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Posts Tagged ‘American beech tree’

1-naturally-grafted-maples

Since I live in a forest and work in a forest and spend most of my free time in forests, I see a lot of trees. But I don’t see many like these two. If two trees or parts of trees like limbs or roots of the same species grow close enough together the wind can make them rub against each other, wearing the outer bark away. Once the outer bark wears away and the cambium or inner bark touches, the trees can become naturally grafted together. The process is called inosculation and isn’t as rare as we might think. I see at least a couple of self or naturally grafted trees each year. From what I can tell these two maples had limbs that rubbed together and finally grew together years ago.

2-natural-graft-on-maplws

Trees that are naturally grafted together or conjoined are sometimes called “husband and wife” trees, or “marriage trees.” These two young red maples (Acer rubrum) were in the early stages of becoming grafted; it’s easy to see where they rubbed together. This can happen to most species of trees and can sometimes even happen to two trees of different families, like a red maple and a sugar maple.

Man can also graft trees and has been doing so for as long as anyone can remember. Fruit trees, especially apples, are often grafted. Many other plants like roses and grapes are also grafted onto the stronger rootstock of another in the family.

3-entwined-striped-maples

These young striped maples were entwined but not yet conjoined. Though it looks like there are three trees here there are only two. The ones on the right and left come from one stump and the middle tree comes from a separate stump. Why they grew this way is anyone’s guess but I’d say it’s a fair bet that they will all eventually become one tree. You can see how the bark has puckered on the lower part of the tree on the far right, and that’s a sign that they have been rubbing together.

4-lichens-on-tree

Trees support a lot of life on their limbs and bark, like the many lichens pictured here. Since people see lichens growing on the dead branches of trees they think the lichens killed the branch but lichens simply sit on the bark and take nothing from the tree. They are opportunists that like a lot of sunshine though, and the best place to find the most sunshine is on a branch with no leaves on it.

5-script-lichen

I always like to look at trees like the one in the previous photo because the spots on their bark can turn out to be quite beautiful, like the script lichen pictured here. Script lichen looks just like its name suggests but it is a very ancient script, like long forgotten runes. The dark “script” characters are its fruiting bodies that produce its spores. There are many script lichen species and each seems to prefer a certain species of tree. I think this example is the common script lichen (Graphis scripta) which prefers smooth barked trees like maple and beech.

6-maple-dust-lichen

Other spots on trees might turn out to be beautiful maple dust lichens (Lecanora thysanophora.) I don’t have time to look at every tree with lichens on its bark, but I wish I did because when I don’t look closely I feel as if I’m missing something beautiful.

7-target-canker-on-red-maple

Target canker doesn’t harm the tree but causes its bark to grow in circular patterns of narrow plates which helps protect it from the canker. According to Cornell university: “A fungus invades healthy bark, killing it. During the following growing season, the tree responds with a new layer of bark and undifferentiated wood (callus) to contain the pathogen. However, in the next dormant season the pathogen breaches that barrier and kills additional bark. Over the years, this seasonal alternation of pathogen invasion and host defense response leads to development of a ‘canker’ with concentric ridges of callus tissue—a ‘target canker.’” Apparently the fungal attacker gives up after a while, because as the tree ages the patterns disappear and the tree seems fine.

8-burl-on-maple-2

Burl is an abnormal growth that grows faster than the surrounding tree tissues. Scientists don’t fully understand why it happens but burls are thought to grow on trees that have been weakened by stress or damage.  Once the tree’s defenses have been weakened insects and /or fungi can attack and cause the abnormal growth. Woodworkers make some very beautiful things from burl and prize them highly. I find them more on black cherry than any other tree, but this example was on an old maple. It was as big as a basketball.

