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Page: of 12
The flowing waters of Rock Creek trickling down the north
slope have provided a perfect environment for a variety of plant
life which in turn provides food and shelter for many animals who
might otherwise have to live somewhere else if Rock Creek didn’t
exist.
3. The loosely branched shrubs or trees with
pale green oval leaves all around this marker are
dogwoods. They grow well in cool, moist places
such as this. They produce a showy flower which
is usually in bloom from May to July. With
autumn the leaves turn pink to rosy red, making
bright color patches among the dark green of
pines and firs.
The tall, straight tree leaning across the stream
is a white alder. The alder has long dangling male
catkins and cone-like female catkins in early
spring before its leaves appear. Indians of northern California made tea from the alders’ bark to
cure stomach aches and produced a brilliant
burnt-orange dye for basket materials by chewing
the inner bark. Early settlers made charcoal and
used it in the preparation of inferior gunpowder.
You will see no display of an autumn color on
alders; the leaves are shed while still green.
4. Notice how these two bigleaf maples have grown together.
As they grew towards the sunlight they twisted around one another. As they became larger and swayed in the wind their bark
was torn off by the friction of rubbing together. During their
healing process to replace the injured bark, they grew together,
preventing any further injury to each other.
5. Only chance or persistent search will reveal
an occasional California yew in the Sierra or elsewhere in California. It usually grows well in
shaded moist areas such as Rock Creek, but is
more common to the pacific northwest. The very
heavy, hard, strong, rose-red wood was used by
Indians to make bows.