in resin, and a walk through its groves on an autumn day, when the sun shines bright on its clean golden columns and brings out its aroma, is a walk full of contentment and charm. The bark is fluted and blackish-gray in youth, and it breaks up into irregular plates, which on old trees frequently are five inches or more in thickness. This bark gives the tree excellent fire-protection.

The yellow pine is one of the best fire-fighters and lives long. I have seen many of the pines that were from sixty to ninety feet high, with a diameter of from three to five feet. They were aged from two hundred and fifty to six hundred years. Most of the old ones have lived through several fires. I dissected a fallen veteran that grew on the St. Vrain watershed, at an alt.i.tude of eight thousand feet, that was eighty-five feet high and fifty-one inches in diameter five feet from the ground. It showed six hundred and seventy-nine annual rings. During the first three hundred years of its life it averaged an inch of diameter growth every ten years. It had been through many forest fires and showed large fire-scars. One of these it received at the age of three hundred and thirty-nine years. It carried another scar which it received two hundred and sixteen years before its death; another which it received in 1830; and a fourth which it received fourteen years before it blew over in the autumn of 1892. All of these fire-scars were on the same quarter of the tree. All were on that part of the tree which overlooked the down-sloping hillside.

Forest fires, where there is opportunity, sweep up the mountain-side against the lower side of the trees. The lower side is thus often scarred while the opposite side is scarcely injured; but wind blowing down the gulch at the time of each fire may have directed the flames against the lower side of this tree. In many places cl.u.s.ters of young trees were growing close to the lower side of the old trees, and were enabled to grow there by light that came in from the side. It may be that the heat from one of the blazing cl.u.s.ters scarred this old pine; then another young cl.u.s.ter may have grown, to be in time also consumed. But these scars may have resulted, wholly or in part, from other causes.

Yellow pine claims the major portion of the well-drained slopes, except those that are northerly, in the middle mountain-zone up to the lower lodge-pole margin. A few groves are found higher than nine thousand feet. Douglas spruce covers many of the northerly slopes that lie between six thousand and nine thousand feet.

The regularity of tree-distribution over the mountains is to me a never-failing source of interest. Though the various species of trees appear to be growing almost at random, yet each species shows a decided preference for peculiar alt.i.tude, soil, temperature, and moisture conditions. It is an interesting demonstration of tree adaptability to follow a stream which comes out of the west, in the middle mountain-zone, and observe how unlike the trees are which thrive on opposite sides. On the southerly slopes that come down to the water is an open forest of yellow pine, and on the opposite side, the south bank, a dense forest of Douglas spruce. If one be told the alt.i.tude, the slope, and the moisture conditions of a place on the Rockies, he should, if acquainted with the Rockies, be able to name the kinds of trees growing there. Some trees grow only in moist places, others only in dry places, some never below or above a certain alt.i.tude. Indeed, so regular is the tree-distribution over the Rockies that I feel certain, if I were to awaken from a Rip Van Winkle sleep in the forests on the middle or upper slopes of these mountains, I could, after examining a few of the trees around me, tell the points of the compa.s.s, the alt.i.tude above sea-level, and the season of the year.

[Ill.u.s.tration: ASPENS]

At an alt.i.tude of about sixty-five hundred feet cottonwood, which has accompanied the streams from the foothills, begins to be displaced by aspen. The aspen (_Populus tremuloides_) is found growing in groups and groves from this alt.i.tude up to timber-line, usually in the moister places. To me the aspen is almost a cla.s.sic tree, and I have met it in so many places that I regard it almost as an old friend. It probably rivals the juniper in being the most widely distributed tree on the North American continent. It also vies with the lodge-pole pine in quickness of taking possession of burned-over areas. Let a moist place be burned over and the aspen will quickly take possession, and soon establish conditions which will allow conifers to return. This the conifers do, and in a very short time smother the aspens that made it possible for them to start in life. The good nursery work of aspens is restricted pretty closely to damp places.

Besides being a useful tree, the bare-legged little aspen with its restless and childlike ways is a tree that it is good to know. When alone, these little trees seem lonely and sometimes to tremble as though just a little afraid in this big strange world. But generally the aspen is not alone. Usually you find a number of little aspens playing together, with their leaves shaking, jostling, and jumping,--moving all the time. If you go near a group and stop to watch them, they may, for an instant, pause to glance at you, then turn to romp more merrily than before. And they have other childlike ways besides bare legs and activity. On some summer day, if you wish to find these little trees, look for them where you would for your own child,--wading the muddiest place to be found. They like to play in the swamps, and may often be seen in a line alongside a brook with toes in the water, as though looking for the deepest place before wading in.