9-chaga

Trees of course are very beneficial to mankind in many ways, even medicinally. Chaga fungus (Inonotus obliquus) is a parasitic fungus that grows on birch and other trees. Though many think that the area that looks like burnt charcoal is the fruiting part of the fungus it is actually the “roots” or mycelium. It is black because it contains large amounts of melanin, which is a naturally occurring  dark brown to black pigment in the hair, skin, and iris of the eye in people and animals. It is also responsible for the tanning of skin exposed to sunlight. This fungus has been used medicinally in Russia, China, Korea and Japan for centuries, and it is said to be packed with vitamins and minerals. Recently it has shown promise in cancer research, reducing the size of tumors. In Siberia it is said to be the secret to long life.

10-bootstrap-fungus

Fungal spores entering a wound on a tree can sometimes mean death for the tree. Bootstrap fungus is caused by honey mushrooms (Armillaria mellea), which are parasitic on live wood and send out long root like structures called rhizomorphs between the wood of a tree and its bark. When fresh the rhizomorphs are cream colored but darken to brown or black as they age. The fungus is also called armillaria root rot or shoestring root rot. It causes a white pulpy rot in the wood and kills many species of both soft and hardwood trees.

11-pine-tree-foam

For years I’ve noticed that a soapy foam at the base of certain white pine trees (Pinus strobus) when it rains. Sometimes it is in just a spot or two and at other times it nearly circles the entire tree.  This happens because when there is a drought or dry spell salts, acids and other particles from the air can coat the bark. Soap is essentially made from salts and acids and when it rains, these natural salts and acids mix with the water and begin to froth. The froth (foam) is from the natural agitation of the mixture when it finds its way around bark plates as it flows toward the ground.

12-frost-rib

This hemlock tree had a healed frost crack, called a frost rib. Frost cracks happen when the sun warms the tree during the day and the temperature drops quickly at night. If you’re in or near the woods at night in winter you can often hear the trees splitting and cracking, and sometimes it’s as loud as a rifle shot. Frost cracks can heal in the summer when the tree produces a new layer of inner bark to heal the wound but then can crack again in winter. When this repeated healing and cracking happens over the course of a few years the buildup of new tissue can create a frost rib like that seen in the photo.

13-frost-rib

Another example of a frost rib, this time on yellow birch (Betula alleghaniensis.) Frost cracks and frost ribs are fairly common.

14-bittersweet-on-elm

Many things can damage a tree. This oriental bittersweet vine was about the same diameter as my little finger and was already strangling a young elm that was wrist size. Anyone who has ever tried to cut or split elm knows that it’s one of the toughest woods, so the bittersweet must be very tough indeed. It’s hard to know which will win this battle; I’ve seen trees with bittersweet vine grooves in their bark live on, and I’ve seen live bittersweet vines on dead trees.

15-bittersweet-berries-2

Oriental bittersweet is all about continuation of the species, so it climbs up trees so it can sit in the crown and gather up all the sunlight so it can flower well. Each pollinated flower means a berry that a bird will come along and eat, and that’s how it multiplies. The young vines are shade tolerant, so when a bird sits in a tree and drops a seed to the ground beneath it the plant can germinate and live on while searching for the best path to the light at the top of the tree. Other vines like our native Virginia creeper, grapes and virgin’s bower also seek light at the tops of trees but they aren’t nearly as aggressive and don’t hurt them.

16-fence-in-woods

One of the strangest things I’ve seen in the woods recently is this old piece of fence connected to a tree. It has been there so long the tree has started to grow over it and if it continues the tree will eventually has a substantial piece of fencing embedded in its wood for its lifetime. Trees seem to shrug this kind of thing off and just keep on growing, no matter what the obstacle might be. The process is known as “compartmentalization of decay in trees,” where the tree uses scar tissue to compartmentalize the section with a foreign object in it. They do the same thing when fighting decay.

17-fence-grown-into-tree

Though trees might easily shrug things like this off,  woodcutters don’t. There’s nothing worse than running into a piece of metal with a chainsaw. Not only does it ruin the chain, it’s also very dangerous. Many things have been found in trees, including screws and nails, signs, pipes, fencing, cannonballs, bullets, beer bottles, hammers, hand saws, horse shoes, chains, ropes, stones, and one arborist even found a Chevy Corvette rim.  It seems that a tree will grow around just about anything.

