Wildfire swept the hillside, whole kilometers of orange glow in the darkness. Roaring updrafts flung up flakes of glowing ash, reverse cascades of stripped-off leaves and branches. Behind the wall of fire were the twisted, glowing skeletons of weeds grown large as trees, their smoldering trunks thick bundles of woody filaments. They said nothing, stirred to the core by the wonder of it. "Sundog plants," Lindsay said at last.