One day I came across a party of merry little aspens who were in a circle around a grand old pine, as though using the pine for a maypole to dance around. It was in autumn, and each little aspen wore its gayest colors. Some were in gowns of new-made cloth-of-gold. The grizzled old pine, like an old man in the autumn of his life, looked down as though honored and pleased with the happy little ones who seemed so full of joy. I watched them for a time and went on across the mountains; but I have long believed in fairies, so the next day I went back to see this fairyland and found the dear little aspens still shaking their golden leaves, while the old pine stood still in the sunlight.

Along the streams, between the alt.i.tudes of sixty-five hundred and eighty-five hundred feet, one finds the Colorado blue or silver spruce. This tree grows in twos or threes, occasionally forming a small grove. Usually it is found growing near a river or brook, standing closely to a golden-lichened crag, in surroundings which emphasize its beauty of form and color. With its fluffy silver-tipped robe and its garlands of cones it is the handsomest tree on the Rockies. It is the queen of these wild gardens. Beginning at the alt.i.tude where the silver spruce ceases is the beautiful balsam fir (_Abies lasiocarpa_). The balsam fir is generally found in company with the alders or the silver spruce near a brook. It is strikingly symmetrical and often forms a perfect slender cone. The balsam fir and the silver spruce are the evergreen poems of the wild. They get into one's heart like the hollyhock. Several years ago the school-children of Colorado selected by vote a State flower and a State tree. Although more than fifty flowers received votes, two thirds of all the votes went to the Rocky Mountain columbine. When it came to selecting a tree, every vote was cast for the silver spruce.

Edwinia, with its attractive waxy white flowers, and potentilla, with bloom of gold, are shrubs which lend a charm to much of the mountain-section. Black birch and alder trim many of the streams, and the mountain maple is thinly scattered from the foothills to nine thousand feet alt.i.tude. Wild roses are frequently found near the maple, and gooseberry bushes fringe many a brook. Huckleberries flourish on the timbered slopes, and kinnikinick gladdens many a gravelly stretch or slope.

[Ill.u.s.tration: A GROVE OF SILVER SPRUCE]

Between the alt.i.tudes of eight thousand and ten thousand feet there are extensive forests of the indomitable lodge-pole pine. This borders even more extensive forests of Engelmann spruce. Lodge-pole touches timber-line in a few places, and Engelmann spruce climbs up to it in every canon or moist depression. Along with these, at timber-line, are _flexilis_ pine, balsam fir, arctic willow, dwarf black birch, and the restless little aspen. All timber-line trees are dwarfed and most of them distorted. Conditions at timber-line are severe, but the presence, in places, of young trees farthest up the slopes suggests that these severe conditions may be developing hardier trees than any that now are growing on this forest frontier. If this be true, then timber-line on the Rockies is yet to gain a higher limit.

Since the day of "Pike's Peak or bust," fires have swept over more than half of the primeval forest area in Colorado. Some years ago, while making special efforts to prevent forest fires from starting, I endeavored to find out the cause of these fires. I regretfully found that most of them were the result of carelessness, and I also made a note to the effect that there are few worse things to be guilty of than carelessly setting fire to a forest. Most of these forest fires had their origin from camp-fires which the departing campers had left unextinguished. There were sixteen fires in one summer, which I attributed to the following causes: campers, nine; cigar, one; lightning, one; locomotive, one; stockmen, two; sheep-herders, one; and sawmill, one.

Fires have made the Rocky Mountains still more rocky. In many places the fires burn their way to solid rock. In other places the humus, or vegetable mould, is partly consumed by fire, and the remainder is in a short time blown away by wind or washed away by water. Fires often leave only blackened granite rock behind, so that in many places they have not only consumed the forests, but also the food upon which the new forests might have fed. Many areas where splendid forests grew, after being fire-swept, show only barren granite. As some of the granite on the Rockies disintegrates slowly, it will probably require several hundred years for Nature to resoil and reforest some of these fire-scarred places. However, upon thousands of acres of the Rockies millions of young trees are just beginning to grow, and if these trees be protected from fire, a forest will early result.