18-zig-zag-scar

Sometimes scars on trees aren’t easy to explain. I’ve shown this zig zag scar on this old hemlock a few times on this blog and the consensus seems to be that it was made by lightning, but I wonder if we aren’t thinking that simply because both lightning and the scar are zig zagged. In any event I don’t suppose we’ll ever know for sure but it’s fun to guess at its origin. It comes directly out of the ground, straight for about half its length, then it zig zags for the other half. Its total length is about 4 feet.

19-zig-zag-scar

This is a close look at the zig zag scar in the previous photo. It doesn’t look like it was made by a boy with a new pocket knife either. If you’ve ever seen anything like it or know what might have caused it there are several of us who would love to hear from you.

20-beech

I can’t understand how someone can walk out of a forest and say they didn’t see anything, but I’ve heard people say it a few times. “For gosh sakes,” I always want to ask, “what about the trees!?” You don’t need to know anything about burls or frost cracks or inosculation or even what kind of tree you’re looking at to just enjoy their astounding beauty. That’s what I spend a lot of my time in the woods doing, and I hope you will too. I’ve put this post together with the thought that it might make your next journey through the woods a little more interesting.

I did not want to think about people. I wanted the trees, the scents and colors, the shifting shadows of the wood, which spoke a language I understood. ~ Patricia A. McKillip

Thanks for stopping in.

 

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1. Yellow Slime Mold

We’ve had some rainy weather here along with enough heat and humidity to get slime molds growing. I think this one might be Physarum polycephalum. This plasmodial slime mold, like many others, moves using cytoplasmic streaming, which is basically a contracting of “muscles” by all of the separate cells until they come together in a single mass. From Mushroom Expert. Com : “Slime mold plasmodium is a mass of glistening vein-like material that creeps across dead leaves, wood, or soil at the rate of as much as an inch per hour, growing and eating.” I think that they are very beautiful things and I always look forward to seeing them after a good summer rain storm.

2. Coral Fungus with Slime Mold

The slime mold had a friend growing nearby on the same log. I think it might be crown coral (Clavicorona pyxidata.) Crown coral branches at right angles like a candelabra and each branch ends in a tiny little crown, just like what is seen here. Black eyed Susans haven’t even blossomed yet so it seems very early to be seeing both slime molds and coral fungi, but there they are. Whether I understand it or not, nature has its way.

3. Brittle Cinder fungus aka Kretzschmaria deusta

Brittle Cinder fungi (Kretzschmaria deusta) in this stage are stunning, in my opinion. I like the powder gray against the bright white. However, since it causes soft rot and will kill a tree, it isn’t something I like to see growing on living, healthy trees. Later on the fruiting bodies will turn into a brittle black crust.

 4. Bug on a Maple Leaf

This crane fly sat still long enough for me to admire its stained glass like wings and get a couple of photos. Many young birds have been raised on these harmless insects that are often mistaken for mosquitos.

5. Gall on Maple Leaf caused by maple bladdergall mite  V. quadripedes 2

I’m colorblind and have a lot of trouble with red and green, but even I could see these bright red galls on this maple leaf. They were the size of the BBs that are used in BB guns and each one sat on a tiny stalk. They were caused by a member of the maple bladder gall mite family called Vasates quadripedes. Galls are unsightly on ornamental trees but they don’t hurt the tree at all.

 6. Beech Seedling with Seed Leaves

Unless you own a nursery or spend a good deal of time in the woods, there’s a good chance that you’ve never seen the seed leaves of an American beech tree (Fagus grandifolia.) Seed leaves are called cotyledons and appear before a plant’s true leaves. If the plant has 2 seed leaves it is called a dicot (dicotyledon), and if only one it is called a monocot (monocotyledon.) The cotyledons are part of the embryo within the seed and contain stored food that the young plant needs to grow. As the food stores are used up the cotyledons might either turn green and photosynthesize, or wither and fall off. That’s the quick botany lesson of the day.  It’s hard to make it any more exciting.

