A broth with several slices of a pine mushroom would be served in a lidded bowl or pot, for example, so that the scent of earthy pine with a tinge of cinnamon swirls within the container until it is finally released. "Everyday" matsutake mushrooms can sell for about $30 for a quarter of a pound. Because the native forests don't produce enough matsutakes to fill the demand, Japan imports them from the Pacific Northwest and Korea. Sugiyama serves grilled matsutake with a dipping sauce made ...