I never see a little tree bursting from the earth, peeping confidently up among the withered leaves, without wondering how long it will live or what trials or triumphs it will have. I always hope that it will find life worth living, and that it will live long to better and to beautify the earth. I hope it will love the blue sky and the white clouds pa.s.sing by. I trust it will welcome all seasons and ever join merrily in the music, the motion, and the movement of the elemental dance with the winds. I hope it will live with rapture in the flower-opening days of spring and also enjoy the quiet summer rain.

I hope it will be a home for the birds and hear their low, sweet mating-songs. I trust that when comes the golden peace of autumn days, it will be ready with fruited boughs for the life to come. I never fail to hope that if this tree is cut down, it may be used for a flagpole to keep our glorious banner in the blue above, or that it may be built into a cottage where love will abide; or if it must be burnt, that it will blaze on the hearthstone in a home where children play in the firelight on the floor.

In many places the Rockies rise more than three thousand feet above the heights where live the highest struggling trees at timber-line, but these steep alpine slopes are not bare. The rocks are tinted with lichens. In places are miles of gra.s.sy slopes and miniature meadows, covered with coa.r.s.e sedges and bright tender flowers. Among the shrubs the _Betula glandulosa_ is probably commonest, while _Dasiphora fruticosa_ and _Salix chlorophylla_ are next in prominence. Here and there you will see the golden gaillardia, the silver and blue columbines, splendid arrays of sedum, many marsh-marigolds, lungworts, paint-brushes of red and white and yellow green, beds of purple primroses, sprinklings of alpine gentians, many cl.u.s.ters of live-forever, bunches of honey-smelling valerian, with here and there standing the tall stalks of fraseria, or monument-plant. There are hundreds of other varieties of plants, and the region above timber-line holds many treasures that are dear to those who love flowers and who appreciate them especially where cold and snow keep them tiny.

Above timber-line are many bright blossoms that are familiar to us, but dwarfed to small size. One needs to get down and lie upon the ground and search carefully with a magnifying-gla.s.s, or he will overlook many of these brave bright but tiny flowers. Here are blue gentians less than half an inch in height, bell-flowers only a trifle higher, and alpine willows so tiny that their catkins touch the ground. One of the most attractive and beautiful of these alpine flowers is the blue honeysuckle or polemonium, about an inch in height. I have found it on mountain-tops, in its fresh, clear coloring, at an alt.i.tude of fourteen thousand feet, as serene as the sky above it.

A climb up the Rockies will develop a love for nature, strengthen one's appreciation of the beautiful world outdoors, and put one in tune with the Infinite. It will inspire one with the feeling that the Rockies have a rare mountain wealth of their own. They are not to be compared with the Selkirks or the Alps or any other unlike range of mountains. The Rockies are not a type, but an individuality, singularly rich in mountain scenes which stir one's blood and which strengthen and sweeten life.

Besieged by Bears

Two old prospectors, Sullivan and Jason, once took me in for the night, and after supper they related a number of interesting experiences. Among these tales was one of the best bear-stories I have ever heard. The story was told in the graphic, earnest, realistic style so often possessed by those who have lived strong, stirring lives among crags and pines. Although twenty years had gone by, these prospectors still had a vivid recollection of that lively night when they were besieged by three bears, and in recounting the experience they mingled many good word-pictures of bear behavior with their exciting and amusing story. "This happened to us," said Sullivan, "in spite of the fact that we were minding our own business and had never hunted bears."

The siege occurred at their log cabin during the spring of 1884. They were prospecting in Geneva Park, where they had been all winter, driving a tunnel. They were so nearly out of supplies that they could not wait for snowdrifts to melt out of the trail. Provisions must be had, and Sullivan thought that, by allowing twice the usual time, he could make his way down through the drifts and get back to the cabin with them. So one morning, after telling Jason that he would be back the next evening, he took their burro and set off down the mountain.

On the way home next day Sullivan had much difficulty in getting the loaded burro through the snowdrifts, and when within a mile of the cabin, they stuck fast. Sullivan unpacked and rolled the burro out of the snow, and was busily repacking, when the animal's uneasiness made him look round.

[Ill.u.s.tration: OURAY, COLORADO

A typical mining town]

In the edge of the woods, only a short distance away, were three bears, apparently a mother and her two well-grown children. They were sniffing the air eagerly and appeared somewhat excited. The old bear would rise on her hind paws, sniff the air, then drop back to the ground. She kept her nose pointed toward Sullivan, but did not appear to look at him. The smaller bears moved restlessly about; they would walk a few steps in advance, stand erect, draw their fore paws close to their b.r.e.a.s.t.s, and sniff, sniff, sniff the air, upward and in all directions before them. Then they would slowly back up to the old bear. They all seemed very good-natured.