7. Beech Seed Leaves

Seed leaves, as anyone who has ever started vegetables from seed knows, often look nothing like the true leaves.  In the case of American beech they look more like flower petals than leaves and feel tough and leathery. If you know of a beech tree that produces nuts, take a look underneath it in the spring for seedlings that still have their seed leaves. They are a rare sight.

8. Honey Locut Thorn

I once read a story by a Massachusetts man who said he took great delight in running through the forest. Not on a trail-just through the forest-and I shiver a bit when I think of all of the reasons that one shouldn’t do such a thing. One of those reasons is the honey locust (Gleditsia triacanthos.) Its thorns grow from the bark of the branches and trunk and can reach up to 8 inches long. They are also very hard and sharp enough to pierce flesh. Thorns on fallen branches could also puncture some shoe soles, so it’s best to be aware of your surroundings when near this tree. Admire it but don’t meet it accidentally.

 9. Shining Bur Sedge aka Carex intumescens

Many sedges, rushes and grasses are flowering now. This is shining bur sedge (Carex intumescens,) which is also called bladder sedge. The tiny white bits are its flowers. Most sedges like moist soil and I usually find them near ponds and streams. When trying to identify something that looks like grass I always feel the stem first. There is an old saying that says “sedges have edges” because of their triangular stems. Grasses have round stems.

10. Porcupine Sedge

Sedges can also have funny names. This one is (I think) called porcupine sedge (Carex hystericina.)

11. Panicled Bulrush aka Scirpus microcarpus

Every summer for the past three years I’ve tried to get a decent photo of panicled bulrush (Scirpus microcarpus) where it didn’t fade into the background. Finally, by using the flash on a bright day, its panicles of flowers and leaf like bracts stand out from the background cattails and silky dogwoods. This plant has a triangular stem, so it is in the sedge family. It is also called small fruited bulrush. Though they aren’t related and don’t even look very much alike these plants always remind me of papyrus, which reminds me of the pyramids of Egypt and what you could see floating down the Nile. Sometimes the mind wanders as you walk along.

 12. Flowering Orchard Grass

According to the book Grasses: An Identification Guide by Lauren Brown, George Washington loved orchard grass so much so that he wrote “Orchard grass of all others is in my opinion the best mixture with clover; it blooms precisely at the same time, rises quick again after cutting, stands thick, yields well, and both cattle and horses are fond of it green or in hay.” I just like to look at its flowers but it’s nice to know that I’m not the only one who thinks grasses are exciting.

 13. Wool Sower Gall Wap Gall on White Oak

I’ve never seen anything quite like this gall on an oak limb. It was createdd by the wool sower gall wasp (Callirhytis seminator) and was the size of a ping pong ball but felt like a tennis ball. The gall is caused by secretions from the grubs of the gall wasp, which will only build it on white oak and only in spring. There are small seed like structures inside the gall which contain the wasp larva, and that’s why these galls are also called oak seed galls.

14. Royal Fern

Royal fern (Osmunda spectablis v. regalis) is one of the easiest plants in the forest to identify because nothing else looks quite like it. It has a light and airy appearance and is almost always found growing near water. The Osmunda part of the scientific name is believed to come from Osmunder, which is one of the Saxon names for the Norse god Thor. Royal fern is one of the oldest, largest and most beautiful ferns.

15. Ganoderma tsugae on Hemlock

Nature can show the brightest colors in the oddest places and I always wonder why. What benefit can this stalked bracket fungus called hemlock varnish shelf (Ganoderma tsugae) gain from all of that color? Do the colors relate to the minerals it is absorbing from this old hemlock log? And why do the colors change over time?

These are the kinds of questions that come to me as I wander through the woods, even though I don’t really expect to ever find the answers to them. Maybe there are no answers-maybe the colors are there just so we can admire them for a time and feel grateful to be alive in the midst of all of the natural beauty that surrounds us.

One of the hardest lessons we have to learn in this life, and one that many persons never learn, is to see the divine, the celestial, the pure, in the common, the near at hand – to see that heaven lies about us here in this world. ~John Burroughs

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