RAW SIENNA • FREE TRANSLATOR.ORG • Definition of Raw sienna

... obconic, plane or depressed, or funnel-shaped, the margin strongly inrolled when young, in age simply incurved, the margin plane or repand and undulate. The color varies from ochre yellow to dull orange, or orange ochraceous, raw sienna, and tawny, in different specimens. It is often brownish at the center. The surface of the pileus is minutely tomentose with silky hairs, especially toward the center, and sometimes smooth toward the margin. The flesh is 3—5 mm. at the center, and thin toward the margin. The gills ...

— Studies of American Fungi. Mushrooms, Edible, Poisonous, etc. • George Francis Atkinson