When Sullivan was unpacking the burro, the wrapping had come off two hams which were among the supplies, and the wind had carried the delicious aroma to the bears, who were just out of their winter dens after weeks of fasting. Of course, sugar-cured hams smelled good to them. Sullivan repacked the burro and went on. The bears quietly eyed him for some distance. At a turn in the trail he looked back and saw the bears clawing and smelling the snow on which the provisions had lain while he was getting the burro out of the snowdrift. He went on to the cabin, had supper, and forgot the bears.

The log cabin in which he and Jason lived was a small one; it had a door in the side and a small window in one end. The roof was made of a layer of poles thickly covered with earth. A large shepherd-dog often shared the cabin with the prospectors. He was a playful fellow, and Sullivan often romped with him. Near their cabin were some vacant cabins of other prospectors, who had "gone out for the winter" and were not yet back for summer prospecting.

The evening was mild, and as soon as supper was over Sullivan filled his pipe, opened the door, and sat down on the edge of the bed for a smoke, while Jason washed the dishes. He had taken only a few pulls at his pipe when there was a rattling at the window. Thinking the dog was outside, Sullivan called, "Why don't you go round to the door?" This invitation was followed by a momentary silence, then smash! a piece of sash and fragments of window-gla.s.s flew past Sullivan and rattled on the floor. He jumped to his feet. In the dim candle-light he saw a bear's head coming in through the window. He threw his pipe of burning tobacco into the bear's face and eyes, and then grabbed for some steel drills which lay in the corner on the floor. The earth roof had leaked, and the drills were ice-covered and frozen fast to the floor.

While Sullivan was dislodging the drills, Jason began to bombard the bear vigorously with plates from the table. The bear backed out; she was looking for food, not clean plates. However, the instant she was outside, she accepted Sullivan's invitation and went round to the door! And she came for it with a rush! Both Sullivan and Jason jumped to close the door. They were not quick enough, and instead of one bear there were three! The entire family had accepted the invitation, and all were trying to come in at once!

When Sullivan and Jason threw their weight against the door it slammed against the big bear's nose,--a very sensitive spot. She gave a savage growl. Apparently she blamed the two other bears either for hurting her nose or for being in the way. At any rate, a row started; halfway in the door the bears began to fight; for a few seconds it seemed as if all the bears would roll inside. Sullivan and Jason pushed against the door with all their might, trying to close it. During the struggle the bears rolled outside and the door went shut with a bang. The heavy securing cross-bar was quickly put into place; but not a moment too soon, for an instant later the old bear gave a furious growl and flung herself against the door, making it fairly crack; it seemed as if the door would be broken in. Sullivan and Jason hurriedly knocked their slab bed to pieces and used the slats and heavy sides to prop and strengthen the door. The bears kept surging and clawing at the door, and while the prospectors were spiking the braces against it and giving their entire attention to it, they suddenly felt the cabin shake and heard the logs strain and give. They started back, to see the big bear struggling in the window. Only the smallness of the window had prevented the bear from getting in unnoticed, and surprising them while they were bracing the door. The window was so small that the bear in trying to get in had almost wedged fast. With hind paws on the ground, fore paws on the window-sill, and shoulders against the log over the window, the big bear was in a position to exert all her enormous strength. Her efforts to get in sprung the logs and gave the cabin the shake which warned.

Sullivan grabbed one of the steel drills and dealt the bear a terrible blow on the head. She gave a growl of mingled pain and fury as she freed herself from the window. Outside she backed off growling.

For a little while things were calmer. Sullivan and Jason, drills in hand, stood guard at the window. After some snarling in front of the window the bears went round to the door. They clawed the door a few times and then began to dig under it. "They are tunneling in for us,"

said Sullivan. "They want those hams; but they won't get them."

After a time the bears quit digging and started away, occasionally stopping to look hesitatingly back. It was almost eleven o'clock, and the full moon shone splendidly through the pines. The prospectors hoped that the bears were gone for good. There was an old rifle in the cabin, but there were no cartridges, for Sullivan and Jason never hunted and rarely had occasion to fire a gun. But, fearing that the animals might return, Sullivan concluded to go to one of the vacant cabins for a loaded Winchester which he knew to be there.

As soon as the bears disappeared, he crawled out of the window and looked cautiously around; then he made a run for the vacant cabin.