|Black cottonwood; mid-size tree, with its mossy earmuffs.|
|Two persistent leaves. Cottonwood.|
|Orange jelly fungus. Looking closely, the surface even has the bumpy texture of an orange peel.|
|Lipstick cladonia on a rotting log|
|And these miniature pumpkin pies are a barnacle lichen, Thelotrema lepadinum.|
The genus name, "Thelotrema" comes from the Greek for "perforated nipple", which accurately describes the immature "barnacles". "Lepadinum" means "like limpets". Someone got their intertidal critters mixed up.
|Red alder, Alnus rubra. With bark barnacles and pencil script lichen.|
|Red alder, moss, and lichens|
|Zooming in. The little branching lines are the fruiting bodies of Pencil script lichen, Graphis scripta.|
The pale patches are the main body of the lichen; it's a crust lichen, making smooth writing surfaces on trees in shady woods.
|The path. Well travelled, wide enough for the occasional vehicle.|
Still round the corner we may meetA sudden tree or standing stoneThat none have seen but we alone.(From JRR Tolkien, "Walking song")