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You may have noticed that the painting on this page has a more painterly appearance than Mrs. T's usual watercolor renderings. Though Mrs. T preferred watercolor, occasionally she painted with an oil-based medium, made from the seed of the Sitka valerian plant. She ground her own pigments using raw materials that she gathered in the forest. This painting represents her oil painting technique.
As you might imagine, Mrs. Trowbridge was very nervous sketching a Log Ogre's den in plein air, so she very quickly layed out her subject with her fir needle charcoal stick, then returned to her studio cottage to apply the color. She was able to use her expert knowledge of the forest and its hues to apply the colors from memory.
The fern on top of the nurse log is a deer fern (Blechnum splicant), the white plant to the right of the log is an Indian Pipe (Monotropa uniflora), and the yellow flowers growing in the moss are the Western buttercup (Ranunculus occidentalis).